WM8960GEFLSLASHV datasheet(8/88 Pages) WOLFSON

8 / 88 page

WM8960

Preliminary Technical Data

PTD, September 2006, Rev 2.0

Test Conditions

DCVDD = 1.8V, DBVDD = 3.3V, AVDD = SPKVDD1 = SPKVDD2 = 3.3V, TA = +25

oC, 1kHz signal, fs = 48kHz, PGA gain =

0dB, 24-bit audio data unless otherwise stated.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Headphone Output (HP_L, HP_R, using capacitors unless otherwise specified)

Output Power per channel

Output power is very closely correlated with THD; see below.

AVDD=2.7V, RL=32

Ω

PO=5mW

0.013

-78

AVDD=2.7V, RL=16

Ω

PO=5mW

0.018

-75

AVDD=3.3V, RL=32

Ω,

PO=20mW

0.025

-72

AVDD=3.3V, RL=16

Ω,

PO=20mW

0.032

-70

AVDD=2.7V, RL=32

Ω

PO=5mW; Capless mode

0.013

-78

AVDD=2.7V, RL=16

Ω

PO=5mW; Capless mode

0.018

-75

AVDD=3.3V, RL=32

Ω,

PO=20mW; Capless mode

0.025

-72

Total Harmonic Distortion Plus

Noise

THD+N

AVDD=3.3V, RL=16

Ω,

PO=20mW; Capless mode

0.032

-70

AVDD = 3.3V

AVDD = 2.7V

AVDD = 3.3V;

Capless mode

Signal to Noise Ratio

(A-weighted)

SNR

AVDD = 2.7V;

Capless mode

Speaker Outputs (DAC to SPK_LP, SPK_LN, SPK_RP, SPK_RN with 8

Ω bridge tied load)

Output Power

Output power is very closely correlated with THD; see below

PO =200mW, RL = 8

Ω,

SPKVDD1=SPKVDD2

=3.3V; AVDD=3.3V

0.01

-80

PO =320mW, RL = 8

Ω,

SPKVDD1=SPKVDD2

=3.3V; AVDD=3.3V

0.03

-72

PO =500mW, RL = 8

Ω,

SPKVDD1=SPKVDD2

=5V; AVDD=3.3V

0.011

-79

Total Harmonic Distortion Plus

Noise

(DAC to speaker outputs)

THD+N

PO =1W, RL = 8

Ω,

SPKVDD1=SPKVDD2

=5V; AVDD=3.3V

0.03

-71

WM8960GEFL/V Datasheet(PDF) 8 Page - Wolfson Microelectronics plc

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