Datasheet > 传感器/换能器 > 温度传感器> AD590KRZ-RL

AD590KRZ-RL

更新时间： 2024-11-19 12:53:43

品牌	Logo	应用领域
亚德诺 - ADI		传感器换能器温度传感器
页数	文件大小	规格书
16页	346K
描述
2-Terminal IC Temperature Transducer

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AD590KRZ-RL 数据手册

2-Terminal IC

Temperature Transducer

AD590

FEATURES

PIN CONFIGURATIONS

Linear current output: 1 μA/K

Wide temperature range: −55°C to +150°C

Probe-compatible ceramic sensor package

2-terminal device: voltage in/current out

Laser trimmed to 0.5°C calibration accuracy (AD590M)

Excellent linearity: 0.3°C over full range (AD590M)

Wide power supply range: 4 V to 30 V

Sensor isolation from case

V+

V–

TOP VIEW

(Not to Scale)

NC = NO CONNECT

–

Low cost

Figure 1. 2-Lead FLATPACK

Figure 2. 8-Lead SOIC

–

GENERAL DESCRIPTION

The AD590 is a 2-terminal integrated circuit temperature trans-

ducer that produces an output current proportional to absolute

temperature. For supply voltages between 4 V and 30 V, the device

acts as a high impedance, constant current regulator passing

1 μA/K. Laser trimming of the chip’s thin-film resistors is used

to calibrate the device to 298.2 μA output at 298.2 K (25°C).

Figure 3. 3-Pin TO-52

The AD590 should be used in any temperature-sensing

application below 150°C in which conventional electrical

temperature sensors are currently employed. The inherent

low cost of a monolithic integrated circuit combined with the

elimination of support circuitry makes the AD590 an attractive

alternative for many temperature measurement situations.

Linearization circuitry, precision voltage amplifiers, resistance

measuring circuitry, and cold junction compensation are not

needed in applying the AD590.

PRODUCT HIGHLIGHTS

1. The AD590 is a calibrated, 2-terminal temperature sensor

requiring only a dc voltage supply (4 V to 30 V). Costly

transmitters, filters, lead wire compensation, and lineari-

zation circuits are all unnecessary in applying the device.

2. State-of-the-art laser trimming at the wafer level in

conjunction with extensive final testing ensures that

AD590 units are easily interchangeable.

In addition to temperature measurement, applications include

temperature compensation or correction of discrete components,

biasing proportional to absolute temperature, flow rate measure-

ment, level detection of fluids and anemometry. The AD590 is

available in chip form, making it suitable for hybrid circuits and

fast temperature measurements in protected environments.

3. Superior interface rejection occurs because the output is a

current rather than a voltage. In addition, power

requirements are low (1.5 mW @ 5 V @ 25°C). These

features make the AD590 easy to apply as a remote sensor.

4. The high output impedance (>10 MΩ) provides excellent

rejection of supply voltage drift and ripple. For instance,

changing the power supply from 5 V to 10 V results in only

a 1 μA maximum current change, or 1°C equivalent error.

The AD590 is particularly useful in remote sensing applications.

The device is insensitive to voltage drops over long lines due to

its high impedance current output. Any well-insulated twisted

pair is sufficient for operation at hundreds of feet from the

receiving circuitry. The output characteristics also make the

AD590 easy to multiplex: the current can be switched by a

CMOS multiplexer, or the supply voltage can be switched by a

logic gate output.

5. The AD590 is electrically durable: it withstands a forward

voltage of up to 44 V and a reverse voltage of 20 V.

Therefore, supply irregularities or pin reversal does not

damage the device.

Rev. E

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

www.analog.com

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AD590KRZ-RL 替代型号

型号	品牌	替代类型	描述	数据表
AD590KRZ	ADI	完全替代	2-Terminal IC Temperature Transducer
AD590KR	ADI	完全替代	Two-Twrminal IC Temperature Transducer
AD590JR-REEL	ADI	完全替代	Two-Twrminal IC Temperature Transducer

与AD590KRZ-RL相关器件

型号	品牌	获取价格	描述	数据表
AD590KZR	RENESAS	获取价格	ANALOG TEMP SENSOR-CURRENT, 298.2uA, RECTANGULAR, THROUGH HOLE MOUNT, TO-92, 3 PIN
AD590L	ADI	获取价格	Two-Terminal IC Temperature Transducer
AD590LF	ADI	获取价格	Two-Terminal IC Temperature Transducer
AD590LF/+	ETC	获取价格	Temperature Transducer/Sensor
AD590LF/883B	ADI	获取价格	2-Terminal IC Temperature Transducer
AD590LH	ADI	获取价格	Two-Terminal IC Temperature Transducer
AD590LH/+	ETC	获取价格	Temperature Transducer/Sensor
AD590LH/883B	ETC	获取价格	Temperature Transducer/Sensor
AD590M	ADI	获取价格	Two-Terminal IC Temperature Transducer
AD590MF	ADI	获取价格	Two-Terminal IC Temperature Transducer

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