TSC2101IRGZG4 datasheet(8/95 Pages) TI

部件名	TSC2101IRGZG4

功能描述	AUDIO CODEC WITH INTEGRATED HEADPHONE, SPEAKER AMPLIFIER AND TOUCH SCREEN CONTROLLER

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制造商	TI [Texas Instruments]

网页	http://www.ti.com

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8 / 95 page

TSC2101

SLAS392D− JUNE 2003 − REVISED MAY 2005

www.ti.com

8

ELECTRICAL CHARACTERISTICS (continued)

At +25°C, AVDD1, AVDD2, DRVDD, IOVDD = 3.3 V, BVDD = 3.9 V, DVDD = 1.8 V, Vref = 2.5 V, Fs (Audio) = 48 kHz, unless otherwise noted

(continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

POWER SUPPLY REQUIREMENTS

Power supply voltage

AVDD1, AVDD2

3

3.3

3.6

V

DRVDD

3

3.3

3.6

V

BVDD

3

4.2

V

IOVDD

Max MCLK = 100 MHz

2

3.6

V

Max MCLK = 50 MHz

1.1

3.6

V

DVDD

1.65

1.8

1.95

V

Touch screen ADC quiescent current

IAVDD1, host controlled AUX1 conversion at

10 ksps with external reference(2)

67

A

Touch-screen ADC quiescent current

IDVDD, host controlled AUX1 conversion at

10 ksps

82

µA

IAVDD1 with loudspeaker output (no signal),

PLL off

3.1

Analog supply current audio play back only

IBVDD with loudspeaker output (no signal),

PLL off

7.5

mA

Analog supply current – audio play back only

IAVDD1 with headphone output (no signal),

VGND off, PLL off

2.5

mA

IDRVDD with headphone output (no signal),

VGND off, PLL off

3.5

Digital supply current – audio play back only

IDVDD, PLL off

2.5

mA

IAVDD1, headset mic, PLL off

5.2

mA

Analog supply current − mic record only(1)

IBVDD, headset mic, PLL off

270

µA

Analog supply current mic record only

IAVDD1, handset mic, PLL off

5.6

mA

Digital supply current – mic record only

IDVDD, PLL off

1.4

mA

Analog supply current

IAVDD2, PLL on

1.3

mA

Digital supply current

IDVDD, PLL on

0.9

mA

Hardware power down

27

Only headset/button detection enabled

50

Total current(2)

Only auto temperature measurement with

5.59 min delay

50

µA

Headset/button detection and auto

temperature measurement with 5.59 min

delay

65

µ

Default current(3)

IAVDD1 + IAVDD2

66

A

Default current(3)

IBVDD

9

µA

(1) Mic record currents measured with no load on MICBIAS.

(2) Current measured with MICBIAS_HED voltage programmed to 2 V (Page 2, Register 1DH, BIt D8=1).

(3) Default currents measured with device in default mode after reset.

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