LMT70, LMT70A

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SNIS187A – MARCH 2015 – REVISED JULY 2015

8.5 Electrical Characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TEMPERATURE ACCURACY

VDD = 2.7 V

-0.33

0.33

VDD = 2.7 V

–0.27

0.27

TAO accuracy

VDD = 2.7 V

–0.2

0.2

(These stated accuracy limits

VDD = 2.7 V

–0.18

0.18

are with reference to the values

in Electrical Characteristics

VDD = 2.7 V

–0.13

±0.05

0.13

°C

Temperature Lookup Table

VDD = 2.7 V

-0.15

0.15

(LUT), LMT70 temperature-to-

VDD = 2.7 V

–0.20

0.20

VDD = 2.7 V

–0.23

0.23

VDD = 2.7 V

–0.36

0.36

Accuracy temperature

VDD = 2.7V

-2.6

+2.6

m°C/°C

ATC

coefficient (note, uses end point

–55°C

–9

–2

8

to 4.0 V

VDD = 2.0 V to 4.0

Accuracy power supply

10°C

V

APSS

sensitivity (note uses end point

m°C /V

calculations)

120°C

VDD = 2.0 V to 4.0

–15

8

150°C

V

VDD = 4 V to 5.5 V

–30

–12

0

Output Voltage

VDD = 2.7 V

943.227

mV

Sensor gain

–5.194

mV/°C

0.1

°C

Matching of two adjacent parts

30°C

in tape and reel for

2.5

m°C /°C

LMT70AYFQR, LMT70AYFQT

150°C

only (see curve Figure 19 for

specification at other

-2.5

–2.5

10k hours at 90°C

–0.1

±0.01

0.1

°C

ANALOG OUTPUT

Operating output voltage

0 µA

0

0.4

mV

change with load current

-5 µA

-0.4

0

mV

ROUT

Output Resistance

28

80

Ω

TAO Off Leakage Current

0.005

0.5

µA

-0.5

-0.005

Output Load Capacitance

1100

pF

(1)

Accuracy is defined as the error between the measured and reference output voltages, tabulated in the Conversion Table at the

specified conditions of supply voltage and temperature (expressed in °C). These stated accuracy limits are with reference to the values

in Electrical Characteristics Temperature Lookup Table (LUT), see Accuracy Curve for other temperatures. Accuracy limits do not

include load regulation or aging; they assume no DC load.

(2)

The accuracy temperature coefficient specification is given to indicate part to part performance and does not correlate to the limits given

in the curve Figure 3.

(3)

In order to meet the matching specification of the LMT70A, two units must be picked from adjacent positions from one tape and reel. If

PCB rework is required, involving the LMT70A, then the pair of the LMT70A matched units must be replaced. Matching features (which

include, without limitation, electrical matching characteristics of adjacent Components as they are delivered in original packaging from

TI) are warranted solely to the extent that the purchaser can demonstrate to TI’s satisfaction that the particular Component(s) at issue

were adjacent in original packaging as delivered by TI. Customers should be advised that the small size of these Components means

they are not individually traceable at the unit level and it may be difficult to establish the original position of the Components once they

have been removed from that original packaging as delivered by TI.

(4)

Determined using accelerated operational life testing at 150°C junction temperature; not tested during production.

Copyright © 2015, Texas Instruments Incorporated

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