AD1981BLJSTZ 데이터 시트보기 (PDF) - Analog Devices
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AD1981BLJSTZ Datasheet PDF : 32 Pages
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AD1981BL
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
48 47 46 45 44 43 42 41 40 39 38 37
DVDD1 1
XTL_IN 2
XTL_OUT 3
DVSS1 4
SDATA_OUT 5
BIT_CLK 6
DVSS2 7
SDATA_IN 8
DVDD2 9
SYNC 10
RESET 11
NC 12
AD1981BL
TOP VIEW
(Not to Scale)
13 14 15 16 17 18 19 20 21 22 23 24
36 LINE_OUT_R
35 LINE_OUT_L
34 AVDD4
33 AVSS4
32 AFILT4
31 AFILT3
30 AFILT2
29 AFILT1
28 VREFOUT
27 VREF
26 AVSS1
25 AVDD1
NC = NO CONNECT
Table 7. Pin Function Descriptions
Pin No.
Mnemonic
DIGITAL I/O
2
XTL_IN
3
XTL_OUT
5
SDATA_OUT
6
BIT_CLK
8
10
11
48
CHIP SELECTS1
45
SDATA_IN
SYNC
RESET
SPDIF
ID0
46
JACK SENSE AND EAPD
17
16
47
ANALOG I/O
13
14
15
18
19
20
21
ID1
JS0
JS1
EAPD
PHONE_IN
AUX_L
AUX_R
CD_L
CD_GND_REF
CD_ R
MIC1
Figure 9. 48-Lead LQFP Pin Configuration
I/O Description
I Crystal Input (24.576 MHz) or External Clock Input.
O Crystal Output.
I AC-Link Serial Data Output, AD1981BL Data Input Stream.
O/I AC-Link Bit Clock Output (12.288 MHz) or Bit Clock Input, if Secondary Mode
Selected.
O AC-Link Serial Data Input, AD1981BL Data Output Stream.
I AC-Link Frame Sync.
I AC-Link Reset, AD1981BL Master Hardware Reset.
O S/PDIF Output.
I Chip Select Input 0 (Active Low). This pin can also be used as the chain input from a
secondary codec.
I Chip Select Input 1 (Active Low).
I Jack Sense 0 Input.
I Jack Sense 1 Input.
O External Amp Power-Down Control.
I Phone Input. Mono input from telephony subsystem speaker phone or handset.
I Auxiliary Input Left Channel.
I Auxiliary Input Right Channel.
I CD Audio Left Channel.
I CD Audio Analog Ground Reference for Differential CD Input.
I CD Audio Right Channel.
I Microphone 1 Input (Mono) or Left Channel when 2-Channel Mode Selected
(Stereo MIC).
Rev. A | Page 10 of 32
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