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AD1839A 데이터시트(PDF) 3 Page - Analog Devices

부품명 AD1839A
상세설명  2 ADC, 6 DAC, 96 kHz, 24-Bit Sigma-Delta Codec
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

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AD1839A
Rev. B | Page 3 of 24
SPECIFICATIONS
TEST CONDITIONS
Supply Voltages
5.0 V (AVDD, DVDD)
Ambient Temperature
25°C
Input Clock
12.288 MHz (256 × fS mode)
DAC Input Signal
1.0078125 kHz, 0 dBFS
ADC Input Signal
1.0078125 kHz, −1 dBFS
Input Sample Rate (fS)
48 kHz
Measurement Bandwidth
0 Hz to 20 kHz
Word Width
24 bits
Load Capacitance
100 pF
Load Impedance
47 kΩ
Performance of all channels is identical (except for the Interchannel Gain Mismatch and Interchannel Phase Deviation specifications).
Table 1.
Parameter
Min
Typ
Max
Unit
ANALOG-TO-DIGITAL CONVERTERS
ADC Resolution
24
Bits
Dynamic Range (20 Hz to 20 kHz, –60 dB Input)
No Filter
103
dB
A-Weighted (48 kHz and 96 kHz)
100
105
dB
Total Harmonic Distortion + Noise (THD + N)
48 kHz
–95
–88.5
dB
96 kHz
–95
–87.5
dB
Interchannel Isolation
100
dB
Interchannel Gain Mismatch
0.025
dB
Analog Inputs
Differential Input Range (±Full Scale)
–2.828
+2.828
V
Common-Mode Input Voltage
2.25
V
Input Impedance
4
kΩ
Input Capacitance
15
pF
VREF
2.25
V
DC Accuracy
Gain Error
±5
%
Gain Drift
35
ppm/°C
DIGITAL-TO-ANALOG CONVERTERS
DAC Resolution
24
Bits
Dynamic Range (20 Hz to 20 kHz, –60 dBFS Input)
No Filter
103
105
dB
A-Weighted Filter (48 kHz and 96 kHz)
105
108
dB
Total Harmonic Distortion + Noise (48 kHz and 96 kHz)
–92
–90
dB
Interchannel Isolation
110
dB
DC Accuracy
Gain Error
±4
%
Interchannel Gain Mismatch
0.025
dB
Gain Drift
200
ppm/°C
Interchannel Phase Deviation
±0.1
Degrees
Volume Control Step Size (1023 Linear Steps)
0.098
%
Volume Control Range (Maximum Attenuation)
60
dB
Mute Attenuation
–100
dB
De-emphasis Gain Error
±0.1
dB
Full-Scale Output Voltage at Each Pin (Single-Ended)
1.0 (2.8)
V rms (V p-p)
Output Resistance at Each Pin
180
Common-Mode Output Voltage
2.25
V


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