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CXA1726AM/AS
Multiplier IC for Displays
Description The CXA1726AM/AS is a multiplier IC which is used for dynamic convergence, dynamic focus and others in CRT display monitors and projectors. It is used in conjunction with an IC (CXA1470AM/AS) which generates waveforms for deflection compensation. Features Analog multiplier * Maximum input voltage * Maximum output voltage * Frequency response * 4 inputs, 1 output * 2 inputs, 1 output Operational amplifier * Maximum output voltage * Frequency response Analog switch * Maximum output voltage * Frequency response Absolute Maximum Ratings * Supply voltage * Operating temperature * Storage temperature * Allowable power dissipation 30 pin SDIP (Plastic) 30 pin SOP (Plastic)
4ch 1.3V 2.7V (RL = 3.9k) 1.0MHz (-3dB) 2ch 2ch 2ch 3.65V (RL = 1k) 1MHz (-3dB) 1ch
Applications * CRT display monitors * Projectors Structure Bipolar silicon monolithic IC Operating Condition Supply voltage
VCC VEE
5 0.25 -5 0.25
V V
VCC 7 VEE -7 Topr -20 to +75 Tstg -65 to +150 PD (CXA1726AM) 625 (CXA1726AS) 1350
V V C C mW mW
Block Diagram and Pin Configuration (Top View)
IN5Xa 28 IN5Xb 27 IN5Ya 26 IN5Yb 20 IN7Xa 19 IN7Xb 18 IN7Ya 25 OUT5 22 OUT6 30 SW2 23 IN6+ 21 OUT7 24 IN6- IN7Yb mul. IN4Y 14 17 16 VEE GND 15
29
L H
L H
L H
mul.
L H
L H
mul.
OUT3 11
IN3+ 10
mul. OUT1b 5 OUT1a
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
-1-
OUT4 12
OUT2 8
IN4X 13
2
3
VCC 1
4
IN2X 6
IN2Y 7
SW1
IN3- 9
IN1
L H
E94607B7X
CXA1726AM/AS
Pin Description Pin No. 1 Symbol VCC Pin voltage 5V Equivalent circuit Description Positive supply voltage pin.
50A 500 2
2
SW1
2.3V
Control pin of switch unit. The signal input from IN1 is selected for "a" side or "b" side by the SW1 applied voltage. When SW1 is 2V or less, low turns to "a" side; it is 2.6V or more, high turns to "b" side.
50A 500 3
3
IN1
0V
Input pin of switch unit.
100A
4 5
OUT1 a OUT1 b
4 5 2mA
Output pins of switch unit. The pin which is not selected is GND.
500
6 13
IN2 X IN4 X
0V 0V
6 13
Multiplier IN X input pins.
100A
100A
-2-
CXA1726AM/AS
Pin No.
Symbol
Pin voltage
Equivalent circuit
Description
100A
100A
7 14
IN2 Y IN4 Y
0V 0V
7 14
500
Multiplier IN Y input pins.
8 12 21 25
OUT2 OUT4 OUT7 OUT5
0V 0V 0V 0V
56k 8 12 21 25 50A
Multiplier output pins.
9 24 10 23
IN3- IN6- IN3+ IN6+
1k 9 24 50A 10 23
Operational amplifier input pins.
100A
11 22
OUT3 OUT6
11 22
Operational amplifier output pins.
15 16
GND VEE
0V -5V
GND Negative supply voltage pin.
-3-
CXA1726AM/AS
Pin No. 18 20 27 29 17 19 26 28
Symbol IN7 Ya IN7 Xa IN5 Ya IN5 Xa
Pin voltage
Equivalent circuit
Description
50A 500
0V IN7 Yb IN7 Xb IN5 Yb IN5 Xb
17 18 19 20 26 27 28 29
Input pins of multiplier with switch.
50A 500 30 50A
Switch pin to select "a" side or "b" side of multiplier with switch. "a" side 2.0V "b" side 2.6V
30
SW2
50A
50A
Electrical Characteristics Multiplier No. 1 2 3 4 5 6 Item Output offset voltage Scale factor Frequency response Input dynamic range Symbol VO SF GT VIN Conditions X = Y = 0V X = Y = 1V V1 X = -Y = 1V V2 (| V1 | + | V2 |)/2 = SF X = 1V, Y = SG1 Measurement point OUT Min. -110 0.95 -3 Typ. 16 1 -0.5 Max. 110 1.05 1 2.3 2.7 X = Y = 1V X = 1V, Y = SG2 7 Delay time DT
Input Output t 100% 50% 0% Measure "t".
Unit mV -- dB V V A
Output dynamic range VOUT Input bias current IIB X, Y -3
3
Y, OUT
50
125
200
ns
-4-
CXA1726AM/AS
Operational Amplifier No. 8 9 10 11 12 Item Input bias current Voltage gain Symbol IIB AV Conditions IN = 0V Measurement point IN OUT Min. -1 50 Typ. 0.35 80 3.65 Inversed input pin = SG1 Non-inversed input pin = GND IN = 0V -3 -6 -0.15 -2 1.4 +6 Max. 1 Unit A dB V dB mV
Output dynamic range VOUT Frequency response Input offset voltage GT VI
Switch No. 13 14 15 16 17 18 Item Frequency response Symbol GT Conditions IN = SG1 Measurement point OUT SW SW OUT IN = 0V IN = 0V X = 1V, Y = SG2 19 Delay time DT
Input Output t 100% 50% 0% Measure "t".
Min. -3 2.5
Typ. -0.15
Max. 1
Unit dB V
Switch threshold high VSH Switch threshold low Output dynamic range Input bias current Output offset voltage VSL VOUT IIB VO
2.0 3.1 -1 -15 -0.4 -3 1 15
V V A mV
IN OUT
IN, OUT
50
113
200
ns
No. 20 21
Item Current consumption 1 Current consumption 2
Symbol ICC IEE
Conditions
Measurement point A1 A16
Min. 21 -33
Typ. 26 -26
Max. 33 -21
Unit mA mA
-5-
Electrical Characteristics Measurement Circuit
VCC SW2 30 S30 SW1 2 L S29 IN5Xb 28 S28 OUT1a 4 L S27A IN5Yb S26A 25 mul. IN2Y 7 OUT2 8 IN3- 9 IN3+ 10 OUT3 11 OUT4 12 mul. IN4X 13 mul. IN4Y 14 GND 15 16 H 17 IN7Yb S17A VEE
A1G
A1
1 10k IN5Xa 29 1V
5V
10k IN1 3 1V L IN5Ya 27 S27B S27C 1V mul. H
S2
SG1
S3
SG2
3.9k OUT1b 5 26 OUT5 3.9k 24 IN6+ 10k 22 OUT6 1k 21 OUT7 3.9k L H 20 IN7Xa S20 19 IN7Xb S19 18 L IN7Ya S18A S18B 1V 1V IN6- S24 23 5p H IN2X 6 H H L
1V
SG2
3.9k
S26B
S26C 1V
1V
1V
S6
SG2
SG1
-6-
1V
1V
S7C
S7B
S7A
10k 10
10 10k
3.9k
SG1
S9
5p
10k
1k
3.9k
SG2
1V
S13
SG2
S18C S17B
1V
1V
SG2
S14B
S14A
CXA1726AM/AS
1V
1V S14C
S17C 5V
1V
1V
CXA1726AM/AS
Application Circuit
V.SIN 2
C2 0.001 C1 22 R2 10k R4 5.6k GND GND 15 14 13 12 GND 11
R1 22k C3 22 V1 5V
R3 3.3k
GND 10 9 8 7 6 5 4 3 2 1
GND GND
SW1
IN1
A1726AM/AS
OUT1b
OUT1a
OUT4
OUT3
OUT2
IN4 Y
IN4 X
IN2 Y
IN2 X
GND
IN3+
IN3-
IN7 Yb
IN7 Ya
IN7 Xb
IN7 Xa
OUT7
OUT6
OUT5
IN5 Yb
IN5 Ya
IN5 Xb
IN5 Xa
IN6+
VEE
16
17
18
19
20
21
22
23 R5 10k
IN6-
24
25
26
27
28
29
30
C4 22 GND
V2 5V GND R8 5.6k GND R7 5.6k
GND R6 5.6k
C5 5p R9 33k
GND
SW2
C7 47
VCC
0.1
C6 0.047
V3 5V
VDIN
HDIN
GND 14 13 12 11 10 9 8 7
GND 6 5
GND GND 4 3
GND GND 2 1
HSQ
VSQ
VPARA+
VPARA-
VSAW+
VSAW-
A1470AM/AS
HPARA-
HPARA+
HSAW-
HSAW+
VGND
VGEN
VAGC
HBIAS
HAGC
HGND
VCLP
HCLP
HDLY
VREF
VBIAS
IREF
HDIN
VDIN
VSIN
15
16
17
18
19
20
21
22
23
24
25
26
27 R18 51k
28
GND C8 1 GND C9 0.047 GND C10 1 GND R11 2.2k GND C11 0.1 R14 1k R13 8.2k R12 1.5k
V4 5V GND
VEE
VCC
V4
C12 47
GND GND
GND
GND
Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same.
-7-
CXA1726AM/AS
Input Signals
SG1
GND
5Vp-p
f = 1MHz
SG2
3Vp-p
GND f = 200kHz
Description of Operation * Multiplier The input X and Y signals of the multiplier are multiplied and output to the OUT pins. * Operational amplifier This inputs the signals which have been output from the multiplier. Care is required with ringing in the operational amplifier. Placing a 5p capacitor in parallel with the feedback resistor is recommended as a preventive measure. * Switch The signal input from IN1 is selected for "a" side or "b" side by the SW1 applied voltage. When SW1 is 2V or less, low turns to "a" side; it is 2.6V or more, high turns to "b" side. The unselected output pin is connected to GND. For the multipliers with a switch, "a" side or "b" side is selected under the same conditions.
-8-
CXA1726AM/AS
Multiplier frequency response
[dB] 0 Input X = DC 1V Y = 5Vp-p Sine wave X Y mul. OUT
-4
-8
-12
-14 10k 100k 1M 10M [Hz]
Operational amplifier frequency response
[dB] Input 5Vp-p Sine wave 10k -4 IN -8 10k OUT
0
-12
10k
100k
1M
10M
[Hz]
Multiplier gain characteristics
2 OUT [V] 1 Input X = 1V Y = -2 to +2V
-2
-1
0
1
2
-1
-2 Y [V]
-9-
CXA1726AM/AS
Package Outline CXA1726AM
Unit: mm
30PIN SOP(PLASTIC)
+ 0.4 2.3 - 0.15 0.1 16
+ 0.4 18.8 - 0.1 30
10.3 0.4
+ 0.3 7.6 - 0.1
+ 0.2 0.1 - 0.05
(9.3)
15 1 0.45 0.1 1.27 0.2 M + 0.1 0.2 - 0.05
0 to 10
DETAIL A
PACKAGE STRUCTURE
PACKAGE MATERIAL SONY CODE EIAJ CODE JEDEC CODE SOP-30P-L03 SOP030-P-0375 LEAD TREATMENT LEAD MATERIAL PACKAGE MASS EPOXY RESIN SOLDER PLATING COPPER ALLOY 0.7g
CXA1726AS
30PIN SDIP (PLASTIC)
+ 0.4 26.9 - 0.1
30
16
+ 0.3 8.5 - 0.1
+ 0.1 05 0.25 - 0.
1 1.778
15
0.5 MIN
+ 0.4 3.7 - 0.1
10.16
Two kinds of package surface: 1.All mat surface type. 2.All mirror surface type.
0.5 0.1 0.9 0.15
PACKAGE STRUCTURE
MOLDING COMPOUND SONY CODE EIAJ CODE JEDEC CODE SDIP-30P-01 SDIP030-P-0400 LEAD TREATMENT LEAD MATERIAL PACKAGE MASS EPOXY RESIN SOLDER/PALLADIUM PLATING COPPER ALLOY 1.8g
NOTE : PALLADIUM PLATING This product uses S-PdPPF (Sony Spec.-Palladium Pre-Plated Lead Frame). - 10 -
3.0 MIN
0.5 0.2
0 to 15
A

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