问 答 1: 还有价格怎样。多谢 答 2: AD421,XTR101等,比较贵 答 3: TI:Sensors, Sensor Conditioning, 4-20mA Transmitters

TI:Sensors, Sensor Conditioning, 4-20mA Transmitters

Sensors, Sensor Conditioning, 4-20mA Transmitters
http://blog.21ic.com/more.asp?name=iC921&id=15812
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Part Number

Status

Sub Family

Vs (min) (V)

Vs (max) (V)

Pin/Package

Approx. 1KU Price (US$)

Description

RCV420

ACTIVE

4-20mA Transmitters

11.4

36

16PDIP

3.55

Precision 4mA to 20mA Current Loop Receiver

XTR101

ACTIVE

4-20mA Transmitters

11.6

40

14CDIP SB 14PDIP 16SOIC

8.70

Precision, Low Drift 4-20mA Two-Wire Transmitter

XTR105

ACTIVE

4-20mA Transmitters

7.5

36

14PDIP 14SOIC

4.00

4-20mA Current Transmitter with Sensor Excitation and Linearization

XTR106

ACTIVE

4-20mA Transmitters

7.5

36

14PDIP 14SOIC

4.00

4-20mA Current Transmitter with Bridge Excitation And Linearization

XTR108

ACTIVE

4-20mA Transmitters

4.5

*

24SSOP/QSOP

3.35

4-20mA, Two-Wire Transmitter 'Smart' Programmable with Signal Conditioning

XTR110

ACTIVE

4-20mA Transmitters

13.5

40

16CDIP SB 16PDIP 16SOIC

7.10

Precision Voltage-To-Current Converter/Transmitter

XTR112

ACTIVE

4-20mA Transmitters

7.5

36

14SOIC

4.00

4-20mA Current Transmitters with Sensor Excitation and Linearization

XTR114

ACTIVE

4-20mA Transmitters

7.5

36

14SOIC

4.00

4-20mA Current Transmitters with Sensor Excitation and Linearization

XTR115

ACTIVE

4-20mA Transmitters

7.5

36

8SOIC

1.05

4-20mA Current Loop Transmitters

XTR116

ACTIVE

4-20mA Transmitters

7.5

36

8SOIC

1.05

4-20mA Current Loop Transmitters

XTR117

NEW ACTIVE

4-20mA Transmitters

7.5

40

8MSOP 8SON

0.90

XTR117 4-20mA Current Loop Transmitter

XTR300

NEW ACTIVE

4-20mA Transmitters

10

40

20QFN

2.45

Industrial Analog Current/Voltage Output Driver

TMP100

ACTIVE

Temperature Sensors

*

*

6SOT-23

0.75

Digital Temperature Sensor with I2C Serial Interface

TMP101

ACTIVE

Temperature Sensors

*

*

6SOT-23

0.80

Digital Temperature Sensor with I2C Serial Interface, Prog. Thermostat/AlARM Function

TMP105

NEW ACTIVE

Temperature Sensors

*

*

6DSBGA

0.85

Digital Temperature Sensor with 2-Wire Interface

TMP106

NEW ACTIVE

Temperature Sensors

*

*

6DSBGA

0.85

Digital Temperature Sensor with Two-Wire Interface in Chip Scale Package

TMP121

ACTIVE

Temperature Sensors

*

*

6SOT-23

0.90

1.5C Accurate Digital Temperature Sensor with SPI Interface

TMP122

ACTIVE

Temperature Sensors

*

*

6SOT-23

0.99

1.5C Accurate Programmable Temperature Sensor with SPI Interface

TMP123

ACTIVE

Temperature Sensors

*

*

6SOT-23

0.90

1.5C Accurate Digital Temperature Sensor with SPI Interface

TMP124

ACTIVE

Temperature Sensors

*

*

8SOIC

0.70

1.5?C Accurate Programmable Digital Temp Sensor with SPI? Interface

TMP125

ACTIVE

Temperature Sensors

*

*

6SOT-23

0.80

TMP125: 2 Degree Celsius Accurate Digital Temperature Sensor with SPI (TM) Interface

TMP141

ACTIVE

Temperature Sensors

*

*

6SOT-23 8MSOP

0.65

Digital Out Temperature Sensor

TMP175

ACTIVE

Temperature Sensors

*

*

8SOIC

0.85

Digital Temperature Sensor with 2-Wire Interface

TMP75

ACTIVE

Temperature Sensors

*

*

8MSOP 8SOIC

0.70

Digital Temperature Sensor with 2-Wire Interface

PGA309

ACTIVE

Sensor Conditioning

2.7

5

16TSSOP

2.95

PGA309 Voltage Output Programmable Sensor Conditioner

XTR108

ACTIVE

Sensor Conditioning

4.5

*

24SSOP/QSOP

3.35

4-20mA, Two-Wire Transmitter 'Smart' Programmable with Signal Conditioning

UAF42

ACTIVE

Active Filters

*

*

14PDIP 16SOIC

7.55

Universal

注：表中*仅仅为表格显示好看而加上去的。
Sensors, Sensor Conditioning, 4-20mA Transmitters  答 4: 可不可以自己用运放作个4~20mA电路呢？ 答 5: 可以用运放做