AD1836AASZ Analog Devices Inc, AD1836AASZ Datasheet - Page 19

• Manufacturer Part Number: AD1836AASZ
• Description: IC CODEC 4ADC/6DAC 24 BIT 52MQFP
• Manufacturer: Analog Devices Inc
• Type: General Purposer

Specifications of AD1836AASZ

• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 4 / 6
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 105 / 108
• Dynamic Range, Adcs / Dacs (db) Typ: 105 / 108
• Voltage - Supply, Analog: 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 52-BQFP
• Audio Codec Type: Stereo
• No. Of Adcs: 4
• No. Of Dacs: 6
• No. Of Input Channels: 4
• No. Of Output Channels: 6
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 108dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AD1836AZ-DBRD - BOARD EVAL FOR AD1836AAD1836A-DBRD - BOARD EVAL FOR AD1836A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

SPI CONTROL REGISTERS
Note that all control registers default to zero at power-up.
Table 12. Serial SPI Word Format
Register Address
15:12
4 Bits
Table 13. Register Addresses and Functions
Register Address
Bit 15
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Table 14. DAC Control Register 1
Packed Mode: Eight channels are “packed” in DSDATA1 serial input. Packed Mode 128: Refer to Figure 7. Packed Mode 256: Refer to Figure 8.
Address
15, 14, 13, 12
0000
Bit 14
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
11
0
RD/WR
Bit 13
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Reserved
10
0
Bit 12
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Function
De-emphasis
9, 8
00 = None
01 = 44.1 kHz
10 = 32.0 kHz
11 = 48.0 kHz
Read/Write
11
1 = Read
0 = Write
RD/WR
Bit 11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Serial Mode
7, 6, 5
000 = I
001 = RJ
010 = DSP
011 = LJ
100 = Packed Mode 256
101 = Packed Mode 128
110 = Reserved
111 = Reserved
Rev. 0 | Page 19 of 24
2
S
Reserved
Bit 10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reserved
10
0
Data-Word
Width
4, 3
00 = 24 Bits
01 = 20 Bits
10 = 16 Bits
11 = Reserved
Function
Bits 9:0
DAC Control 1
DAC Control 2
DAC1L Volume
DAC1R Volume
DAC2L Volume
DAC2R Volume
DAC3L Volume
DAC3R Volume
ADC1L—Peak Level (Read-Only)
ADC1R—Peak Level (Read-Only)
ADC2L—Peak Level (Read-Only)
ADC2R—Peak Level (Read-Only)
ADC Control 1
ADC Control 2
ADC Control 3
Reserved
Power-Down
2
0 = Normal
1 = PWRDWN
Data Field
9:0
10 Bits
Interpolator
Mode
1
0 = 8× (48 kHz)
1 = 4× (96 kHz)
AD1836A
Reserved
0
0