Datasheet > AD8228BRZ1

AD8228BRZ1

更新时间： 2022-02-26 09:38:49

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
25页	550K
描述
Low Gain Drift Precision Instrumentation Amplifier

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数据手册

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AD8228BRZ1 数据手册

AD8228

GAIN = 100

V_S= ±±1 V, V_REF= 0 V, T_A= 21°C, R_L= 2 kΩ, all specifications referred to input, unless otherwise noted.

Table 3.

Conditions

(Gain = 100)

A Grade

Typ

B Grade

Typ

Parameter

Min

Max

Min

Max

Unit

COMMON-MODE REJECTION RATIO

CMRR DC to 60 Hz with 1 kΩ

Source Imbalance

CMRR at 2 kHz

NOISE

V_CM= −10 V to +10 V 114

V_CM= −10 V to +10 V 100

120

105

V_IN+= V_IN−= V_REF= 0 V

Voltage Noise

f = 1 kHz

f = 0.1 Hz to 10 Hz

f = 1 kHz

nV/√Hz

μV p-p

fA/√Hz

pA p-p

0.3

Current Noise

f = 0.1 Hz to 10 Hz

VOLTAGE OFFSET

Referred to input,

V_S= 5 V to 15 V

Offset

Over Temperature

Average TC

140

0.9

0.5

μV

μV/°C

T = −40°C to +85°C

Offset vs. Supply (PSR)

INPUT CURRENT

Input Bias Current

Over Temperature

Average TC

Input Offset Current

Over Temperature

Average TC

118

140

0.5

124

140

0.4

1.5

2.0

0.6

pA/°C

T = −40°C to +85°C

0.2

0.1

0.6

0.8

0.4

0.6

T = −40°C to +85°C

pA/°C

REFERENCE INPUT

R_IN

I_IN

Voltage Range

Gain to Output

DYNAMIC RESPONSE

Small Signal −3 dB Bandwidth

Settling Time 0.01%

Settling Time 0.001%

Slew Rate

kΩ

μA

V_IN+= V_IN−= V_REF= 0 V

+V_S

−V_S

0.0001

V/V

110

kHz

μs

10 V step

2.5

V/μs

GAIN

V_OUT= −10 V to +10 V

Gain Error

0.1

0.05

Gain Nonlinearity

R_L= 10 kΩ

R_L= 2 kΩ

Gain vs. Temperature

INPUT

ppm

ppm/°C

Input Impedance

Differential

100||2

GΩ||pF

Common Mode

Input Operating Voltage Range¹

Over Temperature

Input Operating Voltage Range¹

Over Temperature

V_S= 2.3 V to 5 V

T = −40°C to +85°C

V_S= 5 V to 18 V

T =−40°C to +85°C

−V_S+ 1.9

−V_S+ 2.0

−V_S+ 1.9

−V_S+ 2.0

+V_S− 1.1

+V_S− 1.2

−V_S+ 1.9

−V_S+ 2.0

−V_S+ 1.9

−V_S+ 2.0

+V_S− 1.1

+V_S− 1.2

Rev. 0 | Page 5 of 24

1...3 4 567 8 9...25

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