AD1981B 데이터 시트보기 (PDF) - Analog Devices
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AD1981B Datasheet PDF : 28 Pages
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AD1981B
Parameter
Min
Typ
ANALOG-TO-DIGITAL CONVERTERS
Resolution
Total Harmonic Distortion (THD)
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,
80
A-Weighted)
Signal-to-Intermodulation Distortion1 (CCIF Method)
ADC Crosstalk1
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
Line_In to Other
Gain Error2 (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error1
16
–84
85
85
–80
–100
DIGITAL-TO-ANALOG CONVERTERS
Resolution
Total Harmonic Distortion (THD) LINE_OUT
Total Harmonic Distortion (THD) HP_OUT
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,
85
A-Weighted)
Signal-to-Intermodulation Distortion1 (CCIF Method)
Gain Error2 (Output FS Voltage Relative to Nominal Output FS Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
DAC Crosstalk1 (Input L, Zero R, Measure R_OUT; Input R,
Zero L, Measure L_OUT)
Total Audible Out-of-Band Energy1 (Measured from 0.6 ϫ fS to 20 kHz)
ANALOG OUTPUT
Full-Scale Output Voltage; LINE_OUT and MONO_OUT
Output Impedance1
External Load Impedance1
10
Output Capacitance1
External Load Capacitance1
Full-Scale Output Voltage; HP_OUT (0 dB Gain)
External Load Impedance1
32
VREF
2.05
VREF_OUT (Programmable to 3.70 V Nominal)
VREF_OUT Current Drive
Mute Click (Muted Output Minus Unmuted Midscale DAC Output)
20
–85
–75
90
–100
± 10
–40
1
2.83
15
1
2.25
2.25
±5
STATIC DIGITAL SPECIFICATIONS
High Level Input Voltage (VIH): Digital Inputs
Low Level Input Voltage (VIL)
High Level Output Voltage (VOH), IOH = 2 mA
Low Level Output Voltage (VOL), IOL = 2 mA
Input Leakage Current
Output Leakage Current
0.65 ϫ DVDD
0.9 ϫ DVDD
–10
–10
POWER SUPPLY
Power Supply Range—Analog (AVDD)
Power Supply Range—Digital (DVDD)
Power Dissipation—5 V/3.3 V
4.5
3.0
400
Analog Supply Current—5 V (AVDD)
50
Digital Supply Current—3.3 V (DVDD)
46
Power Supply Rejection (100 mV p-p Signal @ 1 kHz)1
(At Both Analog and Digital Supply Pins, Both ADCs and DACs)
40
Max
Unit
Bits
dB
dB
dB
dB
–80
dB
± 10
%
± 0.5
dB
±5
mV
Bits
dB
dB
dB
dB
%
± 0.7
dB
–80
dB
dB
V rms
V p-p
800
Ω
kΩ
pF
100
pF
V rms
Ω
2.45
V
V
5
mA
mV
V
0.35 ϫ DVDD V
V
0.1 ϫ DVDD V
+10
µA
+10
µA
5.5
V
3.47
V
mW
mA
mA
dB
REV. B
–3–
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