AD1837AAS-REEL Analog Devices Inc, AD1837AAS-REEL Datasheet - Page 20

• Manufacturer Part Number: AD1837AAS-REEL
• Description: IC CODEC 2ADC/8DAC 24 BIT 52MQFP
• Manufacturer: Analog Devices Inc
• Type: General Purposer

Specifications of AD1837AAS-REEL

• Rohs Status: RoHS non-compliant
• Data Interface: Serial
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 8
• 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
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 3/4.5V
• Single Supply Voltage (max): 5.5V
• Package Type: MQFP
• For Use With: EVAL-AD1837AEB - BOARD EVALUATION FOR AD1837A
• Lead Free Status / Rohs Status: Not Compliant

AD1837A
Register Address
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Address
15, 14, 13, 12 11
0000
Address R/W W W W W RES RES
15, 14,
13, 12
0001
11
0
R/W W W W W
0
10
0
Register Name Description
DACCTRL1
DACCTRL2
DACVOL1
DACVOL2
DACVOL3
DACVOL4
DACVOL5
DACVOL6
DACVOL7
DACVOL8
ADCPeak0
ADCPeak1
ADCCTRL1
ADCCTRL2
ADCCTRL3
Reserved
9
0
RES
10
0
De-emphasis
9, 8
00 = None
01 = 44.1 kHz
10 = 32.0 kHz
11 = 48.0 kHz
Stereo
Replicate
8
0 = Off
1 = Replicate 1 = Mute 1 = Mute 1 = Mute 1 = Mute 1 = Mute 1 = Mute 1 = Mute 1 = Mute
DAC Control 1
DAC Control 2
DAC Volume—Left 1
DAC Volume—Right 1
DAC Volume—Left 2
DAC Volume—Right 2
DAC Volume—Left 3
DAC Volume—Right 3
DAC Volume—Left 4
DAC Volume—Right 4
ADC Left Peak
ADC Right Peak
ADC Control 1
ADC Control 2
ADC Control 3
Reserved
OUTR4
7
0 = On
Table V. Control Register Map
DAC Data Format
7, 6, 5
000 = I
001 = RJ
010 = DSP
011 = LJ
100 = Packed 256
101 = Packed 128
110 = Reserved
111 = Reserved
Table VII. DAC Control 2
Table VI. DAC Control 1
2
S
6
0 = On
OUTL4
–20–
OUTR3
5
0 = On
DAC Data-
Word Width
4, 3
00 = 24 Bits
01 = 20 Bits
10 = 16 Bits
11 = Reserved
Function
Function
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R/W
R/W
R/W
R/W
OUTL3
4
0 = On
MUTE DAC
OUTR2
3
0 = On
Width
10
10
10
10
10
10
10
10
10
10
6
6
10
10
10
10
Power-Down
Reset
2
0 = Normal
1 = Power-Down
2
0 = On
OUTL2
Reset Setting (Hex)
000
000
3FF
3FF
3FF
3FF
3FF
3FF
3FF
3FF
000
000
000
000
000
Reserved
1
0 = On
OUTR1 OUTL1
Sample Rate
1, 0
00 = 48 kHz
01 = 96 kHz
10 = 192 kHz
11 = 48 kHz
0
0 = On
REV. A