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WM8753 Datasheet(PDF) 8 Page - Wolfson Microelectronics plc

Part # WM8753
Description  HI FI AND TELEPHONY DUAL CODEC
PDF  87 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8753 Datasheet(HTML) 8 Page - Wolfson Microelectronics plc

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Advanced Information
WM8753L
w
AI Rev 3.1 June 2004
8
Test Conditions
DCVDD = 1.5V, AVDD = HPVDD = DBVDD = SPKRVDD = PLLVDD = 3.3V, TA = +25
oC, 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)
SNR
A-weighted
TBD
82
dB
RLINE1/2
LINE1/2 input to output
mixer, gain = +6dB
10
k
Ω
RRXP
30
k
Ω
Input Resistance
RRXN
20
k
Ω
Total Harmonic Distortion
(Note 6)
THD
RL = 10 k
Ω
full-scale signal
-74
dB
Tone Control
Bass Boost
-6
0
+9
dB
Bass Boost Step Size
1.5dB
dB
Bass Filter Characteristic
2nd order
Treble Boost
-6
0
+9
dB
Treble Boost Step Size
1.5dB
dB
Treble Filter Characteristic
2nd order
Output Mixers (Left, Right and Mono mix)
PGA gain range into mixer
-15
+6
dB
PGA gain step into mixer
3
dB
Analogue Outputs (L/ROUT1, L/ROUT2, MONO1)
0dB full scale output voltage
AVDD/3.3
Vrms
Programmable Gain range
1kHz signal
-73
+6
dB
Programmable Gain step size
monotonic
1
dB
Mute Attenuation
1kHz, full scale signal
85
dB
Channel Separation
90
dB
Headphone Output (LOUT1/2, OUT3)
HPVDD=1.8V, RL=32
Ω
Po = 5mW
0.013
-78
%
dB
HPVDD=1.8V, RL=16
Ω
Po = 5mW
0.013
- 78
%
dB
HPVDD=3.3V, RL=32
Ω
Po = 20mW
0.01
-80
%
dB
Total Harmonic Distortion
THD
HPVDD=3.3V, RL=16
Ω
Po = 20mW
0.01
-80
%
dB
HPVDD = 3.3V
90
dB
Signal to Noise Ratio
(A-weighted)
SNR
HPVDD = 1.8V
90
dB
Speaker Output (L/ROUT2)
Po=180mW, RL=8Ω,
SPKRVDD=3.3V
-50
0.3
dB
%
Total Harmonic Distortion
THD
Po=400mW, RL=8Ω,
SPKRVDD=3.3V
-40
1
dB
%
SPKRVDD=3.3V,
RL=8Ω
90
dB
Signal to Noise Ratio
(A-weighted)
SNR
SPKRVDD=2.5V,
RL=8Ω
90
dB



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