AD7671 Analog Devices, AD7671 Datasheet - Page 2

• Manufacturer Part Number: AD7671
• Manufacturer: Analog Devices

Specifications of AD7671

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

AD7671–SPECIFICATIONS
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 Impedance
Complete Cycle
Throughput Rate
Time between Conversions
Complete Cycle
Throughput Rate
Complete Cycle
Throughput Rate
Integral Linearity Error
No Missing Codes
Transition Noise
Bipolar Zero Error
Bipolar Full-Scale Error
Unipolar Zero Error
Unipolar Full-Scale Error
Power Supply Sensitivity
Signal-to-Noise
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
–3 dB Input Bandwidth
Aperture Delay
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
2
, T
2
, T
MIN
2
MIN
, T
2
to T
, T
MIN
to T
MIN
MAX
to T
MAX
to T
MAX
MAX
Conditions
V
V
f
In Warp Mode
In Warp Mode
In Warp Mode
In Normal Mode
In Normal Mode
In Impulse Mode
In Impulse Mode
± 5 V Range, Normal or
Impulse Modes
Other Range or Mode
AVDD = 5 V ± 5%
f
f
f
f
f
f
f
Full-Scale Step
1 MSPS Throughput
I
I
IN
IN
IN
IN
IN
IN
IN
IN
SINK
SOURCE
IND
INGND
= 100 kHz
= 20 kHz
= 250 kHz
= 250 kHz
= 20 kHz
= 250 kHz
= 20 kHz
= 250 kHz, –60 dB Input
– V
= 1.6 mA
(–40 C to +85 C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.)
= –570 mA
INGND
–2–
Min
16
± 4 REF, 0 V to 4 REF, ± 2 REF (See Table I)
–0.1
–2.5
16
–45
–0.1
–0.38
–0.18
–0.76
89
88.5
–0.3
+2.0
–1
–1
OVDD – 0.6
1
0
0
2.3
Conversion Results Available Immediately
after Completed Conversion
Parallel or Serial 16-Bit
Typ
74
See Table I
0.7
± 9.5
90
90
100
–100
–100
90
30
9.6
2
5
2.5
200
+0.1
+0.38
+0.18
+0.76
DVDD + 0.3
Max
+0.5
1
1000
1
1.25
800
1.5
666
+2.5
+45
–96
250
AVDD – 1.85
+0.8
+1
+1
0.4
% of FSR
% of FSR
% of FSR
Unit
Bits
V
dB
ms
kSPS
ms
ms
kSPS
ms
kSPS
LSB
Bits
LSB
LSB
% of FSR
LSB
dB
dB
dB
dB
dB
dB
dB
MHz
ns
ps rms
ns
V
mA
V
V
mA
mA
V
V
REV. B
3
1