AD1885JST Analog Devices Inc, AD1885JST Datasheet - Page 7

IC AUDIO CODEC AC'97 48-LQFP

AD1885JST

Manufacturer Part Number
AD1885JST
Description
IC AUDIO CODEC AC'97 48-LQFP
Manufacturer
Analog Devices Inc
Series
SoundMAX®r
Type
Audio Codec '97r
Datasheet

Specifications of AD1885JST

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

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ABSOLUTE MAXIMUM RATINGS
Parameter
Power Supplies
Input Current (Except Supply Pins)
Analog Input Voltage (Signal Pins)
Digital Input Voltage (Signal Pins)
Ambient Temperature (Operating)
Storage Temperature
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the AD1885 features proprietary ESD protection circuitry, permanent damage may occur on
devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.
permanent damage to the device. This is a stress rating only; functional operation
of the device at these or any other conditions above those indicated in t he
operational section of this specification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
Stresses greater than those listed under Absolute Maximum Ratings may cause
Digital (AV
Analog (DV
DD
DD
)
)
Min
–0.3
–0.3
–0.3
–0.3
0
–65
SDATA_OUT
SDATA_IN
PC_BEEP
XTL_OUT
BIT_CLK
XTL_IN
RESET
NC = NO CONNECT
DV
DV
DV
DV
SYNC
DD1
DD2
Max
+3.6
+6.0
± 10
AV
DV
70
+150
SS1
SS2
DD
10
11
12
DD
1
2
3
4
5
6
7
8
9
+ 0.3 V
+ 0.3 V
48 47 46 45 44
13 14 15 16 17 18 19 20 21 22 23 24
PIN CONFIGURATION
PIN 1
IDENTIFIER
mA
Unit
V
V
°C
°C
(Not to Scale)
TOP VIEW
AD1885
43 42 41 40
Model
AD1885JST
ENVIRONMENTAL CONDITIONS
Ambient Temperature Rating
ST = Thin Quad Flatpack.
T
T
P
θ
θ
θ
Package
LQFP
CA
JA
JC
D
AMB
CASE
39 38 37
= Power Dissipation in W
= Thermal Resistance (Junction-to-Ambient)
= Thermal Resistance (Junction-to-Case)
= Thermal Resistance (Case-to-Ambient)
= T
= Case Temperature in °C
CASE
36
35
34
33
32
31
30
29
28
27
26
25
LINE_OUT_R
LINE_OUT_L
CX3D
RX3D
FILT_L
FILT_R
AFILT2
AFILT1
V
V
AV
AV
Temperature
Range
0°C to 70°C
REFOUT
REF
– (PD × θ
SS1
DD1
76.2°C/W
JA
ORDERING GUIDE
CA
)
WARNING!
Package
Description
48-Lead LQFP
17°C/W
JC
ESD SENSITIVE DEVICE
AD1885
59.2°C/W
CA
Package
Option
ST-48

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