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AD1935/AD1936/AD1937/AD1938/AD1939
Preliminary Technical Data
AD193X—SPECIFICATIONS
Rev. Pr
I
| Page 2 of 30
Test Conditions, Unless Otherwise Noted.
Performance of all channels is identical (exclusive of the Inter-channel Gain Mismatch and Inter-channel Phase Deviation specifications).
Parameter
Supply Voltages (AVDD, DVDD)
Case Temperature
Master Clock
Input Signal
Input Sample Rate
Measurement Bandwidth
Word Width
Load Capacitance (Digital Output)
Load Current (Digital Output)
Input Voltage HI
Input Voltage LO
Rating
3.3 V
25°C
12.288 MHz (48 kHz f
S
, 256 × f
S
Mode)
1.000 kHz, 0 dBFS (Full Scale), -1 dBVrms (0.9Vrms)
48 kHz
20 Hz to 20 kHz
24 Bits
50 pF
±1 mA or 1.5k
to DVDD supply
2.0 V
0.8 V
Table 1
Analog Performance
Parameter
Min
–5.0
–0.1
–10
-6%
Typ
24
102
105
107
–92
1.9
0
100
–110
70
70
14
10
1.5
101
104
106
104
107
109
–92
–94
0.9 (2.5)
1.8 (5.0)
TBD
Max
+5.0
+0.1
+10
+6%
Unit
Bits
dB
dB
dB
dB
V rms
%
dB
mV
ppm/°C
dB
dB
dB
k
pF
V
dB
dB
dB
dB
dB
dB
dB
dB
V rms (V pp)
V rms (V pp)
%
ADC Resolution (all ADCs)
Dynamic Range (20 Hz to 20 kHz, –60 dB Input)
1
No Filter (RMS)
With A-Weighted Filter (RMS)
With A-Weighted Filter (Avg)
Total Harmonic Distortion + Noise (–1 dBFS)
1
Full-Scale Input Voltage (Differential)
Gain Error
Interchannel Gain Mismatch
Offset Error
Gain Drift
Interchannel Isolation
CMRR, 100 mV RMS, 1 kHz
CMRR, 100 mV RMS, 20 kHz
Input Resistance
Input Capacitance
Input Common-Mode Bias Voltage
Dynamic Range (20 Hz to 20 kHz, –60 dB Input)
1
No Filter (RMS), Single-ended version
With A-Weighted Filter (RMS), Single-ended version
With A-Weighted Filter (Avg), Single-ended version
No Filter (RMS), Differential version
With A-Weighted Filter (RMS), Differential version
With A-Weighted Filter (Avg), Differential version
Total Harmonic Distortion + Noise (0 dBFS)
1
Single-ended version
Differential version
Full-Scale Output Voltage (Single-ended version)
Full-Scale Output Voltage (Differential version)
Gain Error
ANALOG-TO-DIGITAL CONVERTERS
DIGITAL-TO-ANALOG CONVERTERS
1
Total harmonic distortion + noise and dynamic range typical specifications are for two channels active, max/min are all channels active.
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