Datasheet > LT1789-10

LT1789-10

更新时间： 2024-11-24 21:54:07

品牌	Logo	应用领域
凌特 - Linear		仪表放大器
页数	文件大小	规格书
24页	510K
描述
Micropower, Single Supply Rail-to-Rail Output Instrumentation Amplifiers

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LT1789-10 数据手册

LT1789-1/LT1789-10

Micropower,

Single Supply Rail-to-Rail

Output Instrumentation Amplifiers

FEATURES

DESCRIPTIO

The LT^®1789-1/LT1789-10 are micropower, precision in-

strumentation amplifiers that are optimized for single supply

operation from 2.2V to 36V. The quiescent current is 95µA

max, the inputs common mode to ground and the output

swings within 110mV of ground. The gain is set with a single

external resistor for a gain range of 1 to 1000 for the LT1789-

1 and 10 to 1000 for the LT1789-10.

■

Micropower: 95µA Supply Current Max

■

Low Input Offset Voltage: 100µV Max

■

Low Input Offset Voltage Drift: 0.5µV/°C Max

Single Gain Set Resistor:

■

G = 1 to 1000 (LT1789-1)

G = 10 to 1000 (LT1789-10)

Inputs Common Mode to V^–

Wide Supply Range: 2.2V to 36V Total Supply

CMRR at G = 10: 96dB Min

■

The high accuracy of the LT1789-1 (40ppm maximum

nonlinearity and 0.25% max gain error) is unmatched by

othermicropowerinstrumentationamplifiers.TheLT1789-10

maximizesboththeinputcommonmoderangeanddynamic

output range when an amplification of 10 or greater is

required, allowing precise signal processing where other

instrumentation amplifiers fail to operate. The LT1789-1/

LT1789-10 are laser trimmed for very low input offset

voltage, low input offset voltage drift, high CMRR and high

PSRR. The output can handle capacitive loads up to 400pF

(LT1789-1), 1000pF (LT1789-10) in any gain configuration

whiletheinputsareESDprotectedupto10kV(humanbody).

Gain Error: G = 10, 0.25% Max

Gain Nonlinearity: G = 10, 40ppm Max

Input Bias Current: 40nA Max

PSRR at G = 10: 100dB Min

1kHz Voltage Noise: 48nV/√Hz

0.1Hz to 10Hz Noise: 1.5µV_P-P

APPLICATIO S

■

Portable Instrumentation

■

Bridge Amplifiers

■

Strain Gauge Amplifiers

The LT1789-1/LT1789-10 are offered in the 8-pin SO pack-

age, requiring significantly less PC board area than discrete

multi op amp and resistor designs.

■

Thermocouple Amplifiers

■

Differential to Single-Ended Converters

■

Medical Instrumentation

, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATIO

0.5A to 4A Voltage Controlled Current Source

4700pF

120Ω

0.1µF

90.9k

–

100Ω

TIP127*

10k

LT1636

*ENSURE ADEQUATE POWER

DISSIPATION CAPABILITY AT

HIGHER VOLTAGES,

–

CURRENTS AND DUTY CYCLES

10k

LT1789-1

SENSE

0.1Ω

REF

LOAD

3300pF

= 3.3V TO 32V

LOAD

• 10

SENSE

= 1A PER VOLT AS SHOWN

LOAD

RISE TIME ≈ 250µs, 10% TO 90%,

1A TO 2A OUTPUT STEP INTO 0.25Ω LOAD

1789 TA01

1789f

12 3 4 5 6 7...24

中文翻译

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与LT1789-10相关器件

型号	品牌	获取价格	描述	数据表
LT1789-10_15	Linear	获取价格	Micropower, Single Supply Rail-to-Rail Output Instrumentation Amplifiers
LT1789CS8-1	Linear	获取价格	Micropower, Single Supply Rail-to-Rail Output Instrumentation Amplifiers
LT1789CS8-1#PBF	Linear	获取价格	LT1789 - Micropower, Single Supply Rail-to-Rail Output Instrumentation Amplifier; Package:
LT1789CS8-1#TR	Linear	获取价格	暂无描述
LT1789CS8-1#TRPBF	Linear	获取价格	LT1789 - Micropower, Single Supply Rail-to-Rail Output Instrumentation Amplifier; Package:
LT1789CS8-10	Linear	获取价格	Micropower, Single Supply Rail-to-Rail Output Instrumentation Amplifiers
LT1789CS8-10#PBF	Linear	获取价格	暂无描述
LT1789CS8-10#TR	Linear	获取价格	LT1789 - Micropower, Single Supply Rail-to-Rail Output Instrumentation Amplifier; Package:
LT1789CS8-10-PBF	Linear	获取价格	Micropower, Single Supply Rail-to-Rail Output Instrumentation Amplifiers
LT1789CS8-10-TR	Linear	获取价格	Micropower, Single Supply Rail-to-Rail Output Instrumentation Amplifiers

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