WM8352GEB/V Wolfson Microelectronics, WM8352GEB/V Datasheet - Page 69

• Manufacturer Part Number: WM8352GEB/V
• Description: Audio CODECs Audio CODEC plus pwr management
• Manufacturer: Wolfson Microelectronics

Specifications of WM8352GEB/V

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 48 KSPS
• Interface Type: Serial (2-Wire, 3-Wire, 4-Wire)
• Resolution: 12 bit
• Operating Supply Voltage: 3.7 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: BGA
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Supply Current: 260 uA
• Thd Plus Noise: - 83 dB
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 8
• No. Of Output Channels: 6
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 95dB
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
w
IN2L
INR2
right microphone
13.4.7
The WM8352 has mixers in the input signal paths. This allows each ADC to record either a single
input signal or a mix of several signals, as desired. The gain for the different input signals can also
be adjusted. Each input mixer has four inputs:
•
•
•
•
Figure 39 Input Mixers
left microphone
IN3R amplifier
IN3L amplifier
pre-amplifier
pre-amplifier
OUT4 mixer
Output from
Output from
Output from
Output from
Output from
the output of the respective (left/right) microphone pre-amplifier
the IN2L and IN2R pins (used as a line input, bypassing the microphone pre-amplifiers)
the output of the respective (left/right) auxiliary input buffer (ie. inputs IN3L or IN3R)
the output of the OUT4 amplifier (only one input mixer at a time can take this signal)
INPUT MIXERS
OUT4_MIXIN_VOL, R100[3:1]
-12dB to + 6dB,
-12dB to + 6dB
-12dB to + 6dB,
-12dB to + 6dB
-12dB to + 6dB
and mute
0dB or +20dB
and mute
and mute
and mute
and mute
0dB or +20dB
IN3R_MIXINR_VOL, R99[15:13]
INL_MIXINL_VOL, R98[0]
IN3L_MIXINL_VOL, R98[11:9]
INR2_MIXINR_VOL, R99[7:5]
IN2L_MIXINL_VOL, R98[3:1]
INR_MIXINR_VOL, R99[0]
OUT4_MIXIN_DST,
R100[15]
-1
-1
PD, March 2010, Rev 4.2
Left ADC input
OUT3 mixer
Right ADC input
OUT4 mixer
WM8352
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