AD7661 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD7661 Datasheet PDF : 28 Pages
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AD7661
SPECIFICATIONS
Table 2. –40°C to +85°C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted
Parameter
Conditions
Min
Typ Max
RESOLUTION
16
ANALOG INPUT
Voltage Range
Operating Input Voltage
Analog Input CMRR
Input Current
Input Impedance1
VIN – VINGND
0
VREF
VIN
–0.1
+3
VINGND
–0.1
+0.5
fIN = 10 kHz
68
100 kSPS Throughput
1.1
THROUGHPUT SPEED
Complete Cycle
Throughput Rate
10
0
100
DC ACCURACY
Integral Linearity Error
–2.5
+2.5
No Missing Codes
16
Differential Linearity Error
Transition Noise
Unipolar Zero Error, TMIN to TMAX3
Unipolar Zero Error Temperature Drift3
Full-Scale Error, TMIN to TMAX 3
Full-Scale Error Temperature Drift
REF = 2.5 V
–1.0
+1.5
0.7
±5
±0.25
±0.08
±0.4
Power Supply Sensitivity
AVDD = 5 V ± 5%
±2
AC ACCURACY
Signal-to-Noise
Spurious Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise + Distortion)
–3 dB Input Bandwidth
fIN = 20 kHz
88
fIN = 20 kHz
96
fIN = 20 kHz
fIN = 20 kHz
88
–60 dB Input, fIN = 20 kHz
89.3
107
–107 –96
89.3
30
820
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
Full-Scale Step
2
5
8.75
REFERENCE
Internal Reference Voltage
Internal Reference Temperature Drift
VREF @ 25°C
–40°C to +85°C
2.48
2.5 2.52
±3
±15
Output Voltage Hysteresis
–40°C to +85°C
50
Long Term Drift
100
Line Regulation
AVDD = 5 V ± 5%
±15
Turn-On Settling Time
CREF = 10 µF
5
Temperature Pin
Voltage Output @ 25°C
300
Temperature Sensitivity
1
Output Resistance
4.3
External Reference Voltage Range
2.3
External Reference Current Drain
100 kSPS Throughput
2.5 AVDD – 1.85
35
Unit
Bits
V
V
V
dB
µA
µs
kSPS
LSB2
Bits
LSB
LSB
LSB
ppm/°C
% of FSR
ppm/°C
LSB
dB4
dB
dB
dB
dB
kHz
ns
ps rms
µs
V
ppm/°C
ppm
ppm/1000 Hours
ppm/V
ms
mV
mV/°C
kΩ
V
µA
Rev. 0 | Page 3 of 28
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