AD1838 Analog Devices, AD1838 Datasheet - Page 2

• Manufacturer Part Number: AD1838
• Description: 2 ADC, 6 DAC 96 Khz, 24-Bit Sigma Delta Codec
• Manufacturer: Analog Devices

AD1838–SPECIFICATIONS
TEST CONDITIONS
Supply Voltages (AV
Performance of all channels are identical (exclusive of the Interchannel Gain Mismatch and Interchannel Phase Deviation
specifications).
Parameter
ANALOG-TO-DIGITAL CONVERTERS
DIGITAL-TO-ANALOG CONVERTERS
ADC DECIMATION FILTER, 48 kHz*
Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25°C
Input Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.288 MHz, (256
DAC Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0078125 kHz, 0 dBFS (Full-Scale)
ADC Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0078125 kHz, -1 dBFS
Input Sample Rate (f
Measurement Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Hz to 20 kHz
Word Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Bits
Load Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 pF
Load Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 k
ADC Resolution
DAC Resolution
Pass Band
Pass-Band Ripple
Stop Band
Stop-Band Attenuation
Group Delay
Dynamic Range (20 Hz to 20 kHz, –60 dB Input)
Total Harmonic Distortion + Noise (THD+N)
Interchannel Isolation
Interchannel Gain Mismatch
Analog Inputs
V
DC Accuracy
Crosstalk (EIAJ Method)
Dynamic Range (20 Hz to 20 kHz, –60 dBFS Input)
Total Harmonic Distortion + Noise
Interchannel Isolation
DC Accuracy
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
REF
No Filter
A-Weighted
Differential Input Range (± Full-Scale)
Common-Mode Input Volts
Input Impedance
Input Capacitance
Gain Error
Gain Drift
No Filter
With A-Weighted Filter
Gain Error
Interchannel Gain Mismatch
Gain Drift
DD
, DV
S
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 kHz
DD
PRELIMINARY TECHNICAL DATA
) . . . . . . . . . . . . . . . . . . . . . . . 5.0 V
–2–
Min
100
101
–2.828
103
105
f
S
Typ
24
103
105
–93
100
0.01
2.25
4
15
2.25
5
TBD
TBD
105
108
–95
100
4.0
0.01
150
–120
0.098
60
–100
±0.1
1.0 (2.8)
115
2.25
20
±0.01
24
120
910
±0.1
Mode)
Max
-88.5
+2.828
-90
Unit
Bits
dB
dB
dB
dB
dB
V
V
k
pF
V
%
ppm/ºC
dB
dB
dB
dB
%
%
ppm/°C
dB
Degrees
%
dB
dB
dB
Vrms (V p-p)
V
kHz
dB
kHz
dB
µs
REV. PrD