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hmi series amplified pressure sensors 1/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com features 100 mbar to 10 bar, 1 to 150 psi gage or differential pressure increased media compatibility 1 digital i2c bus output precision asic signal conditioning calibrated and temperature compensated 2 sil and dip housings rohs compliant quality management system according to iso 13485:2003 and iso 9001:2008 electrical connection 1 3 8 2 hmi 100 nf 100 nf 5 sda scl gnd +v s c media compatibility 1,2 high pressure port: to be used with gases and liquids which are compatible with the wetted materials (high temperature polyamide, ceramic al 2 o 3 , epoxy, fluorosilicone, glass, silicon). low pressure port: to be used with non-corrosive, non-ionic working fluids such as clean dry air, dry gases and the like. dip versions 1 3 4 2 hmi 100 nf sda scl gnd +v s sil versions specifications maximum ratings supply voltage v s hmi...3 2.7 ... 4.2 v dc hmi...5 4.2 ... 5.5 v dc max. 6.5 v dc output current sink 1 ma source 1 ma environmental temperature ranges compensated -20 ... +85 c operating -20 ... +85 c storage 3 -40 ... +125 c humidity limits (non-condensing) ...95 %rh 10 (100 % condensing or direct liquid media on high pressure port 1 ) vibration max. 10 g, 10...2000 hz, random (en 60068-2-64) mechanical shock max. 50 g, 11 ms (en 60068-2-27) lead solder temperature max. 270 c (jesd22-b106d)
hmi series amplified pressure sensors 2/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com performance characteristics 2 (t a =25 c, rh=50 %, for hmi...3 devices (v s =3.0 v dc ) digital output signal is non-ratiometric to v s in the range of v s =2.7...4.2 v, for hmi...5 devices (v s =5.0 v dc ) digital output signal is non-ratiometric to v s in the range of v s =4.2...5.5 v) s c i t s i r e t c a r a h c. n i m. p y t. x a ms t i n u t e s f f o e r u s s e r p o r e z5 9 0 6 10 0 5 6 15 0 9 6 1 s t n u o c ) s s f ( n a p s e l a c s l l u f 5 0 0 0 7 2 t u p t u oe r u s s e r p d e i f i c e p s . x a m t a5 9 5 9 20 0 0 0 35 0 4 0 3 e r u s s e r p d e i f i c e p s . n i m t a5 9 5 20 0 0 35 0 4 3 all hmi...u... (unidirectional devices) all hmi...b... (bidirectional devices) s c i t s i r e t c a r a h c. n i m. p y t. x a ms t i n u t e s f f o e r u s s e r p o r e z5 9 5 20 0 0 35 0 4 3 s t n u o c ) s s f ( n a p s e l a c s l l u f 5 0 0 0 7 2 t u p t u o e l a c s l l u f5 9 5 9 20 0 0 0 35 0 4 0 3 . o n t r a pe r u s s e r p g n i t a r e p oe r u s s e r p f o o r p 4 . . . u 0 0 1 m i m hr a b m 0 0 1 . . . 0r a b 2 . . . b 0 0 1 m i m hr a b m 0 0 1 . . . 0r a b 2 . . . u 0 5 2 m i m hr a b m 0 5 2 . . . 0r a b 2 . . . b 0 5 2 m i m hr a b m 0 5 2 . . . 0r a b 2 . . . u 1 0 0 b i m hr a b 1 . . . 0r a b 5 . . . b 1 0 0 b i m hr a b 1 . . . 0r a b 5 . . . u 5 x 2 b i m hr a b 5 . 2 . . . 0r a b 0 1 . . . u 5 0 0 b i m hr a b 5 . . . 0r a b 4 1 . . . u 0 1 0 b i m hr a b 0 1 . . . 0r a b 4 1 . . . u 1 0 0 p i m hi s p 1 . . . 0i s p 0 3 . . . b 1 0 0 p i m hi s p 1 . . . 0i s p 0 3 . . . u 0 0 1 p i m hi s p 0 0 1 . . . 0i s p 0 0 2 other pressure ranges (e.g. 500 mbar, 5 psi, 150 psi) are available on request. please contact first sensor. pressure sensor characteristics (t a =25 c, rh=50 %) s c i t s i r e t c a r a h c. n i m. p y t. x a ms t i n u y t i r a e n i l - n o n) c 5 8 . . . 0 2 - ( 6 5 2 . 0 s s f % y c a r u c c a 7 5 2 . 0 ) c 5 8 . . . 0 2 - ( y c a r u c c a l a t o t 8 5 . 1 y a l e d e s n o p s e r 9 5 . 0s m n o i t u l o s e r d / a 2 1t i b n o i t p m u s n o c t n e r r u c3 . . . i m h5 . 4 a m 5 . . . i m h3 . 5
hmi series amplified pressure sensors 3/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com i2c bus introduction the hmi is capable to generate a digital output signal. the device runs a cyclic program, which will store a corrected pressure value with 12 bit resolution about every 250 s within the output registers of the internal asic. in order to use the sensor for digital signal readout, it should be connected to a bidirectional i2c-bus. according to the i2c-bus specification, the bus is controlled by a master device, which generates the clock signal, controls the bus access and generates start and stop conditions. the hmi is designed to work as a slave, hence it will only respond to requests from a master device. digital i2c interface the hmi complies with the following protocol (fig. 1): bus not busy : during idle periods both data line (sda) and clock line (scl) remain high. start condition (s) : high to low transition of sda line while clock (scl) is high is interpreted as start con- dition. start conditions are always generated by the master. each initial request for a pressure value has to begin with a start condition. stop condition (p) : low to high transition of sda line while clock (scl) is high determines stop condition. stop conditions are always generated by the master. more than one request for the current pressure value can be trans- mitted without generation of intermediate stop condition. data valid (d) : state of data line represents valid data when, after start condition, data line is stable for duration of high period of clock signal. data on line must be changed during low period of clock signal. there is one clock pulse per bit of data. acknowledge (a) : data is transferred in pieces of 8 bits (1 byte) on serial bus, msb first. after each byte receiving device ? whether master or slave ? is obliged to pull data line low as acknowledge for reception of data. master must generate an extra clock pulse for this pur- pose. when acknowledge is missed, slave transmitter becomes inactive. it is on master either to send last com- mand again or to generate stop condition in that case. slave address : the i2c-bus master-slave concept requires a unique address for each device. the hmi has a preconfigured slave address (1111000xb). by factory programming it is possible to define a secondary slave address additional to the general one. according to i2c specification 127 different addresses are available. the sensor will then listen to both slave addresses. after generating a start condition the master sends the address byte containing a 7 bit address followed by a data direction bit (r/w). a "0" indicates a transmission from master to slave (write), a "1" indicates a data request (read). data operation : the sensor starts to send 2 data bytes containing the current pressure value as a 15 bit information placed in the output registers. sda scl start condition data valid data allowed to change stop condition r/w read out of first pressure value read out of n pressure values (optional) s data byte 1 a data byte 2 slave address a 1 a p data byte 1 generated by master generated by slave s = start condition a = acknowledge p = stop condition data byte 1 = high byte (msb first) data byte 2 = low byte (lsb last) fig. 1: i2c bus protocol
hmi series amplified pressure sensors 4/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com i2c interface parameters r e t e m a r a pl o b m y s. n i m. p y t. x a mt i n u l e v e l h g i h t u p n i 0 90 0 1 s v f o % l e v e l w o l t u p n i 00 1 l e v e l w o l t u p t u o 0 1 r o t s i s e r p u - l l u p 15k ? a d s @ e c n a t i c a p a c d a o l c a d s 0 0 4 f p l c s / a d s @ e c n a t i c a p a c t u p n i c n i _ c 2 i 0 1 y c n e u q e r f k c o l c l c s f l c s * 0 0 10 0 4z h k n o i t i d n o c t r a t s d n a p o t s n e e w t e b e m i t e e r f s u b t f u b 3 . 1 s , n o i t i d n o c t r a t s ) d e t a e p e r ( e m i t d l o he s l u p k c o l c t s r i f o t t a t s . d h 8 . 0 l c s f o d o i r e p w o l t w o l 3 . 1 l c s f o d o i r e p h g i h t h g i h 6 . 0 n o i t i d n o c t r a t s d e t a e p e r e m i t p u t e s t a t s . u s 1 e m i t d l o h a t a d t t a d . d h 0 e m i t p u t e s a t a d t t a d . u s 2 . 0 l c s d n a a d s h t o b f o e m i t e s i r t r 3 . 0 l c s d n a a d s h t o b f o e m i t l l a f t f 3 . 0 n o i t i d n o c p o t s r o f e m i t p u t e s t o t s . u s 6 . 0 t hd;sta t su;dat t hd;dat t su;sta t r t f scl sda t high t low t su;sto t buf t hd;sta sda scl note: first sensor recommends communication speeds of at least 100 khz (max. 400 khz). please contact us for further information. * recommended fig. 2: timing characteristics
hmi series amplified pressure sensors 5/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com physical dimensions and electrical connection hmi...u1... (sil, axial no ports) dimensions in mm first angle projection high pressure 234 1 n i p n o i t c e n n o c 1s v + 2d n g 3l c s 4a d s
hmi series amplified pressure sensors 6/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com physical dimensions and electrical connection (cont.) dimensions in mm first angle projection hmi...w1... (dip, axial no ports) * internal connection. do not connect for any reason 2 3 4 7 6 5 8 1 high pressure n i p n o i t c e n n o c 1s v + 2d n g 3c 4* c / i 5l c s 6* c / i 7* c / i 8a d s
hmi series amplified pressure sensors 7/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com dimensions in mm physical dimensions and electrical connection (cont.) first angle projection hmi...u7... (sil, 2 ports axial opposite side, barbed) high pressure port 234 1 n i p n o i t c e n n o c 1s v + 2d n g 3l c s 4a d s
hmi series amplified pressure sensors 8/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com hmi...x7... (sil, 1 port axial, barbed) physical dimensions and electrical connection (cont.) dimensions in mm first angle projection 23 4 1 high pressure port n i p n o i t c e n n o c 1s v + 2d n g 3l c s 4a d s
hmi series amplified pressure sensors 9/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com hmi...z7... (dip, 1 port axial, barbed) dimensions in mm physical dimensions and electrical connection (cont.) first angle projection * internal connection. do not connect for any reason 2 3 4 7 6 5 8 1 high pressure port n i p n o i t c e n n o c 1s v + 2d n g 3c 4* c / i 5l c s 6* c / i 7* c / i 8a d s
hmi series amplified pressure sensors 10/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com physical dimensions and electrical connection (cont.) hmi...u6... (sil, 2 ports axial opposite side, straight big) dimensions in mm first angle projection high pressure port 234 1 n i p n o i t c e n n o c 1s v + 2d n g 3l c s 4a d s
hmi series amplified pressure sensors 11/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com hmi...x6... (sil, 1 port axial, straight big) physical dimensions and electrical connection (cont.) dimensions in mm first angle projection 23 4 1 high pressure port n i p n o i t c e n n o c 1s v + 2d n g 3l c s 4a d s
hmi series amplified pressure sensors 12/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com hmi...z6... (dip, 1 port axial, straight big) physical dimensions and electrical connection (cont.) dimensions in mm first angle projection 2 3 4 7 6 5 8 1 high pressure port * internal connection. do not connect for any reason n i p n o i t c e n n o c 1s v + 2d n g 3c 4* c / i 5l c s 6* c / i 7* c / i 8a d s
hmi series amplified pressure sensors 13/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com physical dimensions and electrical connection (cont.) hmi...u5... (sil, 2 ports axial opposite side, needle big) dimensions in mm first angle projection high pressure port 234 1 n i p n o i t c e n n o c 1s v + 2d n g 3l c s 4a d s
hmi series amplified pressure sensors 14/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com hmi...x5... (sil, 1 port axial, needle big) physical dimensions and electrical connection (cont.) dimensions in mm first angle projection high pressure port 23 4 1 n i p n o i t c e n n o c 1s v + 2d n g 3l c s 4a d s
hmi series amplified pressure sensors 15/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com hmi...z5... (dip, 1 port axial, needle big) physical dimensions and electrical connection (cont.) dimensions in mm high pressure port 2 3 4 7 6 5 8 1 * internal connection. do not connect for any reason n i p n o i t c e n n o c 1s v + 2d n g 3c 4* c / i 5l c s 6* c / i 7* c / i 8a d s
hmi series amplified pressure sensors 16/16 e / 11802 / b www.first-sensor.com www.sensortechnics.com nomenclature specification notes: 1. all wetted materials are selected to give a high level of media compatibility. media compatibility refers to media inside the pressure port and lid. improved media compatibility on high pressure port (backward side of sensor chip) since media has no contact to electronic components. nevertheless tests with the media used in the specific application are recommended. 2. sensor is calibrated in air, changes in sensor behaviour based on physical effects caused by the specific media can occur. weight of the media and wetting forces can influence the sensor characteristics. 3. storage temperature of the sensor without package. 4. proof pressure is the maximum pressure which may be applied without causing durable shifts of the electrical parameters of the sensing element. 5. full scale span (fss) is the algebraic difference between the output signal for the highest and lowest specified pressure. 6. non-linearity is the measured deviation based on best fit straight line (bfsl). 7. accuracy is the combined error from non-linearity and hysteresis. hysteresis is the maximum output difference at any point within the operating pressure range for increasing and decreasing pressure. 8. total accuracy is the combined error from offset and span calibration, non-linearity, pressure hysteresis, and temperature effects. calibration errors include the deviation of offset and full scale from nominal values. 9. max. delay time between pressure change at the pressure die and signal change at the output. 10. tested 1h, up to 85 c. sensors are electronic components and should be handled only in esd save environments. s e i r e s e g n a r e r u s s e r p n o i t a r b i l a c g n i s u o h g n i t r o p e d a r g e g a t l o v s n o i t p oi m h 0 0 1 m r a b m 0 0 1 b l a n o i t c e r i d i b u l a i x a s t r o p 2 , l i s e d i s e t i s o p p o ) 1 ( t r o p o n h h g i h ) 3 ( v 3 0 5 2 m r a b m 0 5 2 u l a n o i t c e r i d i n u 7 d e b r a b 5 v 5 1 0 0 b r a b 1 ) w ( l a i x a s t r o p 2 , p i d e d i s e t i s o p p o ) 5 ( g i b e l d e e n 5 x 2 b r a b 5 . 2 ) 6 ( g i b t h g i a r t s 5 0 0 b r a b 5 x l a i x a t r o p 1 , l i s 0 1 0 b r a b 0 1 z l a i x a t r o p 1 , p i d 1 0 0 p i s p 1 0 0 1 p i s p 0 0 1 . t s e u q e r n o e l b a l i a v a ) (. r o s n e s t s r i f t c a t n o c e s a e l p : e l p m a x e i m h 0 0 1 m u u 7 h 5 label information t i g i d1234 5 6 7 8 90 11 12 13 1 4 1 s e i r e s e g n a r e r u s s e r p / t i n u e r u s s e r p / e d o m e r u s s e r p n o i t a r b i l a c g n i s u o h g n i t r o p / e d a r g e g a t l o v e d o c n o i t c u d o r p r a h cmi- i m h 6 i s p 1 u , r a b , l a i t n e r e f f i d / e g a g l a n o i t c e r i d i n u u , l i s l a i x a s t r o p 2 e d i s e t i s o p p o 1 t r o p o n - v 5 , h g i h 7 r a b m 0 0 1 7 d e b r a b / v 3 , h g i h 8 r a b m 0 5 2 b , r a b , l a i t n e r e f f i d / e g a g l a n o i t c e r i d i b w , p i d l a i x a s t r o p 2 e d i s e t i s o p p o 5 g i b e l d e e n a r a b 1 6 g i b t h g i a r t s b r a b 5 . 2 x , l i s l a i x a , t r o p 1 c r a b 5 l i s p 0 0 1 z , p i d l a i x a t r o p 1 m r a b 0 1 first sensor reserves the right to make changes to any products herein. first sensor does not assume any liability arising out of the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others.

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