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TMP461-SP

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SBOS876B – SEPTEMBER 2017 – REVISED FEBRUARY 2020

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(1)

For subgroup definitions, please see Table 1.

6.5 Electrical Characteristics

The specifications shown below correspond to the respectively identified subgroup temperature (see Table 1). V+ = 1.7 V to

3.6 V, unless otherwise noted.

PARAMETER

CONDITIONS

SUBGROUP(1)

MIN

TYP

MAX

UNIT

TEMPERATURE MEASUREMENT

TALOCAL

Local temperature sensor

accuracy

V+ = 1.7 V to 3.6 V

[1, 2, 3]

–2

±0.5

2

°C

TAREMOTE

Remote temperature sensor

accuracy

V+ = 1.7 V to 3.6 V

[1, 2, 3]

–1.5

±0.125

1.5

°C

Temperature sensor error versus

supply (local or remote)

V+ = 1.7 V to 3.6 V

[1, 2, 3]

–0.3

±0.1

0.3

°C/V

Temperature resolution

(local and remote)

0.0625

°C

ADC conversion time

One-shot mode, per channel (local or remote)

[9, 10, 11]

15

17

ms

ADC resolution

[4, 5, 6]

12

Bits

Remote sensor

source current

High

Series resistance 1 k

Ω (max)

[1, 2, 3]

88

120

152

µA

Medium

[1, 2, 3]

33

45

57

Low

[1, 2, 3]

5.5

7.5

9.5

η

Remote transistor ideality factor

TMP461-SP optimized ideality factor

1.008

SERIAL INTERFACE

VIH

High-level input voltage

[1, 2, 3]

1.4

V

VIL

Low-level input voltage

[1, 2, 3]

0.45

V

Hysteresis

200

mV

SDA output-low sink current

[1, 2, 3]

6

mA

VOL

Low-level output voltage

IO = –6 mA

[1, 2, 3]

0.15

0.4

V

Serial bus input leakage current

0 V

≤ VIN ≤ 3.6 V

[1, 2, 3]

–1

1

μA

Serial bus input capacitance

SCL

3

pF

SDA

4.6

pF

Serial bus clock frequency

[9, 10, 11]

2.17

MHz

Serial bus timeout

[9, 10, 11]

20

25

30

ms

DIGITAL INPUTS (A0, A1)

VIH

High-level input voltage

[1, 2, 3]

0.9(V+)

(V+) + 0.3

V

VIL

Low-level input voltage

[1, 2, 3]

–0.3

0.1(V+)

V

Input leakage current

0 V

≤ VIN ≤ 3.6 V

[1, 2, 3]

–1

1

μA

Input capacitance

2.5

pF

DIGITAL OUTPUTS (THERM, ALERT/THERM2)

Output-low sink current

[1, 2, 3]

6

mA

VOL

Low-level output voltage

IO = –6 mA

[1, 2, 3]

0.15

0.4

V

IOH

High-level output leakage current

VO = V+

[1, 2, 3]

1

μA

POWER SUPPLY

V+

Specified supply voltage range

[1, 2, 3]

1.7

3.6

V

IQ

Quiescent current

Active conversion, local sensor

[1, 2, 3]

240

375

µA

Active conversion, remote sensor

[1, 2, 3]

400

600

Standby mode (between conversions)

[1, 2, 3]

15

35

Shutdown mode, serial bus inactive

[1, 2, 3]

3

8

Shutdown mode, serial bus active, fS = 400 kHz

90

Shutdown mode, serial bus active, fS = 2.17 MHz

350

POR

Power-on reset threshold

Rising edge

[1, 2, 3]

1.2

1.55

V