STW5094 datasheet(22/37 Pages) STMICROELECTRONICS

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STw5094

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ABSOLUTE MAXIMUM RATINGS

OPERATIVE SUPPLY VOLTAGES

TIMING SPECIFICATIONS (unless otherwise specified, VCCIO = 1.8V to 3.3V,Tamb = -30°C to 85°C; typical

characteristics are specified at VCCIO =3.0V, Tamb = 25 °C; all signals are referenced to GND, see next Note

for timing definitions)

NOTICE: All timing specifications subject to change.

OCK and Audio Interface Signals Timing

MCLK and AUXCLK Timing

Parameter

Value

Unit

VCC to GND

4.6

Voltage at MIC (VCC ≤ 3.3V)

VCC +0.5 to GND -0.5

Current at LSP/N

± 240

Current at HPR,HPL

± 100

Current at any digital output

± 50

Voltage at any digital input (VCCIO ≤ 3.3V); limited at ± 50mA

VCCIO + 0.5 to GND -0.5

Storage temperature range

- 65 to + 150

°C

Symbol

Min.

Max.

Unit

VCC =VCCA =VCCP

2.7

3.3

VCCIO

1.8

VCC

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

fOCK

Frequency of OCK

(frequency depends on the

selected Audio sample rate in

CR6)

Audio Fs 8kHz or 16kHz

Audio Fs 11.025kHz or 22.05kHz

Audio Fs 12kHz or 24kHz

Audio Fs 32kHz

Audio Fs 44.1kHz

Audio Fs 48kHz

4.096

5.6648

6.144

8.192

11.2896

12.288

MHz

tHOCK

Period of OCK high

Measured from VIH to VIH

tLOCK

Period of OCK low

Measured from VIL to VIL

tDAI

Delay of SCK,SDI and LRCK from

OCK active edge

020

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

fMCLK

Frequency of MCLK, AUXCLK

Frequency is programmable with

bits F in CR0

512

1.536

2.048

2.560

kHz

MHz

tWMH

Period of MCLK, AUXCLK high

Measured from VIH to VIH

150

tWML

Period of MCLK, AUXCLK low

Measured from VIL to VIL

150

tRM

Rise Time of MCLK, AUXCLK

Measured from VIL to VIH

tFM

Fall Time of MCLK, AUXCLK

Measured from VIH to VIL

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