WM8976 Wolfson Microelectronics Ltd., WM8976 Datasheet - Page 9

• Manufacturer Part Number: WM8976
• Description: The WM8976 is a low power, high quality stereo codec designed for portable applications such as Digital still camera or Digital Camcorde
• Manufacturer: Wolfson Microelectronics Ltd.

Pre-Production
w
Test Conditions
DCVDD=1.8V, AVDD=DBVDD=SPKVDD= 3.3V, T
stated.
PARAMETER
Power Supply Rejection Ratio
(50Hz-22kHz)
Microphone Bias
Bias Voltage
Bias Current Source
Output Noise Voltage
Digital Input / Output
Input HIGH Level
Input LOW Level
Output HIGH Level
Output LOW Level
Input capacitance
Input leakage
SYMBOL
V
I
PSRR
MICBIAS
MICBIAS
V
V
V
Vn
V
OH
OL
IH
IL
A
SPKVDD=5V (boost)
TEST CONDITIONS
= +25
1K to 20kHz
MBVSEL=0
MBVSEL=1
R
R
I
I
OL
o
L
L
OH
C, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise
= 10k
= 10k
=1mA
-1mA
0.7 DBVDD
0.9 DBVDD
MIN
0.65*AVDD
0.9*AVDD
TBD
TBD
TYP
52
56
15
0.3 DBVDD
0.1xDBVDD
MAX
PP Rev 3.0 April 2006
3
WM8976
nV/ Hz
UNIT
mA
dB
dB
pF
pA
V
V
V
V
V
V
9