ADAU1381BCPZ Analog Devices Inc, ADAU1381BCPZ Datasheet - Page 46

• Manufacturer Part Number: ADAU1381BCPZ
• Description: IC AUDIO CODEC STEREO LN 32LFCSP
• Manufacturer: Analog Devices Inc
• Type: Stereo Audior

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
Table 32. PLL Control Register
Bits
[47:40]
[39:32]
[31:24]
[23:16]
15
[14:11]
[10:9]
8
[7:2]
1
0
Description
Denominator MSB
00000000 and 00000000: M[15:8] and M[7:0] = 0
…
00000000 and 11111101: M[15:8] and M[7:0] = 125
…
11111111 and 11111111: M[15:8] and M[7:0] = 65,535
Denominator LSB
00000000 and 00000000: M[15:8] and M[7:0] = 0
…
00000000 and 11111101: M[15:8] and M[7:0] = 125
…
11111111 and 11111111: M[15:8] and M[7:0] = 65,535
Numerator MSB
00000000 and 00000000: N[15:8] and N[7:0] = 0
…
00000000 and 00001100: N[15:8] and N[7:0] = 12
…
11111111 and 11111111: N[15:8] and N[7:0] = 65,535
Numerator LSB
00000000 and 00000000: N[15:8] and N[7:0] = 0
…
00000000 and 00001100: N[15:8] and N[7:0] = 12
…
11111111 and 11111111: N[15:8] and N[7:0] = 65,535
Reserved
Integer
0010: R = 2
0011: R = 3
0100: R = 4
0101: R = 5
0110: R = 6
0111: R = 7
1000: R = 8
Input divider
00: no division
01: divide by X = 2
10: divide by X = 3
11: divide by X = 4
PLL type
0: integer-N
1: fractional
Reserved
PLL lock (read only)
0: unlocked
1: locked (sticky bit)
PLL enable
0: disabled
1: enabled
Rev. B | Page 46 of 84
Default
00000111
01010011
00000010
10000111
0011
00
1
1
1