TSC2117 datasheet(6/192 Pages) TI

6 / 192 page

ELECTRICAL SPECIFICATIONS

3.1

Absolute Maximum Ratings

TSC2117

Low-Power Audio Codec With Embedded miniDSP, Stereo Class-D

Speaker Amplifier, and Smart Four-Wire Touch-Screen Controller

SLAS550A – APRIL 2009 – REVISED JUNE 2009

www.ti.com

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

(1)

VALUE

UNIT

AVDD to AVSS

–0.3 to 3.9

DVDD to DVSS

–0.3 to 2.5

HVDD to HVSS

–0.3 to 3.9

SLVDD to SLVSS

–0.3 to 6

SRVDD to SRVSS

–0.3 to 6

IOVDD to IOVSS

–0.3 to 3.9

TSVDD to TSVSS

–0.3 to 3.9

VREF to AVSS

AVSS – 0.3 to AVDD

Digital input voltage

IOVSS – 0.3 to IOVDD + 0.3

Analog input voltage

AVSS – 0.3 to AVDD + 0.3

VBAT

–0.3 to 6

Operating temperature range

–40 to 85

°C

Storage temperature range

–55 to 150

°C

Junction temperature (TJ Max)

105

°C

Power dissipation

(TJ Max – TA)/RθJA

QFN package

RθJA Thermal impedance (with thermal pad soldered to board)

°C/W

Lead temperature

Infrared (15 s)

300

°C

(1)

Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating

Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

Table 3-1. System Thermal Characteristics(1)

Power Rating at 25

°C

Derating Factor

Power Rating at 70

°C

Power Rating at 85

°C

3 W

37.04 mW/

°C

1.3 W

0.74 W

(1)

This data was taken using 2-oz. (0.071-mm thick) trace and copper pad that is soldered to a JEDEC high-K, standard 4-layer 3-in.

× 3

in. (7.62-cm

× 7.62-cm) PCB.

ELECTRICAL SPECIFICATIONS

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