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AD1981HD Datasheet(PDF) 4 Page - Analog Devices

Part No. AD1981HD
Description  HD Audio SoundMAX Codec
Download  16 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD1981HD Datasheet(HTML) 4 Page - Analog Devices

 
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AD1981HD
Rev. 0 | Page 4 of 16
SPECIFICATIONS
Test conditions, unless otherwise noted.
Table 1. Test Conditions
Parameter
Typ
Unit
TEMPERATURE
25
°C
DIGITAL SUPPLY (DVDD)
3.3 ±10%
V
ANALOG SUPPLY (AVDD)
5.0 ±10%
V
SAMPLE RATE (FS)
48
kHz
INPUT SIGNAL
1.0
kHz
ANALOG OUTPUT PASS BAND
20 to 20,000
Hz
VIH
2.0
V
VIL
0.8
V
VIH
2.4
V
VIL
0.6
V
DAC Test Conditions
Calibrated
Output −3 dB relative to full scale
10 kΩ output load, Ports C, D, F, and mono
32 Ω output load, Port A
ADC Test Conditions
Calibrated
0 dB PGA gain
Input −3.0 dB relative to full scale
Input sourced on Port B, 0 dB boost
Table 2. Analog Input
Parameter
Min
Typ
Max
Unit
PORTS B, C, D, E: 0 dB
1
V rms 1
2.83
V p-p
PORTS B, C, D, E: 30 dB
0.032
V rms
0.089
V p-p
PORTS B, C, D, E: 20 dB
0.1
V rms
0.283
V p-p
PORTS B, C, D, E: 10 dB
0.316
V rms
0.894
V p-p
PORT F, CD IN
1
V rms
2.83
V p-p
INPUT IMPEDANCE2
20
INPUT CAPACITANCE
5
7.5
pF
1 RMS values assume sine wave input.
2 Guaranteed by design; not production tested.
Table 3. Master Volume
Parameter
Min
Typ
Max
Unit
STEP SIZE (Ports A, B, C, D, E, MONO_OUT)
1.5
dB
OUTPUT GAIN RANGE
–46.5
+3
dB
MUTE ATTENUATION OF 0 dB FUNDAMENTAL
80
dB
1 Guaranteed by design; not production tested.


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