tVTEMP

VDD

VTEMP

Valid

tEN

VDD

TOVER

1.3V

Enabled

TOVER

Enabled

LM57-Q1

www.ti.com

SNIS191A – JULY 2015 – REVISED JULY 2015

Electrical Characteristics (continued)

Unless otherwise noted, these specifications apply for VDD = 2.4 to 5.5 V and over free air temperature range. These limits do

not include DC load regulation. These stated accuracy limits are with reference to the values in Table 1.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

HYSTERESIS

5°C hysteresis option (all LM57F for TA ≤

4.7

5

5.4

°C

150°C)

10°C hysteresis option (all LM57T for TA ≤

9.6

10

10.6

°C

150°C)

THYST

Hysteresis temperature

5°C hysteresis option (LM57FSPWQ1); TA =

4.6

5

5.4

°C

150°C to 160°C

10°C hysteresis option (LM57TSPWQ1); TA =

9.4

10

10.6

°C

150°C to 160°C

6.6 Switching Characteristics

Unless otherwise noted, these specifications apply for VDD = 2.4 to 5.5 V over the free air temperature range.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Maximum time from power on

tEN

1.5

ms

to digital output enabled

Maximum time from power on

tVTEMP

to analog temperature

1.5

ms

(VTEMP) valid

Figure 1. Definition of tEN

Figure 2. Definition of tVTEMP

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