INA101KU

更新时间： 2024-02-11 16:17:17

品牌	Logo	应用领域
BB		仪表放大器放大器电路光电二极管
页数	文件大小	规格书
6页	94K
描述
High Accuracy INSTRUMENTATION AMPLIFIER

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技术参数
数据手册

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INA101KU 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	, CAN10,.23	Reach Compliance Code：	unknown
风险等级：	5.7	放大器类型：	INSTRUMENTATION AMPLIFIER
JESD-30 代码：	O-MBCY-W10	JESD-609代码：	e0
标称负供电电压 (Vsup)：	-15 V	功能数量：	1
端子数量：	10	最高工作温度：	125 °C
最低工作温度：	-55 °C	封装主体材料：	METAL
封装等效代码：	CAN10,.23	封装形状：	ROUND
封装形式：	CYLINDRICAL	电源：	+-15 V
子类别：	Instrumentation Amplifiers	最大压摆率：	17 mA
标称供电电压 (Vsup)：	15 V	技术：	BIPOLAR
温度等级：	MILITARY	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	WIRE	端子位置：	BOTTOM
Base Number Matches：	1

INA101KU 数据手册

TYPICAL PERFORMANCE CURVES (CONT)

At +25°C, V_CC= ±15V unless otherwise noted.

OUTPUT NOISE vs GAIN

SETTLING TIME vs GAIN

1000

100

R_L= 2kΩ

_L= 1000pF

0.01%

0.1%

R_S= 1MΩ

R_S= 1000kΩ

R_S= 10kΩ

R_S= 0

100

1000

100

1000

Gain (V/V)

INPUT NOISE VOLTAGE

vs FREQUENCY (100 ≤ GAIN ≤ 1000)

1000

100

1000

Frequency (Hz)

APPLICATION INFORMATION

Figure 1 shows the basic connections required for operation

of the INA101. (Pin numbers shown are for the TO-100

metal package.) Applications with noisy or high impedance

power supplies may require decoupling capacitors close to

the device pins as shown.

The 40kΩ term in equation (1) comes from the sum of the

two internal feedback resistors. These are on-chip metal film

resistors which are laser trimmed to accurate absolute val-

ues. The accuracy and temperature coefficient of these

resistors are included in the gain accuracy and drift specifi-

cations of the INA101.

The output is referred to the output Common terminal which

is normally grounded. This must be a low-impedance con-

nection to assure good common-mode rejection. A resis-

tance greater than 0.1Ω in series with the Common pin will

cause common-mode rejection to fall below 106dB.

The stability and temperature drift of the external gain

setting resistor, R_G, also affects gain. R_G’s contribution to

gain accuracy and drift can be directly inferred from the gain

equation (1). Low resistor values required for high gain can

make wiring resistance important. Sockets add to the wiring

resistance which will contribute additional gain error (possi-

bly an unstable gain error) in gains of approximately 100 or

greater. The gain sense connections on the DIP and SOL-16

packages (see Figure 2) reduce the gain error produced by

wiring or socket resistance.

SETTING THE GAIN

Gain of the INA101 is set by connecting a single external

resistor, R_G:

40kΩ

R_G

(1)

G = 1 +

INA101

1 2 3 456

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