參數(shù)資料
型號(hào)： AD1981BL
廠商： Analog Devices, Inc.
元件分類： Codec
英文描述： AC ’97 SoundMAX㈢ Codec
中文描述： ㈢交流\u0026#39;97 SoundMAX編解碼器
文件頁(yè)數(shù)： 3/28頁(yè)
文件大?。?/td> 215K
代理商： AD1981BL
REV. 0
–3–
AD1981BL
Parameter
Min
Typ
Max
Unit
ANALOG-TO-DIGITAL CONVERTERS
Resolution
Total Harmonic Distortion (THD)
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,
A-Weighted)
Signal-to-Intermodulation Distortion
1
(CCIF Method)
ADC Crosstalk
1
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
Line_In to Other
Gain Error
2
(Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error
1
16
–87
Bits
dB
78
83
85
dB
dB
–80
–100
dB
dB
%
dB
mV
–80
±
10
±
0.5
±
5
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,
A-Weighted)
Signal-to-Intermodulation Distortion
1
(CCIF Method)
Gain Error
2
(Output FS Voltage Relative to Nominal Output FS Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
DAC Crosstalk
1
(Input L, Zero R, Measure R_OUT; Input R,
Zero L, Measure L_OUT)
ANALOG OUTPUT
Full-Scale Output Voltage; LINE_OUT and MONO_OUT
20
–88
–81
87.5
Bits
dB
dB
dB
82
–100
dB
%
dB
±
10
±
0.7
–80
dB
0.707
2.0
V rms
V p-p
k
pF
pF
V rms
V
V
mA
mV
Output Impedance
1
External Load Impedance
1
Output Capacitance
1
External Load Capacitance
1
Full-Scale Output Voltage; HP_OUT (0 dB Gain)
External Load Impedance
1
V
REF
V
REF_OUT
V
REF_OUT
Current Drive
Mute Click (Muted Output Minus Unmuted Midscale DAC Output)
800
10
15
100
1
32
1
1.12
2.25
1.225
5
±
5
STATIC DIGITAL SPECIFICATIONS
High Level Input Voltage (V
IH
): Digital Inputs
Low Level Input Voltage (V
IL
)
High Level Output Voltage (V
OH
), I
OH
= 2 mA
Low Level Output Voltage (V
OL
), I
OL
= 2 mA
Input Leakage Current
Output Leakage Current
0.65
DVDD
V
V
V
V
μ
A
μ
A
0.35
DVDD
0.9 DVDD
0.1 DVDD
+10
+10
–10
–10
POWER SUPPLY
Power Supply Range—(AV
DD
and DV
DD
)
Power Dissipation
Analog Supply Current—3.3 V (AV
DD
)
Digital Supply Current—3.3 V (DV
DD
)
Power Supply Rejection (100 mV p-p Signal @ 1 kHz)
1
(At Both Analog and Digital Supply Pins, Both ADCs and DACs)
3.0
3.47
V
mW
mA
mA
287
39
48
40
dB
相關(guān)PDF資料
PDF描述
AD1981BLJSTZ2 AC ’97 SoundMAX㈢ Codec
AD1981BLJSTZ-REEL2 AC ’97 SoundMAX㈢ Codec
AD1981HD HD Audio SoundMAX Codec
AD1981HDJSTZ HD Audio SoundMAX Codec
AD1981HDJSTZ-REEL HD Audio SoundMAX Codec
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD1981BLJST 制造商:Analog Devices 功能描述:
AD1981BLJST-REEL 制造商:AD 制造商全稱:Analog Devices 功能描述:AC ’97 SoundMAX㈢ Codec
AD1981BLJSTZ 制造商:Analog Devices 功能描述:Audio Codec 4ADC / 2DAC 20-Bit 48-Pin LQFP 制造商:Analog Devices 功能描述:IC AUDIO CODEC
AD1981BLJSTZ2 制造商:AD 制造商全稱:Analog Devices 功能描述:AC ’97 SoundMAX㈢ Codec
AD1981BLJSTZ-REEL 制造商:Analog Devices 功能描述:Audio Codec 4ADC / 2DAC 20-Bit 48-Pin LQFP T/R
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