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參數(shù)資料
| 型號(hào)： | AD1981HD |
| 廠商： | Analog Devices, Inc. |
| 元件分類(lèi)： | Codec |
| 英文描述： | HD Audio SoundMAX Codec |
| 中文描述： | 高清音頻SoundMAX編解碼器 |
| 文件頁(yè)數(shù)： | 5/16頁(yè) |
| 文件大?。?/td> | 201K |
| 代理商： | AD1981HD |
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AD1981HD
Table 4. Programmable Gain Amplifier—ADC
Parameter
STEP SIZE
PGA GAIN RANGE SPAN
Rev. 0 | Page 5 of 16
Min
0.0
Typ
1.5
Max
22.5
Unit
dB
dB
Table 5. Analog Mixer—Input Gain/Amplifiers/Attenuators
Parameter
SIGNAL-TO-NOISE RATIO (SNR)
Line In to Line Out
Min
Typ
85
Max
Unit
dB
Microphone In to Line Out
1
STEP SIZE: ALL MIXER INPUTS (Except PC BEEP)
STEP SIZE: PC BEEP
INPUT GAIN RANGE: ALL MIXER INPUTS (Except PC BEEP)
DIGITAL PC BEEP
34.5
45.0
80
1.5
3.0
+12.0
0.0
dB
dB
dB
dB
dB
1
Guaranteed by design; not production tested.
Table 6. Digital Decimation and Interpolation Filters
1
Parameter
PASS BAND
PASS-BAND RIPPLE
TRANSITION BAND
STOP BAND
STOP-BAND REJECTION
GROUP DELAY
GROUP DELAY VARIATION OVER PASS BAND
Min
0
0.4 × F
S
0.6 × F
S
74
Typ
16/F
S
0
Max
0.4 × F
S
±0.09
0.6 × F
S
∞
Unit
Hz
dB
Hz
Hz
dB
sec
μs
1
Guaranteed by design; not production tested.
Table 7. Analog-to-Digital Converters
Parameter
RESOLUTION
TOTAL HARMONIC DISTORTION (THD)
DYNAMIC RANGE (60 dB Input, THD + N Referenced to Full Scale, A-Weighted)
CROSSTALK: LINE INPUTS (Input L, Ground R, Read R; Input R, Ground L, Read L)
CROSSTALK: LINE INPUTS AND OTHER INPUTS
GAIN ERROR (Full-Scale Span Relative to Nominal Input Voltage)
INTERCHANNEL GAIN MISMATCH (Difference of Gain Errors)
ADC OFFSET ERROR
Min
Typ
20
95
85
80
100
±10
Max
80
±0.5
±5
Unit
Bits
dB
dB
dB
dB
%
dB
mV
Table 8. Digital-to-Analog Converters
Parameter
RESOLUTION
TOTAL HARMONIC DISTORTION (Line Out)
TOTAL HARMONIC DISTORTION (Headphone Out)
DYNAMIC RANGE (60 dB Input, THD + N Referenced to Full Scale, A-Weighted)
GAIN ERROR (Full-Scale Span Relative to Nominal Input Voltage)
INTERCHANNEL GAIN MISMATCH (Difference of Gain Errors)
DAC CROSSTALK
1
(Input L, Zero R, Read R Out; Input R, Zero L, Read L Out)
Min
Typ
24
92
75
90
±10
Max
±0.7
80
Unit
Bits
dB
dB
dB
%
dB
dB
1
Guaranteed by design; not production tested.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD1981HDJSTZ | HD Audio SoundMAX Codec |
| AD1981HDJSTZ-REEL | HD Audio SoundMAX Codec |
| AD1983 | HD Audio SoundMAX Codec |
| AD1983JCPZ | HD Audio SoundMAX Codec |
| AD1983JCPZ-REEL | HD Audio SoundMAX Codec |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD1981HDJSTZ | 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 2DAC 20-Bit/24-Bit 48-Pin LQFP |
| AD1981HDJSTZ-REEL | 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 2DAC 20-Bit/24-Bit 48-Pin LQFP T/R |
| AD1983 | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:HD Audio SoundMAX Codec |
| AD1983JCPZ | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:HD Audio SoundMAX Codec |
| AD1983JCPZ-REEL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
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