參數(shù)資料
型號(hào)： AD1885
廠商： ANALOG DEVICES INC
元件分類(lèi)： ADC
英文描述： AC’97 SoundMAX Codec
中文描述： 16-BIT CONVERTER SUBSYSTEM ADC, SERIAL ACCESS, PDSO28
文件頁(yè)數(shù)： 3/27頁(yè)
文件大小： 291K
代理商： AD1885
–3–
REV. 0
AD1885
DIGITAL DECIMATION AND INTERPOLATION FILTERS
*
Parameter
Min
Typ
Max
0.4
×
F
S
±
0.09
0.6
×
F
S
∞
Unit
Passband
Passband Ripple
Transition Band
Stopband
Stopband Rejection
Group Delay
Group Delay Variation Over Passband
0
Hz
dB
Hz
Hz
dB
sec
μ
s
0.4
×
F
S
0.6
×
F
S
–74
12/F
S
0.0
ANALOG-TO-DIGITAL CONVERTERS
Parameter
Min
Typ
Max
Unit
Resolution
Total Harmonic Distortion (THD
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale, A-Weighted)
Signal-to-Intermodulation Distortion
*
(CCIF Method)
ADC Crosstalk
*
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
LINE_IN to Other
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error
16
–84
87
85
Bits
dB
dB
dB
84
–100
–90
–90
–85
±
10
±
0.5
±
5
dB
dB
%
dB
mV
DIGITAL-TO-ANALOG CONVERTERS
Parameter
Min
Typ
Max
Unit
Resolution
Total Harmonic Distortion (THD) LINE_OUT
Total Harmonic Distortion (THD) HP_OUT (With 10 k
Load)
Dynamic Range LINE_OUT (–60 dB Input THD+N Referenced to Full Scale,
A-Weighted)
Signal-to-Intermodulation Distortion
*
(CCIF Method)
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
DAC Crosstalk
*
(Input L, Zero R, Measure R_OUT; Input R, Zero L,
Measure L_OUT)
Total Audible Out-of-Band Energy (Measured from 0.6
×
F
S
to 20 kHz)
*
16
–85
–75
Bits
dB
dB
85
90
–100
±
10
dB
dB
%
dB
±
0.7
–80
dB
dB
–40
ANALOG OUTPUT
Parameter
Min
Typ
Max
Unit
Full-Scale Output Voltage; LINE_OUT
1
2.83
V rms
V p-p
k
pF
pF
V rms
pF
V
V
mA
mV
Output Impedance
*
External Load Impedance
*
Output Capacitance
*
External Load Capacitance
Full-Scale Output Voltage; HP_OUT (0 dB Gain)
Output Capacitance
*
External Load Capacitance
V
REF
V
REFOUT
V
REFOUT
Current Drive
Mute Click (Muted Output Minus Unmuted Midscale DAC Output)
800
10
15
100
1
100
32
2.45
2.05
2.25
2.25
5
±
5
*
Guaranteed, not tested.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD1885JST 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 2DAC 16-Bit 48-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:AC97 VERSION 2.1 CODEC - Tape and Reel 制造商:Analog Devices 功能描述:IC CODEC AC'97 VERSION 2.1
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