AD7322BRU View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
AD7322BRU Datasheet PDF : 18 Pages
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AD7322
Preliminary Technical Data
AD7322—SPECIFICATIONS1
Table 1. Unless otherwise noted, VDD = + 4.75V to +16.5V, VSS = -4.75V to –16.5V, VCC = 2.7V to 5.25V, VDRIVE = 2.7V to 5.25V, VREF
= 2.5V Internal/External, fSCLK = 20 MHz, fS = 1 MSPS TA = TMAX to TMIN
Parameter
Specification Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
FIN = 50 kHz Sine Wave
Signal to Noise Ratio (SNR) 2
78
dB min
Differential Mode
Signal to Noise + Distortion (SINAD)2
Total Harmonic Distortion (THD)2
Peak Harmonic or Spurious Noise
(SFDR) 2
Intermodulation Distortion (IMD) 2
Second Order Terms
75
77
74
-TBD
-TBD
-88
dB min
dB min
dB min
dB max
dB max
dB typ
Single-Ended /Pseudo Differential Mode
Differential Mode
Single-Ended/Pseudo Differential Mode
Fa = 40.1 kHz, Fb = 41.5 kHz
Third Order Terms
-88
Aperature Delay2
10
Aperature Jitter2
50
Common Mode Rejection (CMRR)2
TBD
Channel-to-Channel Isolation2
-80
Full Power Bandwidth2
13
dB typ
ns max
ps typ
dB typ
dB typ
MHz typ
FIN = 400 kHz
@ 3 dB
1.5
MHz typ @ 0.1 dB
DC ACCURACY
Resolution
Integral Nonlinearity2
Differential Nonlinearity2
Offset Error3
Offset Error Match2
Gain Error2
Gain Error Match2
Positive Full-Scale Error2
Positive Full Scale Error Match2
Bipolar Zero Error2
Bipolar Zero Error Match2
Negative Full Scale Error2
Negative Full Scale Error Match2
12+Sign
±1.5
± 0.95
±6
±0.5
±2
±0.6
±2
±0.6
±6
±0.5
±2
±0.5
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
Guaranteed No Missing Codes to 13-Bits
Unipolar Range with Straight Binary output coding
Bipolar Range with Twos Complement Output Coding
ANALOG INPUT
Input Voltage Ranges
(Programmed via Range Register)
DC Leakage Current
±10V
±5V
±2.5V
0 to 10V
±10
Volts
nA max
VDD = +10V min , VSS = -10V min, VCC = 2.7V to 5.25V
VDD = +5V min, VSS = -5V min, VCC = 2.7V to 5.25V
VDD = +5V min, VSS = - 5V min, VCC = 2.7V to 5.25V
VDD = +10V min, VSS = 0 V min, VCC = 2.7V to 5.25V
Input Capacitance
8
pF typ
When in Track, ±10V Range
11
pF typ
When in Track, ±5V, 0 to 10V Range
19
pF typ
When in Track, ±2.5V Range
6
pF typ
When in Hold
REFERENCE INPUT/OUTPUT
Input Voltage Range
Input DC Leakage Current
Input Capactiance
Reference Output Voltage
+2.5 to +3V
±1
20
2.49/2.51
V min to
max
µA max
pF typ
Vmin/max
Reference Temperature Coefficient
25
ppm/°C
max
Rev. PrE | Page 3 of 18
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