AD8231ACPZ-WP datasheet(4/20 Pages) AD

No. de pieza	AD8231ACPZ-WP

Descripción Electrónicos	Zero Drift, Digitally Programmable Instrumentation Amplifier

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Fabricante Electrónico	AD [Analog Devices]

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AD8231

Rev. 0 | Page 4 of 20

Parameter

Conditions

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

Bandwidth

G = 1

2.7

MHz

G = 2

2.5

MHz

Gain Bandwidth Product

G = 4 to 128

7

MHz

Slew Rate

1.1

V/μs

OUTPUT CHARACTERISTICS

Output Voltage High

RL = 100 kΩ to ground

4.9

4.94

V

RL = 10 kΩ to ground

4.8

4.88

V

Output Voltage Low

RL = 100 kΩ to 5 V

60

100

mV

RL = 10 kΩ to 5 V

80

200

mV

Short-Circuit Current

70

mA

DIGITAL INTERFACE

Input Voltage Low

TA = −40°C to +125°C

1.0

V

Input Voltage High

TA = −40°C to +125°C

4.0

V

Setup Time to CS high

TA = −40°C to +125°C

50

ns

Hold Time after CS high

TA = −40°C to +125°C

20

ns

OPERATIONAL AMPLIFIER

INPUT CHARACTERISTICS

Offset Voltage, VOS

5

15

μV

Temperature Drift

TA = −40°C to +125°C

0.01

0.06

uV/°C

Input Bias Current

250

500

pA

TA = −40°C to +125°C

5

nA

Input Offset Current

20

100

pA

TA = −40°C to +125°C

0.5

nA

Input Voltage Range

0.05

4.95

V

Open-Loop Gain

100

120

V/mV

Common-Mode Rejection Ratio

100

120

dB

Power Supply Rejection Ratio

100

115

dB

Voltage Noise Density

20

nV/√Hz

Voltage Noise

f = 0.1 Hz to 10 Hz

0.4

μV p-p

DYNAMIC PERFORMANCE

Gain Bandwidth Product

1

MHz

Slew Rate

0.5

V/μs

OUTPUT CHARACTERISTICS

Output Voltage High

RL = 100 kΩ to ground

4.9

4.96

V

RL = 10 kΩ to ground

4.8

4.92

V

Output Voltage Low

RL = 100 kΩ to 5 V

60

100

mV

RL = 10 kΩ to 5 V

80

200

mV

Short-Circuit Current

70

mA

BOTH AMPLIFIERS

POWER SUPPLY

Quiescent Current

4

5

mA

Quiescent Current (Shutdown)

0.01

1

μA

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