AD1986A 데이터 시트보기 (PDF) - Analog Devices
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AD1986A Datasheet PDF : 56 Pages
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SPECIFICATIONS
Test conditions, unless otherwise noted.
Table 1.
Parameter
Temperature
Digital Supply (DVDD)
Analog Supply (AVDD)
Sample Rate (FS)
Input Signal
Analog Output Pass Band
VIH
VIL
VIH
VIL
DAC Test Conditions
Calibrated
Output −3 dB Relative to Full Scale
10 kΩ Output Load: Line (Surround), Mono
32 Ω Output Load: Headphone
2 kΩ Output Load: Center, LFE
AD1986A
Typ
Unit
25
°C
3.3 ± 10%
V
5.0 ± 10%
V
48
kHz
1.0
kHz
20 Hz–20 kHz
2.0
V
0.8
V
2.4
V
0.6
V
ADC Test Conditions
Calibrated
0 dB PGA Gain
Input −3.0 dB Relative to Full Scale
Table 2. Analog Input
Input Voltage
MIC_1/2, LINE_IN, CD, AUX, PHONE_IN (No Preamp)
C/LFE and SURROUND (When Used as Inputs)
MIC_1/2, LINE_IN, C/LFE With 30 dB Preamp
MIC_1/2, LINE_IN, C/LFE With 20 dB Preamp
MIC_1/2, LINE_IN, C/LFE With 10 dB Preamp
Input Impedance2
Input Capacitance2
1 RMS values assume sine wave input.
2 Guaranteed by design, not production tested.
Table 3. Master Volume
Parameter
Step Size (LINE_OUT, HP Out, Mono Out, SURROUND, CENTER, LFE)
Output Attenuation Range (0 dB to –46.5 dB)
Mute Attenuation of 0 dB Fundamental2
Table 4. Programmable Gain Amplifier—ADC
Parameter
Step Size
PGA Gain Range Span (0 dB to 22.5 dB)
Min
Typ
Max Unit
1
Vrms1
2.83
V p-p
0.032
Vrms
0.089
V p-p
0.1
Vrms
0.283
V p-p
0.316
Vrms
0.894
V p-p
20
kΩ
5
7.5
pF
Min Typ
Max
Unit
−1.5
dB
−46.5
dB
−80
dB
Min Typ
1.5
22.5
Max Unit
dB
dB
Rev. 0 | Page 5 of 56
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