AD8224ACPZ-R7 datasheet(6/27 Pages) AD

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AD8224

Preliminary Technical Data

VS + = 5 V, VS− = 0 V, VREF = 2.5 V, TA = +25°C, G = 1, RL = 2 kΩ, unless otherwise noted.

Table 5. Single-Ended and Differential1 Output Configuration

Parameter

Test Conditions

Min

A Grade

Typ

Max

Unit

COMMON-MODE REJECTION RATIO (CMRR)

CMRR DC to 60 Hz with 1 kΩ Source Imbalance

VCM

= 0 to 2.5 V

G = 1

G = 10

G = 100

G = 1000

CMRR at 5 kHz

G = 1

G = 10

G = 100

G = 1000

NOISE

RTI noise = √(eni2 + (eno/G)2)

Voltage Noise, 1 kHz

Input Voltage Noise, eni

VIN+, VIN− = 0 V, VREF = 0 V

nV√Hz

Output Voltage Noise, eno

VIN+, VIN− = 0 V, VREF = 0 V

nV√Hz

RTI, 0.1 Hz to 10 Hz

G = 1

μV p-p

G = 1000

0.8

μV p-p

Current Noise

f = 1 kHz

fA/√Hz

VOLTAGE OFFSET

RTI VOS = (VOSI) + (VOSO/G)

Input Offset, VOSI

300

μV

Average TC

T = −40°C to +85°C

μV/°C

Output Offset, VOSO

800

μV

Average TC

T = −40°C to +85°C

μV/°C

Offset RTI vs. Supply (PSR)

G = 1

G = 10

G = 100

G = 1000

INPUT CURRENT (PER CHANNEL)

Input Bias Current

Over Temperature2

T = −40°C to +85°C

300

Input Offset Current

Over Temperature2

T = −40°C to +85°C

GAIN

G = 1 + (49.4 kΩ/RG)

Gain Range

1000

V/V

Gain Error

VOUT = 0.3 V to 2.9 V for G = 1

VOUT = 0.3 V to 3.8 V for G > 1

G = 1

0.06

G = 10

0.3

G = 100

0.3

G = 1000

0.3

Nonlinearity

VOUT = 0.3 V to 2.9 V for G = 1

VOUT = 0.3 V to 3.8 V for G > 1

G = 1

RL = 10 kΩ

ppm

G = 10

RL = 10 kΩ

ppm

G = 100

RL = 10 kΩ

ppm

Rev. PrB | Page 6 of 27

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