View AN8001FHK_296689.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

Gradation Voltage Generating IC for Color TFT-LCD
AN8001FHK
Gradation voltage generation IC for liquid crystal display
I Overview
The AN8001FHK is a gradation voltage generation IC for liquid crystal displays and designed for 64-gradation LCDs. It is incorporating an 1.23 V reference voltage circuit, 10 gradation output buffer amplifier circuits, and a COM amplifier circuit.
36 9.000.20 7.000.10 25
Unit: mm
(0.75)
37
24
I Features
* Incorporating a high precision reference voltage source: 1.23 V (typ.) * Wide dynamic range of buffer amplifiers and it is possible to provide an output from VCC - 0.2 V (the highest stage) to GND + 0.2 V (the lowest stage). * Large COM-amplifier drive current: 100 mA (max.)
48
13
0.50 (0.75)
0.10 M
(1.00)
0.150.05
0.10
Seating plane 0 to 8 0.500.10
I Applications
* Gradation power supply source for LCDs
29 GND2 28 VA4
TQFP048-P-0707B (Lead-free package)
26 VA3
25 VA2
36 VB2
35 VB3
33 VB4
34 N.C.
32 N.C.
31 N.C.
30 N.C.
27 N.C.
I Block Diagram
N.C. 37 VB1 38 VB0 39
L4 R0
24 N.C. 23 VA1 22 VA0 21 N.C.
REF L3 R1
N.C. 40 GND1 41 COM1 42
L2 R2 VREF L1 R3
20 VREF 19 VR 18 VCC1 17 VR0 16 N.C.
COM0 43
COM
COMS 44 N.C. 45
L0
R4
N.C. 46 VL0 47 N.C. 48
1 2 3 4 5 6 7 8 9 N.C. 10 VR4 11 VCC2 VR3 12 VL1 VL2 VL3 N.C. VL4 N.C. N.C. N.C.
15 VR1 14 VR2 13 N.C.
Top View
Publication date: November 2001 SDF00006BEB
0.10+0.10 -0.05
(1.00) 1.20 max.
1
12 0.200.50
7.000.10 9.000.20
1
AN8001FHK
I Absolute Maximum Ratings
Parameter Supply voltage Supply current REF amplifier output source current R0 amplifier output source current R0 amplifier output sink current R1 amplifier output source current R1 amplifier output sink current R/2/3/4, L2/3/4 amplifier output source current R/2/3/4, L2/3/4 amplifier output sink current L1 amplifier output source current L1 amplifier output sink current L0 amplifier output source current L0 amplifier output sink current COM amplifier output source current COM amplifier output sink current Power dissipation Operating ambient temperature*1 Storage temperature*1 Symbol VCC ICC IOsource IO-R0 IO+R0 IO-R1 IO+R1 IO-R2-L2 IO+R2-L2 IO-L1 IO+L1 IO-L0 IO+L0 IO-COM IO+COM PD Topr Tstg COREF COR/L COCOM Rating 14.2 -5 -15 0.1 -15 0.1 -15 15 - 0.05 15 - 0.05 15 -100 100 400*2 220*3 0 to + 70 -55 to + 150 0.47 0.1 10 C C mF F F Unit V mA mA mA mA mA mA mA mA mA mA mA mA mA mA mW
REF amplifier maximum load capacitance R0/1/2/3/4, L4/3/2/1/0 amplifier maximum load capacitance COM amplifier maximum load capacitance
Note) Either current or voltage should not be applied from the outside to any terminals not specified. For the circuit current, (+) is current flowing into the IC and (-) is current flowing out of the IC. Set the input voltage of each amplifier within the range of the output voltage. *1 : All items are at Ta = 25C, except for the operating ambient temperature and storage temperature parameters. *2 : Ta = 25C *3 : Ta = 70C
I Recommended Operating Range
Parameter Supply voltage Symbol VCC Range 7 to 14 Unit V
2
SDF00006BEB
AN8001FHK
I Electrical Characteristics at Ta = 25C
Parameter All device Circuit current Reference voltage Input bias current REF amplifier block Operating upper limit voltage 1 VH1 Discharge current : 2 mA Connect 0.1 F or more for oscillation prevention Discharge current : 3 mA Connect 0.1 F or more for oscillation prevention Connect 0.1 F or more for oscillation prevention VCC - 0.2 V VCC - 0.3 V V ICC VREF IB 1.19 3.5 1.23 6 1.27 500 mA V nA Symbol Conditions Min Typ Max Unit
Operating upper limit voltage 2
VH2
V
Operating lower limit voltage R0 amplifier block Output upper limit voltage 1 Output upper limit voltage 2 Output lower limit voltage Offset voltage R1 amplifier block Output upper limit voltage Output lower limit voltage Offset voltage R2/R3/R4/L2/L3/L4 amplifier block Output upper limit voltage 1 Output lower limit voltage 1 Output upper limit voltage 2 Output lower limit voltage 2 Offset voltage L1 amplifier block Output upper limit voltage Output lower limit voltage Offset voltage
VL
VREF
V
VH,R01 VH,R02 VL,R0 VOFFR0 VH,R1 VL,R1 VOFFR1
Discharge current : 10 mA Discharge current : 15 mA Sink current : 0.1 mA
VCC - 0.2 V VCC - 0.25V

VCC -3 V 10 VCC/2 10 2 1.5 10 0.7 15
V V V mV
Discharge current : 15 mA Sink current : 0.1 mA
VCC - 0.7 V VCC -1.5 V VCC -2 V
V V mV
VH,R2-R4 Discharge current : 15 mA VL,R2-R4 Sink current : 15 mA VH,L2-L4 Discharge current : 15 mA VL,L2-L4 Sink current : 15 mA VOFF234 Discharge current : 50 A Sink current : 15 mA
V V V V mV
VH, L1 VL, L1 VOFFL1
VCC/2
V V mV
SDF00006BEB
3
AN8001FHK
I Electrical Characteristics at Ta = 25C
Parameter L0 amplifier block Output upper limit voltage Output lower limit voltage Offset voltage COM amplifier block Output upper limit voltage Output lower limit voltage Offset voltage VH, COM Discharge current : 100 mA VL, COM Sink current : 100 mA VOFFCOM VCC -2.5 V 2.5 10 V V mV VH, L0 VL, L0 VOFFL0 Discharge current : 50 A Sink current : 15 mA 3 0.2 15 V V mV Symbol Conditions Min Typ Max Unit
* Design reference data
Note) The following characteristics are the reference values for design and not guaranteed values.
Parameter Recovery time REF amplifier block Supply voltage rejection ratio R0 amplifier block Supply voltage rejection ratio R1 amplifier block Supply voltage rejection ratio R2/R3R/4 amplifier block Supply voltage rejection ratio R2/R3R/4 amplifier block Supply voltage rejection ratio L1 amplifier block Supply voltage rejection ratio L0 amplifier block Supply voltage rejection ratio COM amplifier block Supply voltage rejection ratio
Symbol Ri-Time COM
Conditions
Min
Typ
Max 2 -40 -10 -20 -40 -40 -10 -20 -40
Unit S dB dB dB dB dB dB dB dB
PSRRREF f = 10 kHz to 500 kHz 200 mV[p-p], 0.1 Fconnection PSRRR0 f = 10 kHz to 500 kHz 200 mV[p-p], 0.01 Fconnection PSRRR1 f = 10 kHz to 500 kHz 200 mV[p-p], 0.01 F connection PSRRR234 f = 10 kHz to 500 kHz 200 mV[p-p], 0.01 F connection PSRRL234 f = 10 kHz to 500 kHz 200 mV[p-p], 0.01 F connection PSRRL1 f = 10 kHz to 500 kHz 200 mV[p-p], 0.01 F connection PSRRL0 f = 10 kHz to 500 kHz 200 mV[p-p], 0.01 F connection PSRRCOM f = 10 kHz to 500 kHz 200 mV[p-p], 0.1 F connection
4
SDF00006BEB
AN8001FHK
I Technical Data
* Mearsurement circuit for gain and phase characteristics
100 mV[p-p] 68 0.1 F Assumed to drive LCD. DC voltage R0 DC = 9.7 V R1 DC = 9.01 V R2 DC = 7.81 V R3 DC = 7.12 V R4 DC = 6.3 V L4 DC = 4.34 V L3 DC = 3.23 V L2 DC = 2.32 V L1 DC = 980 mV L0 DC = 210 mV
* Main characteristics Power supply current temperature characteristics (ICC Ta)
5
Reference voltage temperature characteristics (VREF Ta)
1.26 1.25
Power supply current (mA)
Reference voltage (V)
4
1.24 1.23 1.22 1.21 1.20 1.19
3
2
1 -25
0
25
50
75
100
1.18 -25
0
25
50
75
100
Ambient temperature (C)
Ambient temperature (C)
R0 amp. Gain, Phase Frequency
0 -10
R1 amp. Gain, Phase Frequency
0 -10
Gain (dB)
-20 -30 -40 0 -45 DC = 9.7 V AC = 100 mV[p-p] VCC = 10.5 V
Gain (dB)
-20 -30 -40 0 -45 DC = 9.01 V AC = 100 mV[p-p] VCC = 10.5 V
Phase ( )
-90 -135 -180 100 1k 10k 100k 1M
Phase ( )
-90 -135 -180 100 1k 10k 100k 1M
Frequency (Hz)
Frequency (Hz)
SDF00006BEB
5
AN8001FHK
I Technical Data (continued)
* Main characteristics (continued) R2 amp. Gain, Phase Frequency
0 -10
0 -10
R3 amp. Gain, Phase Frequency
Gain (dB)
-20 -30 -40 0 -45 DC = 7.81 V AC = 100 mV[p-p] VCC = 10.5 V
Gain (dB)
-20 -30 -40 0 -45 DC = 7.12 V AC = 100 mV[p-p] VCC = 10.5 V
Phase ( )
-90 -135 -180 100 1k 10k 100k 1M
Phase ( )
-90 -135 -180 100 1k 10k 100k 1M
Frequency (Hz)
Frequency (Hz)
R4 amp. Gain, Phase Frequency
0 -10
0 -10
L4 amp. Gain, Phase Frequency
Gain (dB)
Gain (dB)
-20 -30 -40 0 -45 DC = 6.3 V AC = 100 mV[p-p] VCC = 10.5 V
-20 -30 -40 0 -45 DC = 4.34 V AC = 100 mV[p-p] VCC = 10.5 V
Phase ( )
Phase ( )
-90 -135 -180 100 1k 10k 100k 1M
-90 -135 -180 100 1k 10k 100k 1M
Frequency (Hz)
Frequency (Hz)
L3 amp. Gain, Phase Frequency
0 -10
L2 amp. Gain, Phase Frequency
0 -10
Gain (dB)
-20 -30 -40 0 -45
Gain (dB) Phase ( )
DC = 3.23 V AC = 100 mV[p-p] VCC = 10.5 V
-20 -30 -40 0 -45 -90 -135 -180 DC = 2.32 V AC = 100 mV[p-p] VCC = 10.5 V
Phase ( )
-90 -135 -180 100
1k
10k
100k
1M
100
1k
10k
100k
1M
Frequency (Hz)
Frequency (Hz)
6
SDF00006BEB
AN8001FHK
I Technical Data (continued)
* Main characteristics (continued) L1 amp. Gain, Phase Frequency
0 -10
0 -10
L0 amp. Gain, Phase Frequency
Gain (dB)
Gain (dB) Phase ( )
-20 -30 -40 0 -45
-20 -30 -40 0 -45 -90 -135 -180 DC = 210 mV AC = 50 mV[p-p] VCC = 10.5 V
Phase ( )
-90 -135 -180 100 DC = 980 mV AC = 50 mV[p-p] VCC = 10.5 V
1k
10k
100k
1M
100
1k
10k
100k
1M
Frequency (Hz)
Frequency (Hz)
I Application Circuit Example
* System configuration example COM amplifier
10
source driver
VR0 VR1 VR2
AN8001FHK
VL2 VL1 VL0
Liquid crystal panel
Display data
H, V, CLK Data Display controller
Control signal
Control signal
Gate driver
7
SDF00006BEB
AN8001FHK
18 V CC1 9V CC2
I Application Circuit Example (continued)
* Application circuit example
VREF out
Current 2 Current 1
20 19 VR
R1 R2
1.23 V
R 1 + R2 (This voltage never exceeds VCC .) R1
Set the sam of current 1 and current 2 so as to be 5 mA or less.
22 VA0 OPA0
VR0
17
23 VA1 OPA1 25 VA2 OPA2 26 VA3 OPA3 28 VA4 OPA4 33 VB4 OPB4
VR1
15
VR2
14
VR3
12
VR4 11
VL4
5
35 VB3 OPB3 36 VB2 OPB2 38 VB1 OPB1 39 VB0 OPB0
VL3
4
VL2
2
VL1
1
VL0 47 COMS 44
42 COMI
GND1 41 GND2 29
COMO 43 OPCOM
8
SDF00006BEB
To the reference voltage input pin the source driver LSI.
VREF out = 1.23 V x
AN8001FHK
I Application Circuit Example (continued)

Parameter Supply voltage Load capacitance Symbol VCC CLOAD Ratings 10.5 0.01 0.1 to 1 0.1 Unit V F F F VR0 to VL0 COM0 VREF Notes
SDF00006BEB
9
Request for your special attention and precautions in using the technical information and semiconductors described in this material
(1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: * Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. * Any applications other than the standard applications intended. (4) The products and product specifications described in this material are subject to change without notice for reasons of modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the guaranteed values, in particular those of maximum rating, the range of operating power supply voltage and heat radiation characteristics. Otherwise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, redundant design is recommended, so that such equipment may not violate relevant laws or regulations because of the function of our products. (6) When using products for which dry packing is required, observe the conditions (including shelf life and after-unpacking standby time) agreed upon when specification sheets are individually exchanged. (7) No part of this material may be reprinted or reproduced by any means without written permission from our company.
Please read the following notes before using the datasheets
A. These materials are intended as a reference to assist customers with the selection of Panasonic semiconductor products best suited to their applications. Due to modification or other reasons, any information contained in this material, such as available product types, technical data, and so on, is subject to change without notice. Customers are advised to contact our semiconductor sales office and obtain the latest information before starting precise technical research and/or purchasing activities. B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may appear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited.
2001 MAR

▲Up To Search▲

Price & Availability of AN8001FHK

	To Download AN8001FHK Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .