Datasheet Operational Amplifiers Ground Sense Low Voltage Operation CMOS Operational Amplifiers BU7441G BU7441SG BU7442xxx BU7442Sxxx BU7444F BU7444SF General Description Key Specifications BU7441G/BU7442xxx/BU7444F are input ground sense, output full swing CMOS operational Operating Supply Voltage: +1.7V to +5.5V amplifiers. BU7441SG/BU7442Sxxx/BU7444SF Supply Current: 50A/ch (Typ) have an expanded operating temperature range. Temperature Range: They have the features of low operating supply BU7441G/BU7442xxx/BU7444F -40C to +85C voltage, low supply current and low input bias BU7441SG/BU7442Sxxx/BU7444SF current. They are suitable for portable equipment and sensor amplifiers. jj-40C to +105C Input Offset Current: 1pA (Typ) Features Input Bias Current: 1pA (Typ) Low Supply Current Low Operating Supply Voltage Packages Wide Temperature Range W(Typ) x D(Typ) x H(Max) Low Input Bias Current SSOP5 2.90mm x 2.80mm x 1.15mm SOP8 5.00mm x 6.20mm x 1.61mm Applications MSOP8 2.90mm x 4.00mm x 0.83mm VSON008X2030 2.00mm x 1.50mm x 0.60mm Sensor Amplifier Portable Equipment SOP14 8.70mm x 6.20mm x 1.61mm Consumer Equipment Simplified Schematic VDD V bias IN+ Class OUT AB control IN- V bias VSS Figure 1. Simplified Schematic (1 channel only) Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays www.rohm.com TSZ02201-0RAR1G200160-1-2 2013 ROHM Co., Ltd. All rights reserved. 1/40 TSZ22111 14 001 13.Feb.2015 Rev.002 BU7441G BU7441SG BU7442xxx BU7442Sxxx BU7444F BU7444SF Datasheet Pin Configuration BU7441G, BU7441SG : SSOP5 Pin No. Pin Name IN+ 1 5 VDD 1 IN+ 2 VSS + VSS 2 3 IN- - 4 OUT IN- 3 4 OUT 5 VDD BU7442F, BU7442SF : SOP8 BU7442FVM, BU7442SFVM : MSOP8 BU7442NUX, BU7442SNUX : VSON008X2030 Pin No. Pin Name 1 OUT1 2 IN1- OUT1 1 8 VDD 3 IN1+ IN1- CH1 2 7 4 VSS OUT2 + - + 5 IN2+ CH2 IN1+ 3 6 IN2- 6 IN2- - + 7 OUT2 VSS 4 5 IN2+ 8 VDD BU7444F, BU7444SF : SOP14 Pin No. Pin Name 1 OUT1 OUT1 1 14 OUT4 2 IN1- 3 IN1+ IN1- IN4- 2 13 CH1 CH4 - - + + 4 VDD IN1+ IN4+ 3 12 5 IN2+ 6 IN2- VDD VSS 4 11 7 OUT2 IN3+ IN2+ 5 10 8 OUT3 - - + + CH2 CH3 9 IN3- IN2- 6 9 IN3- 10 IN3+ OUT2 7 8 OUT3 11 VSS 12 IN4+ 13 IN4- 14 OUT4 Package SSOP5 SOP8 MSOP8 VSON008X2030 SOP14 BU7441G BU7442F BU7442FVM BU7442NUX BU7444F BU7441SG BU7442SF BU7442SFVM BU7442SNUX BU7444SF www.rohm.com TSZ02201-0RAR1G200160-1-2 2013 ROHM Co., Ltd. All rights reserved. 2/40 13.Feb . 20 1 5 Re v.002 TSZ2211115001