AD8224

Rev. 0 | Page 6 of 28

individual instrumentation amplifier configured for a single-ended output or dual instrumentation amplifiers configured for differential

outputs as shown in Figure 59.

Table 5

A Grade

Parameter

Test Conditions

Min

Typ

Max

Unit

COMMON-MODE REJECTION RATIO (CMRR)

CMRR DC to 60 Hz with 1 kΩ Source Imbalance

G = 1

78

dB

G = 10

94

dB

G = 100

94

dB

G = 1000

94

dB

CMRR at 10 kHz

G = 1

74

dB

G = 10

84

dB

G = 100

84

dB

G = 1000

84

dB

NOISE

Voltage Noise, 1 kHz

14

nV√Hz

90

nV√Hz

RTI, 0.1 Hz to 10 Hz

G = 1

5

μV p-p

G = 1000

0.8

μV p-p

Current Noise

f = 1 kHz

1

fA/√Hz

VOLTAGE OFFSET

300

μV

Average TC

T = −40°C to +85°C

10

μV/°C

1200

μV

Average TC

T = −40°C to +85°C

10

μV/°C

Offset RTI vs. Supply (PSR)

G = 1

86

dB

G = 10

96

dB

G = 100

96

dB

G = 1000

96

dB

INPUT CURRENT (PER CHANNEL)

Input Bias Current

25

pA

Over Temperature3

T = −40°C to +85°C

300

pA

Input Offset Current

2

pA

Over Temperature3

T = −40°C to +85°C

5

pA

REFERENCE INPUT

40

kΩ

70

μA

Voltage Range

V

Gain to Output

1 ± 0.0001

V/V