AD7654 Analog Devices, AD7654 Datasheet - Page 3

• Manufacturer Part Number: AD7654
• Manufacturer: Analog Devices

Specifications of AD7654

• Resolution (bits): 16bit
• # Chan: 4
• Sample Rate: 500kSPS
• Interface: Par,Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref) x 2,Uni 5.0V
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

SPECIFICATIONS
AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V; all specifications T
Table 2.
Parameter
RESOLUTION
ANALOG INPUT
THROUGHPUT SPEED
DC ACCURACY
AC ACCURACY
SAMPLING DYNAMICS
REFERENCE
DIGITAL INPUTS
Common-Mode Input Voltage
Analog Input CMRR
Input Current
Input Impedance
Voltage Range
Complete Cycle
Throughput Rate
Complete Cycle
Throughput Rate
Integral Linearity Error
No Missing Codes
Transition Noise
Full-Scale Error
Full-Scale Error Drift
Unipolar Zero Error
Unipolar Zero Error Drift
Power Supply Sensitivity
Signal-to-Noise
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-Noise and Distortion
Channel-to-Channel Isolation
−3 dB Input Bandwidth
Aperture Delay
Aperture Delay Matching
Aperture Jitter
Transient Response
External Reference Voltage Range
External Reference Current Drain
Logic Levels
V
V
I
I
IL
IH
IL
IH
4
1
4
4
2
4
Conditions
V
V
f
500 kSPS throughput
In normal mode
In normal mode
In impulse mode
In impulse mode
T
T
AVDD = 5 V ±5%
f
f
f
f
f
f
f
f
Full-scale step
500 kSPS throughput
IN
IN
IN
IN
IN
IN
IN
IN
IN
MIN
MIN
INx
INxN
= 100 kHz
= 20 kHz
= 100 kHz
= 100 kHz
= 100 kHz
= 20 kHz
= 100 kHz
= 100 kHz, −60 dB Input
= 100 kHz
– V
to T
to T
INxN
MAX
MAX
Rev. B | Page 3 of 28
MIN
to T
MAX
, unless otherwise noted.
Min
16
0
−0.1
0
0
−3.5
16
88
87.5
2.3
−0.3
+2.0
−1
−1
Typ
55
45
0.7
±0.25
±2
±0.8
0.8
90
89
105
−100
90
88.5
30
−92
10
2
30
5
2.5
180
Max
2 V
+0.5
2
500
2.25
444
+3.5
±0.5
±0.25
250
AVDD/2
+0.8
DVDD + 0.3
+1
+1
REF
AD7654
Unit
ns
ps
Bits
V
V
dB
μA
μs
kSPS
μs
kSPS
LSB
Bits
LSB
% of FSR
ppm/°C
% of FSR
ppm/°C
LSB
dB
dB
dB
dB
dB
dB
dB
dB
MHz
ps rms
ns
V
μA
V
V
μA
μA
5
3