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AD7652 数据表(PDF) 2 Page - Analog Devices

部件名 AD7652
功能描述  16-Bit 1 MSPS SAR Unipolar ADC with Ref
PDF  23 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD7652 数据表(HTML) 2 Page - Analog Devices

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PRELIMINARY TECHNICAL DATA
REV. Pr
A
–2–
AD7667
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
VIN – VINGND
0VREF
V
Operating Input Voltage
VIN
–0.1
+3
V
VINGND
–0.1
+0.5
V
Analog Input CMRR
fIN = 10 kHz
TBD
dB
Input Current
1 MSPS Throughput
11
µA
Input Impedance
See Analog Input Section
THROUGHPUT SPEED
Complete Cycle
In Warp Mode
1
µs
Throughput Rate
In Warp Mode
1
1000
kSPS
Time Between Conversions
In Warp Mode
1
ms
Complete Cycle
In Normal Mode
1.25
µs
Throughput Rate
In Normal Mode
0
800
kSPS
Complete Cycle
In Impulse Mode
1.5
µs
Throughput Rate
In Impulse Mode
0
666
kSPS
DC ACCURACY
Integral Linearity Error
–2.5
+2.5
LSB
1
No Missing Codes
16
Bits
Transition Noise
0.7
LSB
Full-Scale Error
2
REF = 2.5 V
±TBD
% of FSR
Unipolar Zero Error
2
±TBD
±TBD
LSB
Power Supply Sensitivity
AVDD = 5 V ± 5%
±TBD
LSB
AC ACCURACY
Signal-to-Noise
fIN = 100 kHz
90
dB
Spurious Free Dynamic Range
fIN = 100 kHz
100
dB
Total Harmonic Distortion
fIN = 45 kHz
-100
dB
fIN = 100 kHz
-100
dB
Signal-to-(Noise+Distortion)
fIN = 100 kHz
90
dB
–60 dB Input, fIN = 100 kHz
30
dB
–3 dB Input Bandwidth
TBD
MHz
SAMPLING DYNAMICS
Aperture Delay
2ns
Aperture Jitter
5
ps rms
Transient Response
Full-Scale Step
250
ns
REFERENCE
Internal Reference Voltage
@
25 C
TBD
2.5
TBD
V
Internal Reference Source Current
TBD
µA
Internal Reference Temp Drift
–40 C to +85 C
TBD
ppm/ C
Internal Reference Temp Drift
0 C to +70 C
TBD
ppm/ C
Turn-on Settling Time
TBD
External Reference Voltage Range
2.3
2.5
AVDD – 1.85
V
External Reference Current Drain
1 MSPS Throughput
TBD
µA
Temperature Pin
Voltage Output @
25 C
313
mV
Temperature Sensitivity
1
mV/ C
Output Resistance
4.3
k
DIGITAL INPUTS
Logic Levels
VIL
–0.3
+0.8
V
VIH
2.0
OVDD + 0.3
V
IIL
–1
+1
µA
IIH
–1
+1
µA
DIGITAL OUTPUTS
Data Format
Parallel or Serial 16-Bits
Pipeline Delay
Conversion Results Available
Immediately after
Completed Conversion
VOL
ISINK = 1.6 mA
0.4
V
VOH
ISOURCE = –500 µA
OVDD – 0.6
V
POWER SUPPLIES
Specified Performance
AVDD
4.75
5
5.25
V
DVDD
4.75
5
5.25
V
OVDD
2.7
5.25
9
V
–SPECIFICATIONS (–40 C to +85 C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.)



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