AD1888JST Analog Devices Inc, AD1888JST Datasheet - Page 9

• Manufacturer Part Number: AD1888JST
• Description: IC CODEC AUDIO-PC AC'97 48LQFP
• Manufacturer: Analog Devices Inc
• Series: SoundMAX®r
• Type: Audio Codec '97r

Specifications of AD1888JST

• Data Interface: Serial
• Resolution (bits): 16, 20 b
• Number Of Adcs / Dacs: 2 / 6
• Sigma Delta: No
• Dynamic Range, Adcs / Dacs (db) Typ: 80 / 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
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 3.15/4.75V
• Single Supply Voltage (max): 3.45/5.25V
• Package Type: LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 5. Pin Function Descriptions
Pin No.
DIGITAL INPUT/OUTPUT
2
3
5
6
8
10
11
48
CHIP SELECTS/CLOCK STRAPPING
45
46
JACK SENSE AND EAPD
47
17
16
ANALOG INPUT/OUTPUT
13
14
15
18
19
20
21
22
Mnemonic
XTL_IN
XTL_OUT
SDATA_OUT
BIT_CLK
SDATA_IN
SYNC
RESET
SPDIF
ID0
ID1
EAPD
JS0
JS1
PHONE_IN
AUX_L
AUX_R
CD_L
CD_GND_REF
CD_ R
MIC1
MIC2
NC = NO CONNECT
SDATA_OUT
SDATA_IN
XTL_OUT
BIT_CLK
XTL_IN
RESET
DV
DV
DV
DV
SYNC
DD
SS
SS
DD
NC
1
1
2
2
I/O
I
O
I
O/I
O
I
I
O
I
I
O
I
I
I
I
I
I
I
I
I
I
10
12
11
1
2
3
4
5
6
7
8
9
Function
Crystal Input (24.576 MHz) or External Clock In (24.576 MHz, 14.31818 MHz, or 48000 MHz).
Crystal Output.
AC-Link Serial Data Output. AD1888 input stream.
AC-Link Bit Clock. 12.288 MHz serial data clock. (Input pin for Secondary mode only.)
AC-Link Serial Data Input. AD1888 output stream.
AC-Link Frame Sync.
AC-Link Reset. AD1888 master H/W reset.
SPDIF Output.
Chip Select Input 0 (Active Low).
Chip Select Input 1 (Active Low).
EAPD Output.
Jack Sense 0 Input.
Jack Sense 1 Input.
Monaural Line-Level Input.
Auxiliary Input, Left Channel.
Auxiliary Input, Right Channel.
CD Audio Left Channel.
CD Audio Analog Ground Reference for Differential CD Input.
CD Audio Right Channel.
Rear Panel MIC Input.
Front Panel MIC Input.
48 47 46 45 44 43 42 41 40 39 38 37
13 14 15 16 17 18 19 20 21 22 23 24
PIN 1
Figure 9. Pin Configuration
(Not to Scale)
AD1888
TOP VIEW
Rev. A | Page 9 of 32
36
34
28
35
33
32
31
30
29
27
26
25
LINE_OUT_R (FRONT_R)
LINE_OUT_L (FRONT_L)
AV
AV
LFE_OUT
CENTER_OUT
AFILT2
AFILT1
V
V
AV
AV
REFOUT
REF
DD
SS
SS
DD
4
1
4
1
AD1888