參數(shù)資料
型號： AD1835AS
廠商： ANALOG DEVICES INC
元件分類： 消費家電
英文描述： 2 ADC, 8 DAC, 96 kHz, 24-Bit Codec
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP52
封裝： PLASTIC, MS-022AC, MQFP-52
文件頁數(shù)： 2/23頁
文件大小： 326K
代理商： AD1835AS
REV. PrA
PRELIMINARY TECHNICAL DATA
AD1835–SPECIFICATIONS
–2–
TEST CONDITIONS
Supply Voltages (AV
DD
, DV
DD
) . . . . . . . . . . . . . . . . . . . . . . . . 5.0 V
Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
°
C
Input Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.288 MHz, (256
f
S
Mode)
ADC Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0078125 kHz, –1 dBFS (Full Scale)
DAC Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0078125 kHz, 0 dBFS (Full Scale)
Input Sample Rate (f
S
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 kHz
Measurement Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Hz to 20 kHz
Word Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Bits
Load Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 pF
Load Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 k
Performance of all channels is identical (exclusive of the Interchannel Gain Mismatch and Interchannel Phase Deviation
specifications).
Parameter
Min
Typ
Max
Unit
ANALOG-TO-DIGITAL CONVERTERS
ADC Resolution
Dynamic Range (20 Hz to 20 kHz, –60 dB Input)
No Filter
A-Weighted
Total Harmonic Distortion + Noise (THD + N)
Interchannel Isolation
Interchannel Gain Mismatch
Analog Inputs
Differential Input Range (
±
Full Scale)
Common-Mode Input Volts
Input Impedance
Input Capacitance
V
REF
DC Accuracy
Gain Error
Gain Drift
Crosstalk (EIAJ Method)
24
Bits
100
101
103
105
–93
100
0.01
dB
dB
dB
dB
dB
–88.5
–2.828
+2.828
V
V
k
pF
V
2.25
4
15
2.25
+5
TBD
TBD
%
ppm/oC
dB
DIGITAL-TO-ANALOG CONVERTERS
DAC Resolution
Dynamic Range (20 Hz to 20 kHz, –60 dBFS Input)
No Filter
With A-Weighted Filter
Total Harmonic Distortion + Noise
Interchannel Isolation
DC Accuracy
Gain Error
Interchannel Gain Mismatch
Gain Drift
Interchannel Crosstalk (EIAJ method)
Interchannel Phase Deviation
Volume Control Step Size (1023 Linear Steps)
Volume Control Range (Max Attenuation)
Mute Attenuation
De-Emphasis Gain Error
Full-Scale Output Voltage at Each Pin (Single-Ended)
Output Resistance at Each Pin
Common-Mode Output Volts
103
105
105
108
–95
100
dB
dB
dB
–90
±
4.0
0.01
150
–120
±
0.1
0.098
60
–100
±
0.1
1.0 (2.8)
115
2.25
%
%
ppm/
°
C
dB
Degrees
%
dB
dB
dB
Vrms (V p-p)
V
ADC DECIMATION FILTER, 48 kHz
*
Pass Band
Pass-Band Ripple
Stop Band
Stop-Band Attenuation
Group Delay
20
±
0.01
24
120
910
kHz
dB
kHz
dB
μ
s
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相關代理商/技術參數(shù)
參數(shù)描述
AD1835AS-REEL 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 8DAC 24-Bit 52-Pin MQFP T/R
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