AD1981BL 데이터 시트보기 (PDF) - Analog Devices
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AD1981BL Datasheet PDF : 32 Pages
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SPECIFICATIONS
TEST CONDITIONS
Standard test conditions, unless otherwise noted.
Table 1.
Parameter
Temperature
Digital Supply (DVDD)
Analog Supply (AVDD)
Sample Rate (fS)
Input Signal
Analog Output Pass Band
DAC
ADC
Test Condition
25°C
3.3 V
3.3 V
48 kHz
1008 Hz
20 Hz to 20 kHz
Calibrated
−3 dB Attenuation Relative to Full Scale
0 dB Input
10 kΩ Output Load (LINE_OUT)
32 Ω Output Load (HP_OUT)
Calibrated
0 dB Gain
Input −3.0 dB Relative to Full Scale
GENERAL SPECIFICATIONS
Table 2.
Parameter
Min
ANALOG INPUT
Input Voltage (RMS Values Assume Sine Wave Input)
LINE_IN, AUX, CD, PHONE_IN
MIC_IN with 20 dB Gain
MIC_IN with 0 dB Gain
Input Impedance1
Input Capacitance1
MASTER VOLUME
Step Size (0 dB to −46.5 dB): LINE_OUT_L, LINE_OUT_R
Output Attenuation Range1
Step Size (0 dB to −46.5 dB): MONO_OUT
Output Attenuation Range1
Step Size (0 dB to −46.5 dB): HP_OUT_R, HP_OUT_L
Output Attenuation Range Span1
Mute Attenuation of 0 dB Fundamental1
80
PROGRAMMABLE GAIN AMPLIFIER—ADC
Step Size (0 dB to 22.5 dB)
PGA Gain Range
ANALOG MIXER—INPUT GAIN/AMPLIFIERS/ATTENUATORS
Signal-to-Noise Ratio (SNR)
CD to LINE_OUT
Other to LINE_OUT1
Rev. A | Page 3 of 32
AD1981BL
Typ Max
0.707
2.0
0.0707
0.2
1.707
2.0
20
5
7.5
1.5
46.5
1.5
46.5
1.5
46.5
1.5
22.5
90
90
Unit
V rms
V p-p
V rms
V p-p
V rms
V p-p
kΩ
pF
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
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