WM8753LEB/RV WOLFSON [Wolfson Microelectronics plc], WM8753LEB/RV Datasheet - Page 7
![no-image](/images/no-image-200.jpg)
WM8753LEB/RV
Manufacturer Part Number
WM8753LEB/RV
Description
HI FI AND TELEPHONY DUAL CODEC
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8753LEBRV.pdf
(87 pages)
- Current page: 7 of 87
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WM8753L
ELECTRICAL CHARACTERISTICS
w
Test Conditions
DCVDD = 1.5V, AVDD = HPVDD = DBVDD = SPKRVDD = PLLVDD = 3.3V, T
data unless otherwise stated.
PARAMETER
Analogue Inputs (LINE1, LINE2, RXP, RXN)
Full-scale Input Signal Level
(0dB) – note this changes with
AVDD
Input Capacitance
Microphone Preamp Inputs (MIC1, MIC1N, MIC2, MIC2N)
Full-scale Input Signal Level
(0dB) – note this changes with
AVDD
Mic preamp gain range
Mic preamp equivalent input
noise
Input resistance
Input resistance
Input resistance
Input resistance
Input resistance
Recommended decoupling cap
Input Capacitance
Programmable Gain
Programmable Gain Step Size
Mute Attenuation
Automatic Level Control (ALC)
Target Record Level
Gain Hold Time (Note 1)
Gain Ramp-Up (Decay) Time
(Note2)
Gain Ramp-Down (Attack) Time
(Note 2)
LINE1/2 to Analogue to Digital Converter (ADC)
Signal to Noise Ratio (Note 4, 5)
Total Harmonic Distortion
(Note 6)
Channel Separation (Note 7)
LINE1/2 to Voice Analogue to Digital Converter (ADC), fs = 8kHz
Signal to Noise Ratio (Note 4, 5)
Total Harmonic Distortion
(Note 6)
Channel Separation (Note 7)
Digital to Analogue Converter (DAC) to Lineout (LOUT1/2, ROUT1/2, MONO1, MONO2,OUT3 with 10kΩ / 50pF load)
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
(Note 6)
Programmable Gain Amplifier (PGA)
V
C
RXP/N
V
At 30dB gain
R
R
R
R
R
C
C
t
t
t
HOLD
DCY
ATK
INFS
INFS
LINE1/2,
MIC1N,
MIC1N,
MIC1N,
MIC1N,
MIC1,
DECOUP
MICIN
SYMBOL
SNR
THD
R
R
R
R
R
MIC2
MIC2N
MIC2N
MIC2N
MIC2N
Guaranteed Monotonic
A-weighted, 0dB gain
A-weighted, 0dB gain
MCLK = 12.288MHz
TEST CONDITIONS
full-scale, 0dB gain
full-scale, 0dB gain
1kHz input signal
1kHz input signal
Gain set to 30dB
Gain set to 24dB
Gain set to 18dB
Gain set to 12dB
full-scale signal
A-weighted
R
(Note 3)
L
= 10 k
-17.25
-28.5
TBD
0, 2.67, 5.33, 10.67, … , 43691
12
MIN
(time doubles with each step)
(time doubles with each step)
(time doubles with each step)
A
= +25
24, 48, 96, … , 2458
6, 12, 24, … , 6140
o
C, 1kHz signal, fs = 48kHz, 24-bit audio
TBD
0.33
0.75
TBD
177
163
-12
-84
1.0
-82
-74
10
10
18
33
10
95
90
82
90
98
TYP
5
MAX
30
30
AI Rev 3.1 June 2004
Advanced Information
-6
mV rms
V rms
dBV
UNIT
k
ms
ms
ms
pF
dB
uV
k
k
k
k
uF
pF
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
7
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