WM8753 Wolfson Microelectronics plc, WM8753 Datasheet - Page 8

• Manufacturer Part Number: WM8753
• Description: HI FI AND TELEPHONY DUAL CODEC
• Manufacturer: Wolfson Microelectronics plc

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