Datasheet Operational Amplifiers Ground Sense Low Voltage Operation CMOS Operational Amplifiers BU7461G BU7461SG BU7462xxx BU7462Sxxx BU7464F BU7464SF General Description Key Specifications BU7461G/BU7462xxx/BU7464F are input ground Operating Supply Voltage: +1.7V to +5.5V sense, output full swing CMOS operational amplifiers. Supply Current: 150A/ch(Typ) BU7461SG/BU7462Sxxx/BU7464SF have an expanded Temperature Range: BU7461G/BU7462xxx/BU7464F operating temperature range. They have the features of low operating supply voltage, low supply current and low -40C to +85C BU7461SG/BU7462Sxxx/BU7464SF input bias current. These are suitable for portable -40C to +105C equipment and sensor amplifiers. Input Offset Current: 1pA (Typ) Input Bias Current: 1pA (Typ) Features Low Supply Current Packages Low Operating Supply Voltage W(Typ) x D(Typ) x H(Max) Wide Temperature Range SSOP5 2.90mm x 2.80mm x 1.25mm Low Input Bias Current SOP8 5.00mm x 6.20mm x 1.71mm Applications MSOP8 2.90mm x 4.00mm x 0.90mm Sensor Amplifier VSON008X2030 2.00mm x 3.00mm x 0.60mm Portable Equipment SOP14 8.70mm x 6.20mm x 1.71mm 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 TSZ02201-0RAR1G200150-1-2 2013 ROHM Co., Ltd. All rights reserved. 1/40 TSZ22111 14 001 13.Feb.2015 Rev003 Datasheet BU7461G BU7461SG BU7462xxx BU7462Sxxx BU7464F BU7464SF Pin Configuration BU7461G, BU7461SG : 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 BU7462F, BU7462SF : SOP8 BU7462FVM, BU7462SFVM : MSOP8 BU7462NUX, BU7462SNUX : 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 BU7464F, BU7464SF : SOP14 Pin No. Pin Name 1 OUT1 OUT1 1 14 OUT4 2 IN- 3 IN+ IN1- 2 13 IN4- CH1 CH4 - - + + 4 VDD IN1+ 3 12 IN4+ 5 IN2+ 6 IN2- VDD 4 11 VSS 7 OUT2 IN2+ 5 10 IN3+ 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 BU7461G BU7462F BU7462FVM BU7462NUX BU7464F BU7461SG BU7462SF BU7462SFVM BU7462SNUX BU7464SF www.rohm.com TSZ02201-0RAR1G200150-1-2 2013 ROHM Co., Ltd. All rights reserved. 2/40 13.Feb.2015 Rev003 TSZ2211115001