TMP512 datasheet(5/62 Pages) TI2

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TMP512

TMP513

www.ti.com

SBOS491A

– JUNE 2010 – REVISED MAY 2011

ELECTRICAL CHARACTERISTICS: V+ = +12V (continued)

Boldface limits apply over the specified temperature range, TA = –40°C to +125°C.

At TA = +25°C, V+ = 12V, VSENSE = (VIN+ – VIN–) = 32mV, PGA = ÷ 1, and BRNG

(1) = 1, unless otherwise noted.

TMP512, TMP513

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TEMPERATURE ERROR

TA = –40°C to +125°C

±1.25

±2.5

°C

Local Temperature Sensor

TELOCAL

TA = +15°C to +85°C, V+ = 12V

±0.25

±1

°C

TA = +15°C to +85°C, TD = –40°C to+

±0.25

±1

°C

150

°C, V+ = 12V

TA = –40°C to +100°C, TD = –40°C to

Remote Temperature Sensor(5)

TEREMOTE

±1

±3

°C

+150

°C, V+ = 12V

TA = –40°C to +125°C, TD = –40°C to

±3

±5

°C

+150

°C

vs Supply, Local

V+ = 3V to 5.5V, Configuration 3(6)

0.2

0.5

°C/V

V+ = 3V to 5.5V, Configuration 3(6)

0.2

0.5

°C/V

vs Supply, Remote

V+ = 4.5V to 26V, subregulator supply

0.01

0.05

°C/V

TEMPERATURE MEASUREMENT

Conversion Time (per channel)

100

115

130

Resolution

Local Temperature Sensor

Bits

Remote Temperature Sensor

Bits

Remote Sensor Source Currents

Series Resistance 3k

Ω max

High

120

μA

Medium High

μA

Medium Low

μA

Low

μA

Default Non-Ideality Factor

TMP512/12 Optimized Ideality Factor

1.008

SMBus

Logic Input High Voltage (SCL, SDA, GPIO,

VIH

2.1

A0)

Logic Input Low Voltage (SCL, SDA, GPIO,

VIL

0.8

A0)

Hysteresis

500

SMBus Output Low Sink Current

SDA Output Low Voltage

VOL

IOUT = 6mA

0.15

0.4

Logic Input Current

≤ VIN ≤ 6V

–1

μA

SMBus Input Capacitance (SCL, SDA, GPIO, A0)

SMBus Clock Frequency

3.4

MHz

SMBus Timeout(7)

SCL Falling Edge to SDA Valid Time

μs

POWER SUPPLY

Specified Supply Range(6)

V+

+26

Quiescent Current

1.4

Quiescent Current, Power-Down Mode

100

μA

Power-On Reset Threshold

TEMPERATURE RANGE

Specified Temperature Range

–40

+125

°C

(5)

Tested with one-shot measurements, and with less than 5

Ω effective series resistance, and with 100pF differential input capacitance.

(6)

See Subregulator section.

(7)

SMBus timeout in the TMP512/13 resets the interface any time SCL or SDA is low for over 28ms.

TMP512 数据表(PDF) 5 Page - Texas Instruments

TMP512 数据表(HTML) 5 Page - Texas Instruments

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TMP512 数据表(PDF) 5 Page - Texas Instruments

TMP512 数据表(HTML) 5 Page - Texas Instruments

Html Pages

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