CS42L51-CNZR Cirrus Logic Inc, CS42L51-CNZR Datasheet - Page 53

• Manufacturer Part Number: CS42L51-CNZR
• Description: IC LV Stereo Codec F/Digital Audio Apps
• Manufacturer: Cirrus Logic Inc
• Type: Stereo Audior

Specifications of CS42L51-CNZR

• Data Interface: PCM Audio Interface
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 98 / 98
• Voltage - Supply, Analog: 1.8V, 2.5V
• Voltage - Supply, Digital: 1.8V, 2.5V
• Operating Temperature: -10°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 32-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1005 - BOARD EVAL FOR CS42L51 CODEC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q3956082

DS679A2
6.7
AINB_MUX1
7
ADCx Input Select, Invert & Mute (Address 07h)
ADCX Input Select Bits (AINX_MUX[1:0])
Default: 00
Function:
Selects the specified analog input signal into ADCx. The microphone pre-amplifier is only available when
PDN_PGAx is disabled. See Figure 27.
0
0
1
1
PDN_PGAx AINx_MUX[1:0]
SOFTx
0
0
0
0
1
1
1
1
AINB_MUX0
6
0
1
0
1
ZCROSSx
AIN3x / MICINx
AINA_MUX1
00
01
10
11
00
01
10
11
AIN1x
AIN2x
Volume changes immediately.
Volume changes at next zero cross time.
Volume changes in 0.5 dB steps.
Volume changes in 0.5 dB steps at every
signal zero-cross.
5
AIN1x-->PGAx
AIN2x-->PGAx
AIN3x/MICINx-->PGAx
AIN3x/MICINx-->Pre-Amp
AIN1x
AIN2x
AIN3x/MICINx
Reserved
Figure 27. AIN & PGA Selection
Analog PGA Volume
AINA_MUX0
(PGAx_VOL[4:0])
32 dB
+16/
AINx_MUX[1:0]
4
PDN_PGAx
MUX
Selected Path to ADC
INV_ADCB
3
Decoder
(+16/+32 dB Gain)
PGA
AIN1x
AIN2x
AIN3x
INV_ADCA
Volume changes immediately.
Volume changes immediately.
Change volume in 0.125 dB steps.
Change volume in 0.125 dB steps.
Digital Attenuator (ADCx_ATT[7:0])
2
-->PGAx
MUX
ADCB_MUTE ADCA_MUTE
1
ADC
CS42L51
0
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