WM8510GEDS/V データシートの表示（PDF） - Wolfson Microelectronics plc
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WM8510GEDS/V Datasheet PDF : 81 Pages
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WM8510
Production Data
ELECTRICAL CHARACTERISTICS
Test Conditions
DCVDD = 1.8V, AVDD = DBVDD = 3.3V, SPKVDD = 3.3V, TA = +25oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless
otherwise stated.
PARAMETER
SYMBOL TEST CONDITIONS
Microphone Inputs (MICN, MICP)
Full-scale Input Signal Level
(Note 1) – note this changes
with AVDD
VINFS
PGABOOST = 0dB
INPPGAVOL = 0dB
Mic PGA equivalent input noise
At 35.25dB
gain
Input resistance
RMICIN
Gain set to 35.25dB
Input resistance
RMICIN
Gain set to 0dB
Input resistance
RMICIN
Gain set to -12dB
Input resistance
RMICIP
MICP2INPPGA = 1
Input Capacitance
CMICIN
Recommended coupling cap
CCOUP
MIC Input Programmable Gain Amplifier (PGA)
Programmable Gain
Programmable Gain Step Size
Guaranteed monotonic
Mute Attenuation
Selectable Input Gain Boost (0/+20dB)
Gain Boost
Automatic Level Control (ALC)/Limiter – ADC only
Target Record Level
Programmable Gain
Programmable Gain Step Size
Guaranteed Monotonic
Gain Hold Time (Note 2)
tHOLD
MCLK=12.288MHz
(Note 4)
Gain Ramp-Up (Decay) Time
tDCY
(Note 3)
Gain Ramp-Down (Attack) Time
tATK
(Note 3)
Analogue to Digital Converter (ADC)
Signal to Noise Ratio (Note 5)
SNR
Total Harmonic Distortion
(Note 6)
THD
ALCMODE=0 (ALC),
MCLK=12.288MHz
(Note 4)
ALCMODE=1 (limiter),
MCLK=12.288MHz
(Note 4)
ALCMODE=0 (ALC),
MCLK=12.288MHz
(Note 4)
ALCMODE=1 (limiter),
MCLK=12.288MHz
(Note 4)
A-weighted, 0dB PGA
gain
-1dBFS input, 0dB PGA
gain
MIN
TYP
MAX
1.0
0
150
1.6
47
75
94
10
220
-12
35.25
0.75
108
0
20
-28.5
-6
-12
35.25
0.75
0, 2.67, 5.33, 10.67, … , 43691
(time doubles with each step)
3.3, 6.6, 13.1, … , 3360
(time doubles with each step)
0.73, 1.45, 2.91, … , 744
(time doubles with each step)
0.83, 1.66, 3.33, … , 852
(time doubles with each step)
0.18, 0.36, 0.73, … , 186
(time doubles with each step)
87
90
-80
-65
UNIT
Vrms
dBV
uV
kΩ
kΩ
kΩ
kΩ
pF
pF
dB
dB
dB
dB
dB
dB
dB
ms
ms
ms
dB
dB
w
PD Rev 4.1 December 2006
6
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