AD7329 Analog Devices, AD7329 Datasheet - Page 3

• Manufacturer Part Number: AD7329
• Description: 1 MSPS , 8-Channel, Software Selectable True Bipolar Input, 12-Bit Plus Sign A/D Converter
• Manufacturer: Analog Devices

Specifications of AD7329

• Resolution (bits): 13bit
• # Chan: 8
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni,SE-Uni
• Ain Range: Bip (Vref),Bip (Vref) x 2,Bip (Vref) x 4,Bip 10V,Bip 2.5V,Bip 5.0V,Uni (Vref),Uni 10V
• Adc Architecture: SAR
• Pkg Type: SOP

SPECIFICATIONS
V
f
ADC
Table 2.
Parameter
DYNAMIC PERFORMANCE
S
DD
= 1 MSPS, T
Signal-to-Noise Ratio (SNR)
Signal-to-Noise and Distortion
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious
Intermodulation Distortion (IMD)
Second-Order Terms
Third-Order Terms
Aperture Delay
Aperture Jitter
Common-Mode Rejection
Channel-to-Channel Isolation
Full Power Bandwidth
(SINAD)
Noise (SFDR)
(CMRR)
= 12 V to 16.5 V, V
IN
−, which is connected to GND for single-ended mode.
2
1
2
A
= T
2
3
3
MAX
SS
to T
= −12 V to −16.5 V, V
MIN
, unless otherwise noted. MUX
2
2
2
Min
76
72.5
75
72
CC
= 4.75 V to 5.25 V, V
B Version
Typ
77
74
76.5
76.5
73.5
73.5
−87
−85
−82
−80
−88
−86
−84
−82
−88
−90
7
50
−79
−75
20
1.5
Rev. A | Page 3 of 40
OUT
Max
−80
−77
−80
−78
+ is connected directly to ADC
DRIVE
= 2.7 V to 5.25 V, V
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
ps
dB
dB
MHz
MHz
Test Conditions/Comments
f
Differential mode
Single-ended/pseudo differential mode
Differential mode; ±2.5 V and ±5 V ranges
Differential mode; 0 V to +10 V and ±10 V ranges
Single-ended/pseudo differential mode; ±2.5 V and
±5 V ranges
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
Differential mode; ±2.5 V and ±5 V ranges
Differential mode; 0 V to +10 V and ±10 V ranges
Single-ended/pseudo differential mode; ±2.5 V and
±5 V ranges
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
Differential mode; ±2.5 V and ±5 V ranges
Differential mode; 0 V to +10 V and ±10 V ranges
Single-ended/pseudo differential mode; ±2.5 V and
±5 V ranges
Single-ended/pseudo differential mode; 0 V to +10 V
and ±10 V ranges
fa = 50 kHz, fb = 30 kHz
Up to 100 kHz ripple frequency; see Figure 17
f
see Figure 14
At 3 dB
At 0.1 dB
IN
IN
= 50 kHz sine wave
on unselected channels up to 100 kHz;
REF
= 2.5 V internal/external, f
IN
+ and MUX
OUT
− is connected directly to
SCLK
= 20 MHz,
AD7329