Advanced Information
WM8753L
Test Conditions
DCVDD = 1.5V, AVDD = HPVDD = DBVDD = SPKRVDD = PLLVDD = 3.3V, T
A
= +25
o
C, 1kHz signal, fs = 48kHz, 24-bit audio
data unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Voice Digital to Analogue Converter (DAC) to Lineout (LOUT1/2, ROUT1/2, MONO1, MONO2,OUT3 with 10kΩ / 50pF
load), fs = 8kHz
Signal to Noise Ratio
(A-weighted)
Input Resistance
SNR
R
LINE1/2
R
RXP
R
RXN
Total Harmonic Distortion
(Note 6)
Tone Control
Bass Boost
Bass Boost Step Size
Bass Filter Characteristic
Treble Boost
Treble Boost Step Size
Treble Filter Characteristic
Output Mixers (Left, Right and Mono mix)
PGA gain range into mixer
PGA gain step into mixer
Analogue Outputs (L/ROUT1, L/ROUT2, MONO1)
0dB full scale output voltage
Programmable Gain range
Programmable Gain step size
Mute Attenuation
Channel Separation
Headphone Output (LOUT1/2, OUT3)
Total Harmonic Distortion
THD
HPVDD=1.8V, R
L
=32Ω
Po = 5mW
HPVDD=1.8V, R
L
=16Ω
Po = 5mW
HPVDD=3.3V, R
L
=32Ω
Po = 20mW
HPVDD=3.3V, R
L
=16Ω
Po = 20mW
Signal to Noise Ratio
(A-weighted)
Speaker Output (L/ROUT2)
Total Harmonic Distortion
THD
Po=180mW, RL=8Ω,
SPKRVDD=3.3V
Po=400mW, RL=8Ω,
SPKRVDD=3.3V
Signal to Noise Ratio
(A-weighted)
SNR
SPKRVDD=3.3V,
RL=8Ω
SPKRVDD=2.5V,
RL=8Ω
-50
0.3
-40
1
90
90
dB
%
dB
%
dB
dB
SNR
HPVDD = 3.3V
HPVDD = 1.8V
90
90
0.013
-78
0.013
- 78
0.01
-80
0.01
-80
%
dB
%
dB
%
dB
%
dB
dB
dB
1kHz signal
monotonic
1kHz, full scale signal
-73
1
85
90
AVDD/3.3
+6
Vrms
dB
dB
dB
dB
-15
3
+6
dB
dB
-6
-6
0
1.5dB
2nd order
0
1.5dB
2nd order
+9
dB
dB
+9
dB
dB
THD
R
L
= 10 kΩ
full-scale signal
A-weighted
LINE1/2 input to output
mixer, gain = +6dB
TBD
10
30
20
-74
82
dB
kΩ
kΩ
kΩ
dB
w
AI Rev 3.1 June 2004
8
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
