AD1887JST-REEL Analog Devices Inc, AD1887JST-REEL Datasheet - Page 7

• Manufacturer Part Number: AD1887JST-REEL
• Description: IC CODEC STEREO 16BIT 48-TQFP
• Manufacturer: Analog Devices Inc
• Series: SoundMAX®r
• Type: Audio Codec '97r

Specifications of AD1887JST-REEL

• Rohs Status: RoHS non-compliant
• Data Interface: Serial
• Resolution (bits): 16 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 87 / 90
• Voltage - Supply, Analog: 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 3.15 V ~ 3.45 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP

Digital I/O
Pin Name
XTL_IN
XTL_OUT
SDATA_OUT
BIT_CLK
SDATA_IN
SYNC
RESET
Chip Selects
Pin Name
ID0
ID1
Analog I/O
These signals connect the AD1887 component to analog sources and sinks, including microphones and speakers
Pin Name
CD_L
CD_GND_REF
CD_ R
MIC
LINE_IN_L
LINE_IN_R
HP_OUT_L
HP_OUT_R
Filter/Reference
These signals are connected to resistors, capacitors, or specific voltages
Pin Name
V
V
AFILT1
AFLIT2
FILT_R
FILT_L
Power and Ground Signals
Pin Name
DV
DV
DV
DV
AV
AV
AV
AV
AV
AV
REF
REFOUT
DD
SS
DD
SS
DD
SS
DD
SS
SS
DD
1
2
3
1
2
1
2
3
1
2
TQFP
2
3
5
6
8
10
11
TQFP
45
46
TQFP
18
19
20
21
23
24
39
41
TQFP
27
28
29
30
31
32
TQFP
1
4
7
9
25
26
38
40
43
44
I
O
I
I
I
O
O
O
I/O
I
O
O/I
I
I
Type
I
I
I/O
I
I
I
O
I/O
O
O
O
O
Type
I
I
I
I
I
I
I
I
I
I
PIN FUNCTION DESCRIPTIONS
Description
Crystal (or Clock) Input, 24.576 MHz
Crystal Output
AC-Link Serial Data Output, AD1887 Input Stream
AC-Link Bit Clock 12288 MHz Serial Data Clock Daisy Chain Output Clock
AC-Link Serial Data Input AD1887 Output Stream
AC-Link Frame Sync
AC-Link Reset AD1887 Master H/W Reset
Description
Chip Select Input 0 (Active Low)
Chip Select Input 1 (Active Low)
Description
CD Audio Left Channel
CD Audio Analog Ground Reference for Differential CD Input
CD Audio Right Channel
Microphone Input
Line in Left Channel
Line in Right Channel
Headphones Out Left Channel
Headphones Out Right Channel
Description
Voltage Reference Filter
Voltage Reference Output 5 mA Drive (Intended for Mic Bias)
Antialiasing Filter Capacitor—ADC Right Channel
Antialiasing Filter Capacitor—ADC Left Channel
AC-Coupling Filter Capacitor—ADC Right Channel
AC-Coupling Filter Capacitor—ADC Left Channel
Description
Digital V
Digital GND
Digital GND
Digital V
Analog V
Analog GND
Analog V
Analog GND
Analog V
Analog GND
DD
DD
DD
DD
DD
33 V
33 V
50 V
50 V
50 V
AD1887