TSC2007 datasheet(5/43 Pages) TI2

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TSC2007-Q1

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SBAS545A – SEPTEMBER 2011 – REVISED DECEMBER 2016

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(1)

LSB means Least Significant Bit. With VDD/REF pin = 1.6 V, one LSB is 391 µV.

(2)

Not production tested. Specified by design.

(3)

Exceeding 50-mA source current may result in device degradation.

(4)

Difference between TEMP1 and TEMP2 measurement; no calibration necessary.

(5)

Temperature drift is –2.1 mV/°C.

6.5 Electrical Characteristics

TA = –40°C to 85°C, VDD = 1.2 V to 3.6 V (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

AUXILIARY ANALOG INPUT

Input voltage range

VDD

Input capacitance

Input leakage current

–1

µA

A-D CONVERTER

Resolution

Programmable: 8 bits or 12 bits

Bits

No missing codes

12-bit resolution

Bits

Integral linearity

±1.5

LSB(1)

Offset error

VDD = 1.8 V

–1.2

LSB

VDD = 3 V

–3.1

LSB

Gain error

VDD = 1.8 V

0.7

LSB

VDD = 3 V

0.1

LSB

TOUCH SENSORS

PENIRQ pullup resistor, RIRQ

TA = 25°C, VDD = 1.8 V, command 1011 set 0000

kΩ

TA = 25°C, VDD = 1.8 V, command 1011 set 0001

kΩ

Switch ON

‑resistance

Y+, X+

Y–, X–

Switch drivers drive current(2)(3)

100-ms duration

INTERNAL TEMPERATURE SENSOR

Temperature range

–40

°C

Resolution

Differential method(4)

VDD = 3 V

1.94

°C/LSB

VDD = 1.6 V

1.04

°C/LSB

TEMP1(5)

VDD = 3 V

0.35

°C/LSB

VDD = 1.6 V

0.19

°C/LSB

Accuracy

Differential method(4)

VDD = 3 V

±2

°C/LSB

VDD = 1.6 V

±2

°C/LSB

TEMP1(5)

VDD = 3 V

±3

°C/LSB

VDD = 1.6 V

±3

°C/LSB

INTERNAL OSCILLATOR

Internal clock frequency, fCCLK

8-Bit

VDD = 1.2 V

3.19

MHz

VDD = 1.8 V

3.66

MHz

VDD = 2.7 V

3.78

MHz

VDD = 3.6 V

3.82

MHz

12-Bit

VDD = 1.2 V

1.6

MHz

VDD = 1.8 V

1.83

MHz

VDD = 2.7 V

1.88

MHz

VDD = 3.6 V

1.91

MHz

Frequency drift

VDD = 1.6 V

0.0056

%/°C

VDD = 3 V

0.012

%/°C

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