AD1837 Analog Devices, AD1837 Datasheet - Page 2

• Manufacturer Part Number: AD1837
• Description: 2 ADC, 8DAC 96 Khz, 24-Bit Sigma Delta Codec
• Manufacturer: Analog Devices

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*
AD1837
Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25°C
Input Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.288 MHz, (256
Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0078125 kHz, –1 dBFS (Full-Scale)
Input Sample Rate (f
Measurement Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Hz to 20 kHz
Word Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Bits
Load Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 pF
Load Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 kΩ
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)
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
Total Harmonic Distortion + Noise
Gain Error
Interchannel Gain Mismatch
Gain Drift
DD
S
, DV
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 kHz
DD
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0 V
PRELIMINARY TECHNICAL DATA
–2–
Min
100
–2.828
103
105
105
1.0 (2.8)
Typ
24
103
–93
100
0.04
2.25
4
15
2.25
4
TBD
TBD
105
108
–90
100
± 3.0
0.04
150
–120
± 0.1
0.098
60
–100
± 0.1
115
2.25
20
± 0.01
24
120
910
Max
–88.5
+2.828
Unit
Bits
dB
dB
dB
dB
dB
V
V
kΩ
pF
V
%
ppm/ºC
dB
dB
dB
dB
%
%
ppm/°C
dB
Degrees
%
dB
dB
dB
Vrms (V p-p)
Ω
V
kHz
dB
kHz
dB
µs
f
S
REV. PrA
Mode)