AD1839AS-REEL Analog Devices Inc, AD1839AS-REEL Datasheet - Page 16

• Manufacturer Part Number: AD1839AS-REEL
• Description: IC CODEC 2ADC/6DAC 24 BIT 52MQFP
• Manufacturer: Analog Devices Inc
• Type: Stereo Audior

Specifications of AD1839AS-REEL

• Rohs Status: RoHS non-compliant
• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 6
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 105 / 108
• Dynamic Range, Adcs / Dacs (db) Typ: 105 / 108
• Voltage - Supply, Analog: 4.5 V ~ 5.5 V
• Voltage - Supply, Digital: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 52-BQFP

AD1839
Pin Name
ASDATA (O)
DSDATA1 (I)
DSDATA2 (I)/AAUXDATA1 (I)
DSDATA3 (I)/AAUXDATA2 (I)
AAUXDATA3 (I)
ALRCLK (O)
ABCLK (O)
DLRCLK (I)/AUXLRCLK(I/O)
DBCLK (I)/AUXBCLK(I/O)
DAUXDATA(O)
(FROM AUX ADC 1)
(FROM AUX ADC 1)
(FROM AUX ADC 1)
(FROM AUX ADC 2)
(FROM AUX ADC 3)
AAUXDATA1 (IN)
AAUXDATA2 (IN)
AAUXDATA3 (IN)
TDM (OUT)
LRCLK I
ASDATA1
DSDATA1
DSDATA1
BCLK I
ASDATA
TDM (IN)
FSTDM
BCLK
TDM
AUX
AUX
2
2
S
S
AUX BCLK FREQUENCY IS 64
MSB TDM
MSB TDM
1ST
1ST
CH
CH
INTERNAL
INTERNAL
ADC L1
DAC L1
32
32
Not Connected
I
I
I
I
I
Not Connected
LRCLK for ADC
BCLK for ADC
LRCLK In/Out Internal DACs
BCLK In/Out Internal DACs
2
2
2
2
Table II. Pin Function Changes in Auxiliary Mode
2
S Mode
S Data Out, Internal ADC
S Data In, Internal DAC1
S Data In, Internal DAC2
S Data In, Internal DAC3
AUX_ADC L2
INTERNAL
DAC L2
I
I
I
2
2
2
S— MSB LEFT
S— MSB LEFT
S— MSB LEFT
FRAME RATE; TDM BCLK FREQUENCY IS 256
Figure 11. Aux Mode Timing
LEFT
AUX_ADC L3
INTERNAL
DAC L3
AUX_ADC L4
–16–
AUX DAC L4
INTERNAL
INTERNAL
Aux Mode
TDM Data Out to SHARC
TDM Data In from SHARC
AUX-I
AUX-I
AUX-I
TDM Frame Sync Out to SHARC (FSTDM)
TDM BCLK Out to SHARC
AUX LRCLK In/Out. Driven by Ext. LRCLK
from ADC in slave mode. In master mode,
driven by MCLK/512.
AUX BCLK In/Out. Driven by Ext. BCLK from
ADC in slave mode. In master mode, driven by
MCLK/8.
AUX-I
DAC R1
ADC R1
2
2
2
2
S Data In 1 (from Ext. ADC)
S Data In 2 (from Ext. ADC)
S Data In 3 (from Ext. ADC)
S Data Out (to Ext. DAC)
FRAME RATE.
AUX_ADC R2
INTERNAL
DAC R2
AUX_ADC R3
INTERNAL
DAC R3
RIGHT
I
I
I
2
2
2
S— MSB RIGHT
S— MSB RIGHT
S— MSB RIGHT
AUX_ADC R4
AUX DAC R4
MSB TDM
MSB TDM
8TH
8TH
CH
CH
REV. B