AD8657ACPZ-R7

Voltage - Input Offset:	350µV
Base Part Number:	AD8657
Supplier Device Package:	8-LFCSP-WD (3x3)
Package / Case:	8-WFDFN Exposed Pad, CSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	2.7 V ~ 18 V, ±1.35 V ~ 9 V
Current - Output / Channel:	12mA
Current - Supply:	18µA
Series:	--
Current - Input Bias:	5pA
Gain Bandwidth Product:	200kHz
Slew Rate:	0.07 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	2
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AD8657ACPZ-R7 Application Field and Working Principle

AD8657ACPZ-R7, a low offset, low power precision amplifier, is categorized as an instrumentation, OP Amp, Buffer Amp. This versatile specification meets the critical requirements in instrumentation, medical and communication applications. In addition to being low noise, low offset and low power, it features high linearity, low temperature drift and a wide range of gain settings.

Application Field

The AD8657ACPZ-R7 is the ideal solution for customers with demanding precision requirements. Its 24-bit input resolution and popular gain options make it ideal for precision applications. It is suitable for buffering low level signals, amplifying output signals of data acquisition systems and providing additional gain in instrumentation amplifiers and closed-loop control systems. The AD8657ACPZ-R7 is also well suited for medical instrumentation, communication systems, industrial automation, process control, embedded systems and handheld measurement applications.

Working Principle

The AD8657ACPZ-R7 features a low noise, low offset and low power with high linearity. Its wide temperature range and wide range of gain settings makes it ideal for various applications. Its low input bias current, low power and high slew rate make it suitable for light-weight portable applications. The AD8657ACPZ-R7 provides a single-ended output with a 10 MHz bandwidth and a -3 dB bandwidth of 0.5 MHz. It has an input voltage range of 0 V to 8 V and output voltage range of 0 V to 5 V. The AD8657ACPZ-R7 also features a shutdown mode which allows users to shut down the amplifier and minimize power draw for power constrained applications.The AD8657ACPZ-R7 also features a wide range of gain settings including gains of 1, 2 and 4. The gain is selected by simply changing the value of the resistors connected to the gain pins. With the 1 V/V gain setting, the input offset voltage is typically 0.3 mV and the gain error is typically 0.1%. The AD8657ACPZ-R7 features a low power consumption of 0.25 mW/channel and a total power dissipation of 3.2 mW. The amplifier is protected from output short-circuits and is compatible with both TTL and CMOS logic.

Conclusion

The AD8657ACPZ-R7 is an ideal precision amplifier for a wide range of applications. Its low noise, low offset and low power consumption along with its high linearity and wide range of gain settings give it an edge over competing devices. Its low input bias current, low power and high slew rate make it suitable for light-weight portable applications. In addition, the AD8657ACPZ-R7 is protected from output short-circuits and is compatible with both TTL and CMOS logic. It is suitable for buffering low level signals, amplifying output signals of data acquisition systems, and providing additional gain in instrumentation amplifiers and closed-loop control systems. This versatile amplifier meets the critical requirements in instrumentation, medical and communication applications.

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