Datasheet Analog Devices ADA4254 — 数据表

Zero Drift, High Voltage, Low Power,
Programmable Gain Instrumentation Amplifier ADA4254 Data Sheet SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM APPLICATIONS
Universal process control front ends
Data acquisition systems
Test and measurement systems GENERAL DESCRIPTION
The ADA4254 is a zero drift, high voltage, low power
programmable gain instrumentation amplifier (PGIA) designed
for process control and industrial applications. The ADA4254
features 12 binary weighted gains ranging from 1/16 V/V to
128 V/V and three scaling gain options of 1 V/V, 1.25 V/V, and
1.375 V/V, resulting in 36 possible gain settings. The power
consumption of the ADA4254 is a mere 22 mW, making the
device an excellent choice for industrial systems that demand
precision, robustness, and low power.
The zero drift amplifier topology of the ADA4254 self calibrates
dc errors and low frequency 1/f noise, achieving excellent dc
precision over the entire specified temperature range. This high
level of precision maximizes dynamic range and greatly reduces
calibration requirements in many applications.
Rev. B VDDH IOUT_HV EXCITATION
CURRENTS ADA4254
AVDD IOUT_LV +IN1
–IN1 …

Zero Drift, High Voltage, Low Power,
Programmable Gain Instrumentation Amplifier ADA4254 Data Sheet SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM APPLICATIONS
Universal process control front ends
Data acquisition systems
Test and measurement systems GENERAL DESCRIPTION
The ADA4254 is a zero drift, high voltage, low power
programmable gain instrumentation amplifier (PGIA) designed
for process control and industrial applications. The ADA4254
features 12 binary weighted gains ranging from 1/16 V/V to
128 V/V and three scaling gain options of 1 V/V, 1.25 V/V, and
1.375 V/V, resulting in 36 possible gain settings. The power
consumption of the ADA4254 is a mere 22 mW, making the
device an excellent choice for industrial systems that demand
precision, robustness, and low power.
The zero drift amplifier topology of the ADA4254 self calibrates
dc errors and low frequency 1/f noise, achieving excellent dc
precision over the entire specified temperature range. This high
level of precision maximizes dynamic range and greatly reduces
calibration requirements in many applications.
Rev. A VDDH IOUT_HV EXCITATION
CURRENTS ADA4254
AVDD IOUT_LV +IN1
–IN1 …