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參數(shù)資料
| 型號(hào)： | ADSP-1981BL |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | Codec |
| 英文描述： | AC 97 SoundMAX Codec |
| 中文描述： | 交流97 SoundMAX編解碼器 |
| 文件頁數(shù)： | 4/32頁 |
| 文件大小： | 326K |
| 代理商： | ADSP-1981BL |
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AD1981BL
Parameter
Step Size (+12 dB to 34.5 dB) (All Steps Tested):
MIC_IN, LINE_IN, CD, AUX, PHONE_IN, DAC
Input Gain/Attenuation Range:
MIC_IN, LINE_IN, CD, AUX, PHONE_IN, DAC
DIGITAL DECIMATION AND INTERPOLATION FILTERS
1
Pass Band
Pass-Band Ripple
Transition Band
Stop Band
Stop-Band Rejection
Group Delay
Group Delay Variation over Pass Band
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
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
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
REFOUT
V
REFOUT
Current Drive
Mute Click (Muted Output Minus Unmuted Midscale DAC Output)
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
Rev. A | Page 4 of 32
Min
0
0.4 × f
S
0.6 × f
S
74
78
82
Typ
1.5
46.5
16/f
S
0
16
87
83
85
80
100
20
88
81
87.5
100
Max
0.4 × f
S
±0.09
0.6 × f
S
∞
80
±10
± 0.5
±5
±10
±0.7
80
Unit
dB
dB
Hz
dB
Hz
Hz
dB
sec
μs
Bits
dB
dB
dB
dB
dB
%
dB
mV
Bits
dB
dB
dB
dB
%
dB
dB
10
32
1
0.65 × DV
DD
0.9 × DV
DD
0.707
2.0
15
1
1.12
2.25
±5
800
100
1.225
5
0.35 × DV
DD
V rms
V p-p
k
pF
pF
V rms
V
V
mA
mV
V
V
V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD1981BL | AC ’97 SoundMAX㈢ Codec |
| AD1981BLJSTZ2 | AC ’97 SoundMAX㈢ Codec |
| AD1981BLJSTZ-REEL2 | AC ’97 SoundMAX㈢ Codec |
| AD1981HD | HD Audio SoundMAX Codec |
| AD1981HDJSTZ | HD Audio SoundMAX Codec |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADSP-2100 | 制造商:AD 制造商全稱:Analog Devices 功能描述:12.5 MIPS DSP Microprocessor |
| ADSP-2100A | 制造商:AD 制造商全稱:Analog Devices 功能描述:ADSP-2100 Family DSP Microcomputers |
| ADSP-2100AJG | 制造商:AD 制造商全稱:Analog Devices 功能描述:12.5 MIPS DSP Microprocessor |
| ADSP-2100AJP | 制造商:AD 制造商全稱:Analog Devices 功能描述:12.5 MIPS DSP Microprocessor |
| ADSP-2100AKG | 制造商:AD 制造商全稱:Analog Devices 功能描述:12.5 MIPS DSP Microprocessor |
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