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參數(shù)資料
| 型號： | AD1987JCPZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CODEC SOUNDMAX HD 48-LFCSP |
| 標準包裝： | 85 |
| 系列： | SoundMAX® |
| 類型： | 音頻編解碼器，HD |
| 數(shù)據(jù)接口： | 串行 |
| 分辨率（位）： | 24 b |
| ADC / DAC 數(shù)量： | 4 / 8 |
| 三角積分調變： | 無 |
| 電壓 - 電源，模擬： | 3.13 V ~ 3.46 V |
| 電壓 - 電源，數(shù)字： | 2.97 V ~ 3.63 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-VFQFN 裸露焊盤，CSP |
| 供應商設備封裝： | 48-LFCSP-VQ（7x7） |
| 包裝： | 管件 |
| 產品目錄頁面： | 776 (CN2011-ZH PDF) |
Rev. A
|
Page 4 of 20
|
March 2008
AD1987
SPECIFICATIONS
TEST CONDITIONS
PERFORMANCE
GENERAL SPECIFICATIONS
Parameter
Test Condition
Temperature
Digital Supply
Analog Supply
MIC_BIAS_IN (via Low-Pass Filter)
Sample Rate fS
Input Signal (Frequency Sine Wave)
Amplitude for THD + N
Analog Output Pass Band
25°C
3.3 V
5.0 V
48 kHz
1008 Hz
–3.0 dB Full Scale
20 Hz to 20 kHz
DAC
10 k
Ω Output Load: Line Out Tests
32
Ω Output Load: Headphone Tests
ADC
0 dB Gain
Parameter
Min
Typ
Max
Unit
Line Out Drive (10 k
Ω loads—DAC to Pin)
Total Harmonic Distortion (THD + N)
Dynamic Range (–60 dB in ref to fS A-Weighted)
Signal-to-Noise Ratio
–85
95
dB
Headphone Drive (32
Ω loads—DAC to Pin)
Total Harmonic Distortion (THD + N)
Dynamic Range (–60 dB in ref to fS A-Weighted)
Signal-to-Noise Ratio
–83
95
dB
Input Ports (Mic Boost = 0 dB)
Total Harmonic Distortion (THD + N)
Dynamic Range (–60 dB in ref to fS A-Weighted)
Signal-to-Noise Ratio
–81
90
dB
Parameter
Min
Typ
Max
Unit
DIGITAL DECIMATION AND INTERPOLATION FILTERS1—fS = 8 kHz to 192 kHz
Pass Band
0
0.4 fS
Hz
Pass-Band Ripple
±0.005
dB
Stop Band
0.6 fS
Hz
Stop-Band Rejection
–100
dB
Group Delay
20
1/fS
Group Delay Variation Over Pass Band
0
μs
ANALOG-TO-DIGITAL CONVERTERS
Resolution
24
Bits
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
±10
%
Interchannel Gain Mismatch (Difference of Gain Errors)
±0.2
±0.5
dB
ADC Offset Error
±5mV
ADC Crosstalk1
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
–85
dB
Line_In to Other
–100
–80
dB
OBSOLETE
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相關代理商/技術參數(shù) |
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|---|---|
| AD1987JCPZ-RL | 制造商:Analog Devices 功能描述: |
| AD1988A | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Definition Audio SoundMAX㈢ Codec |
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| AD1988AJCPZ-RL | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Definition Audio SoundMAX㈢ Codec |
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