ADAU1381BCPZ Analog Devices Inc, ADAU1381BCPZ Datasheet - Page 72
ADAU1381BCPZ
Manufacturer Part Number
ADAU1381BCPZ
Description
IC AUDIO CODEC STEREO LN 32LFCSP
Manufacturer
Analog Devices Inc
Type
Stereo Audior
Datasheet
1.ADAU1381BCBZ-RL.pdf
(84 pages)
Specifications of ADAU1381BCPZ
Data Interface
Serial, SPI™
Resolution (bits)
24 b
Number Of Adcs / Dacs
2 / 2
Sigma Delta
No
S/n Ratio, Adcs / Dacs (db) Typ
97 / 100
Dynamic Range, Adcs / Dacs (db) Typ
96.5 / 100
Voltage - Supply, Analog
1.8 V ~ 3.65 V
Voltage - Supply, Digital
1.63 V ~ 3.65 V
Operating Temperature
-25°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-VFQFN, CSP Exposed Pad
Audio Codec Type
Stereo
No. Of Adcs
2
No. Of Dacs
2
No. Of Input Channels
3
No. Of Output Channels
3
Adc / Dac Resolution
24bit
Adcs / Dacs Signal To Noise Ratio
100dB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ADAU1381
Register 16430 (0x402E), Serial Port Pad Control 1
Bit 3, ADC_SDATA Pin Drive Strength
This bit sets the drive strength of the ADC_SDATA pin. Low mode
yields 2 mA when IOVDD = 3.3 V, or 0.75 mA when IOVDD =
1.8 V. High mode yields 4 mA when IOVDD = 3.3 V, or 1.5 mA
when IOVDD = 1.8 V.
Bit 2, DAC_SDATA Pin Drive Strength
This bit sets the drive strength of the DAC_SDATA pin. Low mode
yields 2 mA when IOVDD = 3.3 V, or 0.75 mA when IOVDD =
1.8 V. High mode yields 4 mA when IOVDD = 3.3 V, or 1.5 mA
when IOVDD = 1.8 V.
Table 60. Serial Port Pad Control 1 Register
Bits
[7:4]
3
2
1
0
Description
Reserved
ADC_SDATA pin drive strength
0: low
1: high
DAC_SDATA pin drive strength
0: low
1: high
LRCLK pin drive strength
0: low
1: high
BCLK pin drive strength
0: low
1: high
Rev. B | Page 72 of 84
Bit 1, LRCLK Pin Drive Strength
This bit sets the drive strength of the LRCLK pin. Low mode yields
2 mA when IOVDD = 3.3 V, or 0.75 mA when IOVDD = 1.8 V.
High mode yields 4 mA when IOVDD = 3.3 V, or 1.5 mA when
IOVDD = 1.8 V.
Bit 0, BCLK Pin Drive Strength
This bit sets the drive strength of the BCLK pin. Low mode yields
2 mA when IOVDD = 3.3 V, or 0.75 mA when IOVDD = 1.8 V.
High mode yields 4 mA when IOVDD = 3.3 V, or 1.5 mA when
IOVDD = 1.8 V.
Default
0
0
0
0