This post explains for the amplifier.
The Part Number is C4570HA, UPC4570.
The package is sip 9 pin Type.
The function of this semiconductor is dual operational amplifier.
Manufacturer: NEC
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Descritpion :
The C4570HA is an ultra low-noise, wideband high slew-rate, dual operational amplifier. Input equivalent noise is three times better than the conventional 4558 type op-amps. The gain bandwidth products and the slew-rate are seven times better than 4558.
A dual operational amplifier, often referred to as a dual op-amp, is an integrated circuit (IC) package that contains two individual operational amplifiers within a single IC package. Operational amplifiers, commonly abbreviated as op-amps, are versatile and widely used electronic components in analog circuit design for various signal processing tasks.
Pinouts:
Features
1. Ultra low noise : en = 4.5 nV/√Hz
2. High slew rate : 7 V/µs
3. High gain bandwidth product : GBW = 15 MHz at 100 kHz
4. Internal frequency compensation
Notes ]
1. Reverse connection of supply voltage can cause destruction.
2. The input voltage should be allowed to input without damage or destruction. Even during the transition period of supply voltage, power on/off etc., this specification should be kept. The normal operation will establish when the both inputs are within the Common Mode Input Voltage Range of electrical characteristics.
Other data sheets are available within the file:
UPC4570C, UPC4570G2, UPC4570HA, C4570C, C4570G2
C4570HA PDF Datasheet
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