參數(shù)資料
型號: AD1987JCPZ
廠商: Analog Devices Inc
文件頁數(shù): 16/20頁
文件大小: 0K
描述: IC CODEC SOUNDMAX HD 48-LFCSP
標(biāo)準(zhǔn)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(diào)變:
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(yīng)商設(shè)備封裝: 48-LFCSP-VQ(7x7)
包裝: 管件
產(chǎn)品目錄頁面: 776 (CN2011-ZH PDF)
AD1987
Rev. A
|
Page 5 of 20
|
March 2008
DIGITAL-TO-ANALOG CONVERTERS
Resolution
24
Bits
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)1
±10
%
Interchannel Gain Mismatch (Difference of Gain Errors)
±0.5
dB
Total Audible Out-of-Band Energy (Measured from 0.6 × fS to 20 kHz)
–85
dB
DAC Crosstalk (Input L, Zero R, Measure R_OUT; Input R, Zero L, Measure L_OUT)1
–95
dB
DAC VOLUMES
Step Size (DAC-0, DAC-1, DAC-2, DAC-3)
1.5
dB
Output Gain/Attenuation Range
–58.5
0
dB
Mute Attenuation of 0 dB Fundamental1
–80
dB
ADC VOLUMES
Step Size (ADCSEL-0, ADCSEL-1)
1.5
dB
PGA Gain/Attenuation Range
–58.5
+22.5
dB
ANALOG MIXER
Signal-to-Noise Ratio Input to Output—Ports B, C, or F, to Port D Output
95
dB
Step Size: All Mixer Inputs
–1.5
dB
Input Gain/Attenuation Range: All Mixer Inputs
–34.5
+12.0
dB
ANALOG LINE LEVEL OUTPUTS
Full-Scale Output Voltage: Line out drive enabled
1.0
V rms
Ports A, D, E, F, and Mono Out
2.83
V p-p
Output Impedance
190
Ω
External Load Impedance1
10
k
Ω
Output Capacitance
15
pF
External Load Capacitance1
1000
pF
ANALOG HP DRIVE OUTPUTS
Full-Scale Output Voltage: Line Out Drive Enabled
1.0
V rms3
Ports A and D (when HP Drive is Enabled)
2.83
V p-p
Output Impedance1
0.5
Ω
External Load Impedance
32
Ω
Output Capacitance1
15
pF
External Load Capacitance
1000
pF
ANALOG INPUTS
Input Voltages—Ports B, C, or E
Mic Boost = 0 dB
1
2.83
V rms3
V p-p
Input Voltages—Microphone Boost
Amplifier, Ports B, C, or E
Mic Boost = +10 dB
0.316
0.894
V rms3
V p-p
Mic Boost = +20 dB
0.1
0.283
V rms
V p-p
Mic Boost = +30 dB
0.032
0.089
V rms
V p-p
Input Impedance
PCBEEP
Ports B, C, E (Mic Boost = 0 dB)
Port F
23
150
45
k
Ω
k
Ω
k
Ω
Input Capacitance1
57.5
pF
Parameter
Min
Typ
Max
Unit
OBSOLETE
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