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AD7329 Datasheet(PDF) 3 Page - Analog Devices

Part No. AD7329
Description  1 MSPS, 8-Channel, Software-Selectable, True Bipolar Input, 12-Bit Plus Sign ADC
Download  40 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD7329 Datasheet(HTML) 3 Page - Analog Devices

 
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AD7329
Rev. 0 | Page 3 of 40
SPECIFICATIONS
VDD = 12 V to 16.5 V, VSS = −12 V to −16.5 V, VCC = 4.75 V to 5.25 V, VDRIVE = 2.7 V to 5.25 V, VREF = 2.5 V internal/external, fSCLK = 20
MHz, fS = 1 MSPS, TA = TMAX to TMIN, unless otherwise noted. MUXOUT+ is connected directly to ADCIN+ and MUXOUT −is connected
directly to ADCIN−, which is connected to GND for single-ended mode.
Table 2.
B Version
Parameter1
Min
Typ
Max
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 50 kHz sine wave
Signal-to-Noise Ratio (SNR)2
76
77
dB
Differential mode
72.5
74
dB
Single-ended/pseudo differential mode
Signal-to-Noise + Distortion
(SINAD)2
75
76.5
dB
Differential mode; ±2.5 V and ±5 V ranges
76.5
dB
Differential mode; 0 V to +10 V and ±10 V ranges
72
73.5
dB
Single-ended/pseudo differential mode; ±2.5 V and
±5 V ranges
73.5
dB
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
Total Harmonic Distortion (THD)2
−87
−80
dB
Differential mode; ±2.5 V and ±5 V ranges
−85
dB
Differential mode; 0 V to +10 V and ±10 V ranges
−82
−77
dB
Single-ended/pseudo differential mode; ±2.5 V and
±5 V ranges
−80
dB
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
Peak Harmonic or Spurious
Noise (SFDR)2
−88
−80
dB
Differential mode; ±2.5 V and ±5 V ranges
−86
dB
Differential mode; 0 V to +10 V and ±10 V ranges
−84
−78
dB
Single-ended/pseudo differential mode; ±2.5 V and
±5 V ranges
−82
dB
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
Intermodulation Distortion
(IMD) 2
fa = 50 kHz, fb = 30 kHz
Second-Order Terms
−88
dB
Third-Order Terms
−90
dB
Aperture Delay3
7
ns
Aperture Jitter3
50
ps
Common-Mode Rejection
(CMRR)2
−79
dB
Up to 100 kHz ripple frequency; see Figure 17
Channel-to-Channel Isolation2
−75
dB
fIN on unselected channels up to 100 kHz;
see Figure 14
Full Power Bandwidth
20
MHz
At 3 dB
1.5
MHz
At 0.1 dB


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