AD1981HDJSTZ-REEL Analog Devices Inc, AD1981HDJSTZ-REEL Datasheet - Page 9

• Manufacturer Part Number: AD1981HDJSTZ-REEL
• Description: IC CODEC HD AUDIO 1.0 48LQFP
• Manufacturer: Analog Devices Inc
• Series: SoundMAX®r
• Type: Audio Codec '97, HDr

Specifications of AD1981HDJSTZ-REEL

• Data Interface: Serial
• Resolution (bits): 16, 20 b
• Number Of Adcs / Dacs: 4 / 2
• Sigma Delta: No
• Dynamic Range, Adcs / Dacs (db) Typ: 85 / 90
• Voltage - Supply, Analog: 4.5 V ~ 5.5 V
• Voltage - Supply, Digital: 2.97 V ~ 3.63 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): 2.97/4.5V
• Single Supply Voltage (max): 3.63/5.5V
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 17. Analog Input/Output Pin Function Descriptions
Mnemonic
PC Beep
PORT-E_L
PORT-E_R
PORT-F_L
PORT-F_R
CD_L
CD_GND
CD_R
PORT-B _L
PORT-B_R
PORT-C_L
PORT-C_R
PORT-D_L
PORT-D_R
MONO_OUT
PORT-A_L
PORT-A_R
1
Table 18. Filter/Reference Pin Function Descriptions
Mnemonic
VREF_FILT
MIC_BIAS-B
MIC_BIAS-C
MIC_BIAS-F
MIC_BIAS-D
Table 19. Power and Ground Pin Function Descriptions
Mnemonic
DV
DV
AV
AV
MIC—Microphone capable, includes programmable MIC_BIAS pins and integrated boost amplifier; LI—line level analog inputs; LO— line level analog outputs;
HP—headphone support, includes integrated headphone amplifier.
SS
DD
SS
DD
Pin No.
Pin No.
Pin No.
12
14
15
16
17
18
19
20
21
22
23
24
35
36
37
39
41
27
28
29
30
32
4, 7
1, 9
26, 42
25, 38
I/O
I/O
I/O
I
I
I
I/O
I/O
I
I
I
I
I
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
I
I
I
I
Channel
N/A
Left
Right
Left
Right
Left
Ground
Right
Left
Right
Left
Right
Left
Right
-
Left
Right
Description
Voltage Reference Filter.
Programmable Microphone Bias Output. Intended for connection to Port B.
Programmable Microphone Bias Output. Intended for connection to Port C.
Programmable Microphone Bias Output. Intended for connection to Port F.
Programmable Microphone Bias Output. Intended for connection to Port D.
Description
Digital Supply Return (Ground).
Digital Supply Voltage (3.3 V).
Analog Supply Return (Ground).
Analog Supply Voltage (5.0 V).
AV
DD
Description
Analog Input for PC Beep Pass-Through, Even While in Reset.
Line Input (Typically Auxiliary Input).
Line Input (Typically Auxiliary Input).
Multifunction Analog I/O Jack (Typically Rear Microphone).
Multifunction Analog I/O Jack (Typically Rear Microphone).
CD Input, Left Channel.
CD Input, Ground.
CD Input, Right Channel.
Multifunction Analog I/O Jack (Typically Front Microphone).
Multifunction Analog I/O Jack (Typically Front Microphone).
Multifunction Analog I/O Jack (Typically Rear Line Input).
Multifunction Analog I/O Jack (Typically Rear Line Input).
Multifunction Analog I/O Jack (Typically Rear Line Output).
Multifunction Analog I/O Jack (Typically Rear Line Output).
Monaural Output to Telephony Subsystem Speakerphone.
Headphone Output, Left Channel.
Headphone Output, Right Channel.
supplies should be well filtered because supply noise degrades audio performance.
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Function
LI
LI
LI
MIC, LI, LO
MIC, LI, LO
MIC, LI, LO
MIC, LI, LO
LO
LO, HP
LO, HP
LI
MIC, LI, LO
MIC, LI, LO
LI
MIC, LI
MIC, LI
AD1981HD
1