Datasheet > AD628_06

AD628_06

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
20页	457K
描述
High Common-Mode Voltage, Programmable Gain Difference Amplifier

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数据手册

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AD628_06 数据手册

AD628

T_A= 25°C, V_S= 5 V, R_L= 2 kΩ, R_EXT1= 10 kΩ, R_EXT2= ∞, V_REF= 2.5, unless otherwise noted.

Table 2.

AD61ꢁAR

Typ

AD61ꢁARM

Typ Max Unit

Parameter

Conditions

Min

Max Min

DIFFERENTIAL AND OUTPUT AMPLIFIER

Gain Equation

Gain Range

G = +0.1(1+ R_EXT1/R_EXT2

See Figure 29

)

V/V

0.1¹

100

0.1¹

100

Offset Voltage

V_CM= 2.25 V; RTI of input pins²;

output amplifier G = +1

−3.0

+3.0 −3.0

+3.0 mV

vs. Temperature

CMRR³

μV/°C

(μV/V)/°C

RTI of input pins; G = +0.1 to +100 75

500 Hz

Minimum CMRR Over Temperature −40°C to +85°C

vs. Temperature

PSRR (RTI)

V_S= 4.5 V to 10 V

Input Voltage Range

Common Mode⁴

Differential

−12

−15

+17

+15

−12

−15

+17

+15

Dynamic Response

Small Signal Bandwidth – 3 dB

Full Power Bandwidth

Settling Time

G = +0.1

440

kHz

μs

G = +0.1; to 0.01%, 30 V step

Slew Rate

0.3

V/μs

Noise (RTI)

Spectral Density

1 kHz

0.1 Hz to 10 Hz

350

nV/√Hz

μV p-p

DIFFERENTIAL AMPLIFIER

Gain

0.1

V/V

ppm

Error

–0.1

−2.5

+0.01 +0.1 –0.1

+0.01 +0.1

Nonlinearity

vs. Temperature

Offset Voltage

vs. Temperature

Input Impedance

Differential

RTI of input pins

+2.5 −2.5

+2.5 mV

μV/°C

220

kΩ

Common Mode

CMRR⁵

RTI of input pins; G = +0.1 to +100 75

500 Hz

Minimum CMRR Over Temperature −40°C to +85°C

vs. Temperature

Output Resistance

Error

(μV/V)/°C

kΩ

−0.1

+0.1 −0.1

+0.1

OUTPUT AMPLIFIER

Gain Equation

G = (1 + R_EXT1/R_EXT2

)

V/V

Nonlinearity

G = +1, V_OUT= 1 V to 4 V

RTI of output amplifier

0.5

0.15 mV

0.6

4.1

ppm

Output Offset Voltage

vs. Temperature

Output Voltage Swing

−0.15

0.15 −0.15

0.6

4.1

μV/°C

R_L= 10 kΩ

R_L= 2 kΩ

0.9

Bias Current

Offset Current

CMRR

1.5

0.2

0.5

1.5

0.2

0.5

V_CM= 1 V to 4 V

V_OUT= 1 V to 4 V

130

Open-Loop Gain

Rev. F | Page 5 of 20

1 2 3 456 7 8...20

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