AD974_15 Datasheet, PDF (2/20 Pages) Analog Devices – 4-Channel, 16-Bit, 200 kSPS Data Acquisition System

AD974–SPECIFICATIONS ^{(–40؇C to +85؇C, f}S ^{= 200 kHz, V}DIG ^{= V}ANA ^{= +5 V, unless otherwise noted)}
Parameter
RESOLUTION
ANALOG INPUT
Voltage Range
Impedance
Sampling Capacitance
THROUGHPUT SPEED
Complete Cycle
(Acquire and Convert)
Throughput Rate
DC ACCURACY
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Transition Noise²
Full-Scale Error³
Full-Scale Error Drift
Full-Scale Error
Full-Scale Error Drift
Bipolar Zero Error
Bipolar Zero Error Drift
Unipolar Zero Error
Unipolar Zero Error Drift
Channel-to-Channel Matching
Recovery to Rated Accuracy
After Power-Down⁴
Power Supply Sensitivity
V_ANA = V_DIG = V_D
AC ACCURACY
Spurious Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
Signal-to-Noise
Channel-to-Channel Isolation
Full Power Bandwidth⁶
–3 dB Input Bandwidth
SAMPLING DYNAMICS
Aperture Delay
Transient Response
Overvoltage Recovery⁷
REFERENCE
Internal Reference Voltage
Internal Reference Source Current
External Reference Voltage Range
for Specified Linearity
External Reference Current Drain
DIGITAL INPUTS
Logic Levels
V_IL
V_IH
I_IL
I_IH
Conditions
A Grade
Min Typ Max
16
B Grade
Min Typ Max
16
Channel On or Off
± 10 V, 0 V to +4 V, 0 V to +5 V (See Table I)
(See Table I)
40
40
Units
Bits
pF
5
200
–2
15
Internal Reference
Internal Reference
Ext. REF = +2.5 V
Ext. REF = +2.5 V
Bipolar Range
Bipolar Range
Unipolar Ranges
Unipolar Ranges
2.2 µF to CAP
V_D = 5 V ± 5%
f_IN = 20 kHz
90
f_IN = 20 kHz
f_IN = 20 kHz
83
–60 dB Input
f_IN = 20 kHz
83
f_IN = 20 kHz
±3
+3
1.0
± 0.5
±7
± 0.5
±2
± 10
±2
± 10
±2
± 0.1
1
±8
–90
27
–110 –100
1
2.7
Full-Scale Step
40
1
150
2.48 2.5 2.52
1
2.3 2.5 2.7
Ext. REF = +2.5 V
100
5
200
± 2.0
–1
+1.75
16
1.0
± 0.25
±7
± 0.25
±2
± 10
±2
± 10
±2
± 0.05
1
±8
96
–96
85
28
85
–110 –100
1
2.7
40
1
150
2.48 2.5 2.52
1
2.3 2.5 2.7
100
µs
kHz
LSB¹
LSB
Bits
LSB
%
ppm/°C
%
ppm/°C
mV
ppm/°C
mV
ppm/°C
% FSR
ms
LSB
dB⁵
dB
dB
dB
dB
dB
MHz
MHz
ns
µs
ns
V
µA
V
µA
–0.3
+2.0
+0.8
V_DIG + 0.3
± 10
± 10
–0.3
+2.0
+0.8
V
V_DIG + 0.3 V
± 10
µA
± 10
µA
–2–
REV. A