PCM3793RHB BURR-BROWN [Burr-Brown Corporation], PCM3793RHB Datasheet - Page 49

• Manufacturer Part Number: PCM3793RHB
• Description: 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

IDX[6:0]: 101 0111b (57h): Register 87
AD2S: Differential Amplifier Selector (MUX3 and MUX4)
Default value: 0
The PCM3793/94 has stereo single-input amplifiers (PG1, PG2) and a monaural differential-input amplifier (D2S)
which can be used as ADC inputs. MUX3 and MUX4 can be selected as the monaural differential input by
setting AD2S = 1.
AIL[1:0]: AIN1L, AIN2L, and AIN3L Selector (MUX1)
Default value: 00
This bit is used to select one of the three analog inputs, AIN1L, AIN2L, or AIN3L.
AIR[1:0]: AIN1R, AIN2R, and AIN3R Selector (MUX2)
Default value: 00
This bit is used to select one of the three stereo analog inputs, AIN1R, AIN2R, or AIN3R.
Register 87
AD2S = 0
AD2S = 1
AIL[1:0]
0 0
0 1
1 0
1 1
AIR[1:0]
0 0
0 1
1 0
1 1
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B15
0
IDX6
B14
IDX5
B13
IDX4
B12
Single-input amplifiers (default)
Differential-input amplifier
AIN L-channel Select
Disconnect (default)
AIN1L
AIN2L
AIN3L
AIN R-channel Select
Disconnect (default)
AIN1R
AIN2R
AIN3R
IDX3
B11
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IDX2
B10
IDX1
B9
IDX0
B8
AD2S
B7
RSV
B6
SLES193A – AUGUST 2006 – REVISED SEPTEMBER 2006
AIR1
B5
AIR0
B4
RSV
B3
RSV
B2
AIL1
PCM3793
PCM3794
B1
AIL0
B0
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