CDB53L21 Cirrus Logic Inc, CDB53L21 Datasheet - Page 47

• Manufacturer Part Number: CDB53L21
• Description: BOARD EVAL FOR CS53L21 ADC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB53L21

• Number Of Adc's: 2
• Number Of Bits: 24
• Sampling Rate (per Second): 96k
• Data Interface: Serial
• Inputs Per Adc: 3 Single Ended
• Input Range: ±2.5 V
• Power (typ) @ Conditions: 22.45mW @ 48kSPS, 2.5 V
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -10°C ~ 70°C
• Utilized Ic / Part: CS53L21
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1550

DS700PP1
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
ADCX Invert Signal Polarity (INV_ADCX)
Default: 0
0 - Disabled
1 - Enabled
Function:
When enabled, this bit will invert the signal polarity of the ADC x channel.
ADCX Channel Mute (ADCX_MUTE)
Default: 0
0 - Disabled
1 - Enabled
Function:
The output of channel x ADC will mute when enabled. The muting function is affected by the ADCx Soft bit
(SOFT).
PDN_PGAx AINx_MUX[1:0]
0
0
0
0
1
1
1
1
AINB_MUX0
6
AIN3x / MICINx
AINA_MUX1
00
01
10
11
00
01
10
11
AIN1x
AIN2x
5
Figure
AIN1x-->PGAx
AIN2x-->PGAx
AIN3x/MICINx-->PGAx
AIN3x/MICINx-->Pre-Amp
AIN1x
AIN2x
AIN3x/MICINx
Reserved
Figure 21. AIN & PGA Selection
AINA_MUX0
21.
32 dB
+16/
AINx_MUX[1:0]
4
PDN_PGAx
MUX
Selected Path to ADC
INV_ADCB
3
(+16/+32 dB Gain)
Decoder
PGA
AIN1x
AIN2x
AIN3x
INV_ADCA
2
-->PGAx
MUX
ADCB_MUTE ADCA_MUTE
1
ADC
CS53L21
0
47