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AD1981B Scheda tecnica(PDF) 7 Page - Analog Devices

Il numero della parte AD1981B
Spiegazioni elettronici  AC ??7 SoundMAX Codec
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD1981B Scheda tecnica(HTML) 7 Page - Analog Devices

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REV. B
AD1981B
–7–
PIN CONFIGURATION
48-Lead LQFP
1
2
3
4
5
6
7
8
9
10
11
12
DVDD1
XTL_IN
XTL_OUT
DVSS1
SDATA_OUT
BIT_CLK
DVSS2
SDATA_IN
DVDD2
SYNC
RESET
NC
36
35
34
33
32
31
30
29
28
27
26
25
LINE_OUT_R
LINE_OUT_L
AVDD4
AVSS4
AFILT4
AFILT3
AFILT2
AFILT1
VREFOUT
VREF
AVSS1
AVDD1
AD1981B
TOP VIEW
(Not to Scale)
NC = NO CONNECT
ABSOLUTE MAXIMUM RATINGS
*
(TA = 25
°C, unless otherwise noted.)
Power Supplies
Digital (DVDD) . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +3.6 V
Analog (AVDD) . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +6.0 V
Input Current (Except Supply Pins) . . . . . . . . . . . . . .
±10 mA
Signals Pins
Digital Input Voltage . . . . . . . . . . . . . –0.3 V to DVDD + 0.3 V
Analog Input Voltage . . . . . . . . . . . . –0.3 V to AVDD + 0.3 V
Ambient Temperature Range (Operating) . . . . . . . 0
°C to 70°C
*Stresses greater than those listed under Absolute Maximum Ratings may cause
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 the
operational section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
ENVIRONMENTAL CONDITIONS
*
Ambient Temperature Rating (LQFP Package)
TCASE = Case Temperature in
°C
PD = Power Dissipation in W
JA Thermal Resistance (Junction to Ambient)
JC Thermal Resistance (Junction to Case)
ORDERING GUIDE
Model
Temperature Range
Package Description
Package Option
1
AD1981BJST
0
°C to 70°C
48-Lead LQFP (Tray)
ST-48
AD1981BJST-REEL
0
°C to 70°C
48-Lead LQFP (Reel)
ST-48
AD1981BJSTZ
2
0
°C to 70°C
48-Lead LQFP (Tray)
ST-48
AD1981BJSTZ-REEL
2
0
°C to 70°C
48-Lead LQFP (Reel)
ST-48
1ST = Low Profile Quad Flatpack.
2The AD1981BJSTZ is a lead-free environmentally friendly product. It is manufactured using the most up-to-date materials and processes. The coating on the leads of
each device is 100% pure tin electroplate. The device is suitable for lead-free applications and is able to withstand surface-mount soldering at up to 255
°C (± 5°C). In
addition, it is backward compatible with conventional tin-lead soldering processes. This means that the electroplated tin coating can be soldered with tin-lead solder
pastes at reflow temperatures of 220
°C to 235°C.
Package
JA
JC
LQFP
50.1
°C/W
17.8
°C/W
*All measurements per EIA-JESD51 with 2S2P test board per EIA-JESD51-7
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 AD1981B 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.


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