WM1811A datasheet(13/328 Pages) WOLFSON

tên linh kiện	WM1811A

Giải thích chi tiết về linh kiện	Multi-Channel Audio Hub CODEC for Smartphones

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Production Data

WM1811A

PD, November 2013, Rev 4.1

ELECTRICAL CHARACTERISTICS

INPUT SIGNAL LEVEL

Test Conditions

AVDD1 = 3.0V.

With the exception of the condition(s) noted above, the following electrical characteristics are valid across the full range of

recommended operating conditions.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Full-Scale PGA Input

Signal Level

See notes 1, 2, 3 and 4

Single-ended PGA input

1.0

Vrms

dBV

Differential PGA input

1.0

Vrms

dBV

Full-Scale Line Input

Signal Level

See notes 1, 2, 3 and 4

Single-ended Line input to

MIXINL/R, SPKMIXL/R or

MIXOUTL/R mixers

1.0

Vrms

dBV

Differential mono line

input on VRXP/VRXN to

RXVOICE

1.0

Vrms

dBV

Notes:

1. The full-scale input signal level changes in proportion with AVDD1. It is calculated as AVDD1/3.0.

2. When mixing line inputs, input PGA outputs and DAC outputs the total signal must not exceed 1.0Vrms (0dBV).

3. A 1.0Vrms differential signal equates to 0.5Vrms/-6dBV per input.

4. A sinusoidal input signal is assumed.

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