ADAU1381BCPZ Analog Devices Inc, ADAU1381BCPZ Datasheet - Page 29
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
The ADC and DAC sampling rate can be set in Register 16407
(0x4017), Converter Control 0, Bits[2:0], converter sampling
rate. The sound engine sampling rate and serial port sampling
rate are similarly set in Register 16619 (0x40EB), sound engine
frame rate, Bits[3:0], sound engine frame rate, and Register
16632 (0x40F8), serial port sampling rate, Bits[2:0], serial port
control sampling rate, respectively.
Table 18 and Table 19 depict example sampling rate settings.
The (1 × 256) case is the base sampling rate.
Rev. B | Page 29 of 84
Table 18. Sampling Rates for 256 × 48 kHz Core Clock
Core Clock
12.288 MHz
Table 19. Sampling Rates for 256 × 44.1 kHz Core Clock
Core Clock
11.2896 MHz
(1 × 256)
(6 × 256)
(4 × 256)
(3 × 256)
(2 × 256)
(1.5 × 256)
(0.5 × 256)
(1 × 256)
(6 × 256)
(4 × 256)
(3 × 256)
(2 × 256)
(1.5 × 256)
(0.5 × 256)
Sampling Rate Divider
Sampling Rate Divider
Sampling Rate
48 kHz
8 kHz
12 kHz
16 kHz
24 kHz
32 kHz
96 kHz
Sampling Rate
44.1 kHz
7.35 kHz
11.025 kHz
14.7 kHz
22.05 kHz
29.4 kHz
88.2 kHz
ADAU1381