ELECTRICAL CHARACTERISTICS

TMP122-EP

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Temperature

Range

-55

125

°C

input

-25°C to 85°C

±0.5

±1.5

Accuracy (temperature error)

-55°C to 125°C

±1.0

±2.0

°C

-55°C to 150°C

±1.5

vs supply

0.1

°C/V

Selectable

±0.0625

°C

Digital

0.7 (V+)

V

input/output

0.3 (V+)

V

Input current, SO/I, SCK, CS

0 V

±1

µA

0.4

V

(V+) - 0.4

V

0.4

V

Leakage current ALERT

0 V

±1

µA

Input capacitance, SO/I, SCK, CS,

2.5

pF

ALERT

Reolution

Selectable

9 to 12 + sign

bits

Conversion time

9 bit + sign

30

40

10 bit + sign

60

80

ms

11 bit + sign

120

160

12 bit + sign

240

320

Power supply

Operating range

2.7

5.5

V

Serial bus inactive

50

75

µA

Serial bus inactive

0.1

1

Temperature

Specified range

-55

125

range

Operating range

-55

150

°C

Storage range

-60

150

Thermal resistance,

θ

JA

SOT23-6

200

°C/W

surface-mount

(1)

Specified for 12-bit resolution.

Copyright © 2008, Texas Instruments Incorporated

Submit Documentation Feedback

3

Product Folder Link(s): TMP122-EP