wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 14
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wm8400
Manufacturer Part Number
wm8400
Description
Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8400.pdf
(208 pages)
- Current page: 14 of 208
- Download datasheet (3Mb)
WM8400
w
Test Conditions
DCVDD = 1.8V, HBVDD = MBVDD = I2CVDD = I2S1VDD = I2S2VDD = AVDD = HPVDD = 3.0V, SPKVDD = 5V,
T
Input Programmable Gain Amplifiers (PGAs) LIN12, LIN34, RIN12 and RIN34
PGA equivalent input noise
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Mute Attenuation
Common Mode Rejection Ratio
(1kHz input)
Received Voice (RXP-RXN) Differential to Single-Ended Converter RXVOICE
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Mute Attenuation
PGA Output Differential to Single Ended Converters DIFFINL and DIFFINR
Fixed Gain
Mute Attenuation
Input Mixers INMIXL and INMIXR
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Minimum Programmable Gain
Maximum Programmable Gain
Programmable Gain Step Size
Mute attenuation
A
= +25
o
C, 1kHz signal, fs = 44.1kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
Line Inputs and Record path to INMIXL and INMIXR
Line Inputs and Record path to INMIXL and INMIXR
Line Inputs and Record path to INMIXL and INMIXR
PGA to output mixers (via AINLMUX or AINRMUX)
Single PGA in differential mode, gain = -16.5dB
Single PGA in differential mode, gain = +30dB
Single PGA in differential mode, gain = 0dB
Differential input to DIFFINL or DIFFINR via
AINLMODE = 01 or AINRMODE = 01
AINLMODE = 01 or AINRMODE = 01
AINLMODE = 01 or AINRMODE = 01
AINLMODE ≠ 01 or AINRMODE ≠ 01
AINLMODE = 10 or AINRMODE = 10
AINLMODE ≠ 10 or AINRMODE ≠ 10
PGA Outputs to INMIXL and INMIXR
PGA Outputs to INMIXL and INMIXR
PGA Outputs to INMIXL and INMIXR
LIN1/LIN3 or RIN1/RIN3, gain = 0dB
PGA to output mixers (directly)
0 to 20kHz, +30dB gain
Guaranteed monotonic
TEST CONDITIONS
PGA to ADC
MIN
-16.5
+30
TYP
150
100
100
100
-12
-12
1.5
30
90
90
90
40
40
40
40
+6
30
+6
3
0
0
3
PP, April 2009, Rev 3.0
MAX
Pre-Production
UNIT
uV
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
14
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