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HT9231/HT9232/HT9234 Operation Amplifier
Features
· Operating Voltage: 2.0V to 5.5V · Supply Current: 220mA/amplifier typical · Rail-to-Rail Output · Gain Bandwidth: 2.3MHz typical · Unity Gain Stable · Available in Single, Dual and Quad Op¢s package
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types
· Package type:
HT9231: TSOT23-5 HT9232: 8-pin DIP/SOP HT9234: 14-pin DIP/SOP
Applications
· Automotive · Portable Equipment · Photo diode Amplifier · Analog Filters · Notebooks and PDAs · Battery Powered Systems
General Description
The Holtek HT9231/HT9232/HT9234 range of Operational Amplifiers operate with a single supply voltage as low as 2.0V and offer a low supply current of only 220mA/amplifier. In offering rail-to-rail output voltage the devices can operate with a maximum voltage range. The devices also provide a gain bandwidth product of 2.3MHz and are also unity gain stable. These products are suitable for a wide range of analog signal processing applications but especially suitable for the portable device and battery powered equipment application areas.
Selection Table
Part No. HT9231 HT9232 HT9234 Amplifiers 1 2 4 Package TSOT23-5 8DIP/SOP 14DIP/SOP
Block Diagram
1 O U T 1 IN 1 IN + V D D 2 IN + 2 IN 2 O U T 4 O U T 4 IN 4 IN + V S S 3 IN + 3 IN 3 O U T
Rev. 1.00
1
March 8, 2010
HT9231/HT9232/HT9234 www.DataSheet4U.com
Pin Assignment
V D D IN 1 O U T 1 2 3 4 5 6 7 8 1 IN 1 IN + 1 O U T 1 8 2 7 3 6 4 5 1 IN 1 IN + O U T V S S IN + V S S H T 9 2 3 1 T S O T 2 3 -5 V D D 2 O U T 2 IN 2 IN + V D D 2 IN + 2 IN 2 O U T 1 4 1 3 1 2 1 1 1 0 9 4 O U T 4 IN 4 IN + V S S 3 IN + 3 IN 3 O U T
H T 9 2 3 2 8 D IP -A /S O P -A
H T 9 2 3 4 1 4 D IP -A /S O P -A
Pin Descriptions
HT9231 Pin No. 1 2 3 4 5 HT9232 Pin No. 1 2 3 4 5 6 7 8 HT9234 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Pin Name 1OUT 1IN1IN+ VDD 2IN+ 2IN2OUT 3OUT 3IN3IN+ VSS 4IN+ 4IN4OUT Analog output (operation amplifier 1) Inverting input (operation amplifier 1) Non-inverting input (operation amplifier 1) Positive power supply Non-inverting input (operation amplifier 2) Inverting input (operation amplifier 2) Analog output (operation amplifier 2) Analog output (operation amplifier 3) Inverting input (operation amplifier 3) Non-inverting input (operation amplifier 3) Negative power supply Non-inverting input (operation amplifier 4) Inverting input (operation amplifier 4) Analog output (operation amplifier 4) Description Pin Name 1OUT 1IN1IN+ VSS 2IN+ 2IN2OUT VDD Analog output (operation amplifier 1) Inverting input (operation amplifier 1) Non-inverting input (operation amplifier 1) Negative power supply Non-inverting input (operation amplifier 2) Inverting input (operation amplifier 2) Analog output (operation amplifier 2) Positive power supply Description Pin Name OUT VSS IN+ INVDD Analog output Negative power supply Non-inverting input Inverting input Positive power supply Description
Rev. 1.00
2
March 8, 2010
HT9231/HT9232/HT9234 www.DataSheet4U.com
Absolute Maximum Ratings
Supply Voltage ...........