The official website - Shenzhen Mingjiada Electronic Co., LTD
Device description
The AD8646ARMZ is a dual-channel, rail-to-rail input and output, single power amplifier featuring low offset voltage, wide signal bandwidth, low input voltage and low current noise.
The combination of 24 MHz bandwidth, low offset, low noise and extremely low input bias current characteristics makes the AD8646ARMZ amplifier suitable for a wide range of applications. Devices such as filters, integrators, photodiode amplifiers and high-impedance sensors can all benefit from this combination of characteristics. The wide bandwidth and low distortion characteristics are beneficial for AC applications. The AD8646ARMZ features high output drive capability and is an ideal choice for audio line drivers and other low-impedance applications. The AD8646ARMZ can be used in automotive applications.
Specific applications include: portable and low-power instruments and meters, audio amplification for portable devices, portable telephone headsets, barcode scanners, and multipole filters. In addition, the AD8646ARMZ also features rail-to-rail input and output swing capabilities, allowing designers to buffer CMOS ADCs, Dacs, ASics, and other wide output swing devices in a single power supply system.
Core features
Offset voltage: 2.5 mV(maximum value)
Single power supply: 2.7V to 5.5V
Low noise: 8 nV/√Hz
Broadband width: 24 MHz
Slew rate: 11 V/µs
Short-circuit output current: 120 mA
Passed the automotive application certification
No inverse phase
Low input bias current: 1 pA
Low supply current (for each amplifier) : 2 mA (maximum value)
Unit gain stability
The AD8646ARMZ mainly has the following key parameters:
Amplifier type: Standard (general)
Number of circuits: 2
Output type: Full swing
Slew rate: 11V/µs
Gain-bandwidth product: 24 MHz
Current - Input bias: 0.3 pA
Voltage - Input compensation: 600 µV
Current - Power supply: 1.5mA (x2 channels)
Current - Output/Channel: 120 mA
Voltage - span (minimum value) : 2.7V
Voltage - span (maximum value) : 5.5V
Operating temperature: -40°C to 125°C
Installation type: Surface mount type
Packaging/Housing: 8-MSOP
The AD8646ARMZ amplifier is mainly used in the following scenarios:
Battery-powered instrument
Multipolar filter
ADC front-end
Sensor
Barcode scanner
ASIC input or output amplifier
Audio amplifier
Photodiode amplifier
Data path/multiplexer/switch control
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