WM8983GEFL/RV Wolfson Microelectronics, WM8983GEFL/RV Datasheet - Page 12

• Manufacturer Part Number: WM8983GEFL/RV
• Description: Audio CODECs Mbl Multimedia CODEC w/ 1W Speaker Driver
• Manufacturer: Wolfson Microelectronics

Specifications of WM8983GEFL/RV

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C

WM8983
w
Test Conditions
DCVDD=1.8V, AVDD1=AVDD2=DBVDD=3.3V, T
PARAMETER
Channel Separation
LIN and RIN into input PGA Bypass to LOUT1 and ROUT1 into 10kΩ / 50pF loads
BYPLMIXVOL, BYPRMIXVOL, LOUT1VOL and ROUT1VOL = 0dB
Full-scale output voltage, 0dB gain
SIGNAL TO NOISE RATIO
Total Harmonic Distortion
Total Harmonic Distortion + Noise
Channel separation
Speaker Output (LOUT2, ROUT2 with 8Ω bridge tied load, INVROUT2=1)
Full scale output voltage, 0dB gain.
Output Power
Total Harmonic Distortion
Signal to Noise Ratio
Power Supply Rejection Ratio
(50Hz-22kHz)
Microphone Bias
Bias Voltage
Bias Current Source
Output Noise Voltage
6
6
4
3
5
7
SNR
SYMBOL
THD+N
PSRR
THD
THD
SNR
P
O
A
= +25
R
for V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
AVDD1=AVDD2=3.3V
AVDD1=AVDD2=2.5V
P
P
P
P
L
1kHz full scale signal
o
TEST CONDITIONS
O
O
O
O
= 8Ω BTL AVDD2=5V
C, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated.
full-scale signal
full-scale signal
full-scale signal
full-scale signal
=200mW, R
=320mW, R
=500mW, R
=860mW, R
SPKBOOST=0
SPKBOOST=1
22Hz to 22kHz
22Hz to 22kHz
1kHz to 20kHz
MICBIAS
AVDD2=3.3V,
AVDD2=3.3V
AVDD2=3.3V
R
AVDD2=5V,
AVDD2=5V
AVDD2=5V
MBVSEL=0
MBVSEL=1
A-weighted
A-weighted
Output power is very closely correlated with THD; see below
L
R
R
(boost)
= 8Ω BTL
L
L
= 8Ω
= 8Ω
within +/-3%
L
L
L
L
= 8Ω,
= 8Ω,
= 8Ω,
= 8Ω,
MIN
90
0.65*AVDD1
AVDD1/3.3
0.9*AVDD1
(AVDD2/
AVDD2/
3.3)*1.5
95.5
93.5
0.04
0.02
TYP
100
100
100
-87
-69
-85
-68
3.3
-68
1.0
-40
-74
1.0
-40
96
90
90
80
69
15
PD Rev 4.0 November 2006
MAX
-75
-73
3
Production Data
nV/√Hz
dBFS
dBFS
dBFS
dBFS
Vrms
UNIT
V
mA
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
%
%
%
V
V
rms
12