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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. 9.00.2 7.00.1 36 25 24 Unit: mm 37 (0.75) 48 13 (0.75) 1 0.50 12 0.200.05 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.) 7.00.1 9.00.2 0.10 M (1.00) 0.10-0.05 +0.10 1.20 max. 0.150.05 (1.0) 0 to 8 0.50.1 I Applications * Gradation power supply source for LCDs 29 GND2 28 VA4 TQFP048-P-0707B 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 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 Gradation Voltage Generating IC for Color TFT-LCD 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 Unit V mA mA mA mA mA mA mA mA mA mA mA mA mA mA mW C C mF F F 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 Gradation Voltage Generating IC for Color TFT-LCD 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 ICC VREF IB 1.19 3.5 Symbol Conditions Min AN8001FHK Typ Max Unit 6 1.27 500 mA V nA 1.23 V 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 3 AN8001FHK Gradation Voltage Generating IC for Color TFT-LCD 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 Gradation Voltage Generating IC for Color TFT-LCD 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 AN8001FHK * 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) 5 AN8001FHK I Technical Data (continued) * Main characteristics (continued) Gradation Voltage Generating IC for Color TFT-LCD 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 Gradation Voltage Generating IC for Color TFT-LCD I Technical Data (continued) * Main characteristics (continued) L1 amp. Gain, Phase Frequency 0 -10 0 -10 AN8001FHK 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 AN8001FHK Gradation Voltage Generating IC for Color TFT-LCD 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 To the reference voltage input pin the source driver LSI. VREF out = 1.23 V x Gradation Voltage Generating IC for Color TFT-LCD 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 AN8001FHK Notes VR0 to VL0 COM0 VREF 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 |
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