Datasheet > INA821IDRGT

INA821IDRGT

更新时间： 2023-09-03 20:30:33

品牌	Logo	应用领域
德州仪器 - TI		放大器仪表仪表放大器
页数	文件大小	规格书
49页	1849K
描述
高带宽 (4.7MHz)、低噪声 (7nV/√Hz)、精密 (35μV)、低功耗仪表放大器 \| DRG \| 8 \| -40 to 125

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INA821IDRGT 数据手册

INA821

www.ti.com.cn

ZHCSIM8C –AUGUST 2018–REVISED JULY 2019

Electrical Characteristics (continued)

at T_A= 25°C, V_S= ±15 V, R_L= 10 kΩ, V_REF= 0 V, and G = 1 (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

±0.005%

±0.025%

±0.05%

MAX

±0.025%

±0.15%

UNIT

G = 1, V_O= ±10 V

G = 10, V_O= ±10 V

G = 100, V_O= ±10 V

G = 1000, V_O= ±10 V

Gain error

G = 1, T_A= –40°C to 125°C

±5

±35

Gain vs temperature⁽⁶⁾

Gain nonlinearity

ppm/°C

ppm

G > 1, T_A= –40°C to 125°C

G = 1 to 10, V_O= –10 V to 10 V, R_L= 10 kΩ

G = 100, V_O= –10 V to 10 V, R_L= 10 kΩ

G = 1000, V_O= –10 V to 10 V, R_L= 10 kΩ

G = 1 to 100, V_O= –10 V to 10 V, R_L= 2 kΩ

OUTPUT

(V–) +

0.15

Voltage swing

(V+) – 0.15

Load capacitance

stability

1000

Closed-loop output

impedance

Z_O

I_SC

f = 10 kHz

1.3

Ω

Short-circuit current

Continuous to V_S/ 2

±20

FREQUENCY RESPONSE

G = 1

4.7

970

290

MHz

kHz

G = 10

t_S

Bandwidth, –3 dB

Slew rate

G = 100

G = 1000

G = 1, V_O= ±10 V

2.0

V/µs

0.01%, G = 1 to 100, V_STEP= 10 V

0.01%, G = 1000, V_STEP= 10 V

0.001%, G = 1 to 100, V_STEP= 10 V

0.001%, G = 1000, V_STEP= 10 V

Settling time

µs

REFERENCE INPUT

R_INInput impedance

kΩ

Voltage range

(V–)

(V+)

Gain to output

V/V

Reference gain error

0.01%

POWER SUPPLY

Single-supply

4.5

±18

650

870

V_S

I_Q

Power-supply voltage

Dual-supply

±2.25

V_IN= 0 V

600

Quiescent current

µA

vs temperature, T_A= –40°C to 125°C

(6) The values specified for G > 1 do not include the effects of the external gain-setting resistor, "R_G".

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