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EVAL-AD1835AEB Datasheet, PDF (2/24 Pages) Analog Devices – 2 ADC, 8 DAC, 96 kHz, 24-Bit Codecs
AD1835A–SPECIFICATIONS
TEST CONDITIONS
Supply Voltages (AVDD, DVDD)
Ambient Temperature
Input Clock
ADC Input Signal
DAC Input Signal
Input Sample Rate (fS)
Measurement Bandwidth
Word Width
Load Capacitance
Load Impedance
5.0 V
25°C
12.288 MHz (256 Ï« fS Mode)
1.0078125 kHz, –1 dBFS (Full Scale)
1.0078125 kHz, 0 dBFS (Full Scale)
48 kHz
20 Hz to 20 kHz
24 Bits
100 pF
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 (48 kHz and 96 kHz)
Total Harmonic Distortion + Noise (THD + N)
48 kHz
96 kHz
Interchannel Isolation
Interchannel Gain Mismatch
Analog Inputs
Differential Input Range (Ï® Full Scale)
Common-Mode Input Voltage
Input Impedance
Input Capacitance
VREF
DC Accuracy
Gain Error
Gain Drift
100
–2.828
24
103
105
–95
–95
100
0.025
2.25
4
15
2.25
±5
35
–88.5
–87.5
+2.828
Bits
dB
dB
dB
dB
dB
dB
V
V
k⍀
pF
V
%
ppm/°C
DIGITAL-TO-ANALOG CONVERTERS
DAC Resolution
Dynamic Range (20 Hz to 20 kHz, –60 dBFS Input)
No Filter
103
With A-Weighted Filter (48 kHz and 96 kHz)
105
Total Harmonic Distortion + Noise (48 kHz and 96 kHz)
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 (Maximum Attenuation)
Mute Attenuation
De-emphasis Gain Error
Full-Scale Output Voltage at Each Pin (Single-Ended)
Output Resistance at Each Pin
Common-Mode Output Voltage
ADC DECIMATION FILTER, 48 kHz*
Pass Band
Pass-Band Ripple
Stop Band
Stop-Band Attenuation
Group Delay
24
105
108
–95
–90
110
Ϯ4.0
0.025
200
–120
Ϯ0.1
0.098
60
–100
Ϯ0.1
1.0 (2.8)
180
2.25
21.77
Ϯ0.01
26.23
120
910
Bits
dB
dB
dB
dB
%
dB
ppm/°C
dB
Degrees
%
dB
dB
dB
V rms (V p-p)
⍀
V
kHz
dB
kHz
dB
␮s
–2–
REV. A