TS924AIDT amplifier ic chip Integrated Circuit Chip Rail-to-rail quad operational amplifier

 
TS924 Rail-to-rail high output current quad operational amplifier
 
Features
■ Rail-to-rail input and output
■ Low noise: 9 nV/√Hz
■ Low distortion
■ High output current: 80 mA (able to drive 32 Ω loads)
■ High-speed: 4 MHz, 1.3 V/µs
■ Operating range from 2.7 V to 12 V
■ Low input offset voltage: 900 µV max (TS924A)
■ ESD internal protection: 3 kV
■ Latch-up immunity
■ Macromodel included in this specification
 
Applications
■ Headphone amplifier
■ Piezoelectric speaker driver
■ Sound cards
■ MPEG boards, multimedia systems
■ Line driver, buffer
■ Cordless telephones and portable communication equipment
■ Instrumentation with low noise as key factor
 
Description
The TS924 is a rail-to-rail quad BiCMOS operational amplifier optimized and fully specified for 3 V and 5 V operation.
High output current allows low load impedances to be driven.
The TS924 exhibits a very low noise, low distortion, low offset and high output current capability making this device an excellent choice for high quality, low voltage or battery operated audio systems.
 
Absolute maximum ratings

1. All voltage values, except differential voltage are with respect to network ground terminal.
2. Differential voltages are the non-inverting input terminal with respect to the inverting input terminal. If Vid > ±1 V, the maximum input current must not exceed ±1 mA. In this case (Vid > ±1 V), an input series resistor must be added to limit input current.
3. Do not exceed 14 V.
4. Short-circuits can cause excessive heating and destructive dissipation. Rth are typical values.
5. Human body model: A 100 pF capacitor is charged to the specified voltage, then discharged through a 1.5 kΩ resistor between two pins of the device. This is done for all couples of connected pin combinations while the other pins are floating.
6. Machine model: A 200 pF capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5 Ω). This is done for all couples of connected pin combinations while the other pins are floating.
7. Charged device model: all pins and the package are charged together to the specified voltage and then discharged directly to the ground through only one pin. This is done for all pins.
8. There is no short-circuit protection inside the device: short-circuits from the output to VCC can cause excessive heating. The maximum output current is approximately 80 mA, independent of the magnitude of VCC. Destructive dissipation can result from simultaneous short-circuits on all amplifiers.
 

The device is stable for capacitive loads up to 500 pF.
 
 
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