RT9146ZQW

RT9146/7 20V, 1A, Rail-to-Rail Operational Amplifier General Description Features zz z zz Rail-to-Rail Output Swing The RT9146/7 consists of a low power, high slew rate, zz z zz Supply Voltage : 6V to 20V single supply rail-to-rail input and output operational zz z zz Peak Output Current : 1A amplifier. zz z zz High Slew Rate : 35V/s The RT9146 contains a single amplifier and the RT9147 zz z zz Unity Gain Stable contains two amplifiers in one package. zz z zz RoHS Compliant and Halogen Free The RT9146/7 has a high slew rate (35V/s), 1A peak output current and offset voltage below 15mV. The RT9146/ Applications 7 is ideal for Thin Film Transistor Liquid Crystal Displays z TFT-LCD Panels (TFT-LCD) . z Notebook Computers The RT9146 is available in the WDFN-8L 3x3 package, z Monitors and the RT9147 is available in the WQFN-16L 4x4 z LCD TVs package. The RT9146/7 are specified for operation over Pin Configurations the full 40C to 85C temperature range. (TOP VIEW) Ordering Information NC 1 8 NC RT9146 2 7 VIN- VS+ 3 6 VIN+ VOUT Package Type 4 9 5 NC VS- QW : WDFN-8L 3x3 QWA : WDFN-8SL 3x3 WDFN-8L 3x3 / WDFN-8SL 3x3 Lead Plating System RT9146 Z : ECO (Ecological Element with Halogen Free and Pb free) RT9147 Package Type 16 15 14 13 QW : WQFN-16L 4x4 NC 1 12 VINB- Lead Plating System 2 11 NC VINB+ Z : ECO (Ecological Element with VS- VS+ 3 10 VS- Halogen Free and Pb free) 17 Note : 4 9 NC VINA+ Richtek products are : 56 7 8 RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. WQFN-16L 4x4 RT9147 Marking Information RT9146ZQW RT9146ZQWA RT9147ZQW 85 : Product Code 2W : Product Code 43 : Product Code YMDNN : Date Code YMDNN : Date Code YMDNN : Date Code 85 YM 2W YM 43 YM DNN DNN DNN Copyright 2013 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. DS9146/7-03 May 2013 www.richtek.com 1 NC NC NC NC VS- VOUTA VOUTB VINA- NCRT9146/7 Typical Application Circuit VS+ VS+ VINx+ R * S + VOUTx - TFT-LCD VINx- Capacitance VS- * : R may be needed for some applications. S Functional Pin Description RT9146 Pin No. Pin Name Pin Function WDFN-8L WDFN-8SL 3x3 3x3 1, 5, 8 NC No Internal Connection. 2 VIN Negative Input. 3 VIN+ Positive Input. 4, Negative Supply Input. The exposed pad must be soldered to a large PCB VS 9 (Exposed Pad) and connected to VS for maximum power dissipation. 6 VOUT Output. Positive Supply Input. Bypass VS+ to VS with a 0.1F capacitor placed as 7 VS+ close as possible to the device. RT9147 Pin No. Pin Name Pin Function 1, 2, 4, 5, 6, 13, 15, 16 NC No Internal Connection. Positive Supply Input. Bypass VS+ to VS with a 0.1F capacitor placed as 3 VS+ close as possible to the device. 7 VOUTA Output of Amplifier A. 8 VINA Positive Input of Amplifier A. 9 VINA+ Negative Input of Amplifier A. 10, Negative Supply Input. The exposed pad must be soldered to a large PCB VS 17 (Exposed Pad) and connected to VS for maximum power dissipation. 11 VINB+ Positive Input of Amplifier B. 12 VINB Negative Input of Amplifier B. 14 VOUTB Output of Amplifier B. Copyright 2013 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. www.richtek.com DS9146/7-03 May 2013 2