Datasheet

Data Sheet AD7329
Rev. B | Page 3 of 40
SPECIFICATIONS
V
DD
= 12 V to 16.5 V, V
SS
= −12 V to −16.5 V, V
CC
= 4.75 V to 5.25 V, V
DRIVE
= 2.7 V to 5.25 V, V
REF
= 2.5 V internal/external, f
SCLK
= 20 MHz,
f
S
= 1 MSPS, T
A
= T
MAX
to T
MIN
, unless otherwise noted. MUX
OUT
+ is connected directly to ADC
IN
+ and MUX
OUT
− is connected directly to
ADC
IN
−, which is connected to GND for single-ended mode.
Table 2.
B Version
Parameter
1
Min Typ Max Unit Test Conditions/Comments
DYNAMIC PERFORMANCE f
IN
= 50 kHz sine wave
Signal-to-Noise Ratio (SNR) 76 77 dB Differential mode
72.5 74 dB Single-ended/pseudo differential mode
Signal-to-Noise and 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 Delay
3
7 ns
Aperture Jitter
3
50 ps
Common-Mode Rejection
(CMRR)
2
−79 dB Up to 100 kHz ripple frequency; see Figure 17
Channel-to-Channel Isolation
2
−75 dB
f
IN
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