AD7655 Analog Devices, AD7655 Datasheet - Page 3

• Manufacturer Part Number: AD7655
• Manufacturer: Analog Devices

Specifications of AD7655

• Resolution (bits): 16bit
• # Chan: 4
• Sample Rate: 1MSPS
• Interface: Par,Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref) x 2
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

SPECIFICATIONS
AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V; V
Table 2.
Parameter
RESOLUTION
ANALOG INPUT
THROUGHPUT SPEED
DC ACCURACY
AC ACCURACY
SAMPLING DYNAMICS
REFERENCE
DIGITAL INPUTS
DIGITAL OUTPUTS
Voltage Range
Common-Mode Input Voltage
Analog Input CMRR
Input Current
Input Impedance
Complete Cycle (2 Channels)
Throughput Rate
Complete Cycle (2 Channels)
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
Data Format
Pipeline Delay
V
V
I
I
V
V
IL
IH
IL
IH
OL
OH
6
7
4
1
4
4
2
4
Conditions
V
V
f
1 MSPS throughput
Normal mode
Normal mode
Impulse mode
Impulse mode
T
T
AVDD = 5 V ± 5%
f
f
f
f
f
f
Full-scale step
1 MSPS throughput
I
I
SINK
SOURCE
IN
IN
IN
IN
IN
IN
IN
MIN
MIN
INx
INxN
= 100 kHz
= 100 kHz
= 100 kHz
= 100 kHz
= 100 kHz
= 100 kHz, −60 dB input
= 100 kHz
– V
= 1.6 mA
to T
to T
REF
= −500 μA
INxN
= 2.5 V; all specifications T
MAX
MAX
Rev. B | Page 3 of 28
Min
16
0
−0.1
0
0
−6
15
2.3
−0.3
+2.0
−1
−1
OVDD − 0.2
MIN
to T
MAX
, unless otherwise noted.
Typ
55
45
0.8
±0.25
±2
±0.8
±0.8
86
98
−96
86
30
−92
10
2
30
5
2.5
180
Max
2 V
+0.5
2
1
2.25
888
+6
±0.5
±0.25
250
AVDD/2
+0.8
DVDD + 0.3
+1
+1
0.4
REF
AD7655
Unit
ns
ps
Bits
V
V
dB
μA
μs
MSPS
μs
kSPS
LSB
Bits
LSB
% of FSR
ppm/°C
% of FSR
ppm/°C
LSB
dB
dB
dB
dB
dB
dB
MHz
ps rms
ns
V
μA
V
V
μA
μA
V
V
5
3