參數(shù)資料
型號(hào)： AD7655AST
廠商： ANALOG DEVICES INC
元件分類： ADC
英文描述： Low Cost 4-Channel 1 MSPS 16-Bit ADC
中文描述： 4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48
封裝： SEPOSEDPAD, MS-026BBC, LQFP-48
文件頁(yè)數(shù)： 2/20頁(yè)
文件大?。?/td> 684K
代理商： AD7655AST
REV. 0
–2–
AD7655–SPECIFICATIONS
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
Common-mode Input Voltage
Analog Input CMRR
Input Current
Input Impedance
V
INx
–
V
INxN
V
INxN
f
IN
= 100 kHz
1 MSPS Throughput
0
–
0.1
2 V
REF
+0.5
V
dB
m
A
55
45
See Analog Input Section
THROUGHPUT SPEED
Complete Cycle (2 channels)
Throughput Rate
Complete Cycle (2 channels)
Throughput Rate
In Normal Mode
In Normal Mode
In Impulse Mode
In Impulse Mode
2
1
2.25
888
m
s
MSPS
m
s
kSPS
0
0
DC ACCURACY
Integral Linearity Error
No Missing Codes
Transition Noise
Full-Scale Error
2
Full-Scale Error Drift
2
Unipolar Zero Error
2
Unipolar Zero Error Drift
2
Power Supply Sensitivity
–
6
15
+6
LSB
1
Bits
LSB
% of FSR
ppm/ C
% of FSR
ppm/ C
LSB
0.8
±
0.25
±
2
T
MIN
to T
MAX
±
0.5
T
MIN
to T
MAX
±
0.25
±
0.8
±
0.8
AVDD = 5 V
±
5%
AC ACCURACY
Signal-to-Noise
Spurious Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise + Distortion)
f
IN
= 100 kHz
f
IN
= 100 kHz
f
IN
= 100 kHz
f
IN
= 100 kHz
f
IN
= 100 kHz,
–
60 dB Input
f
IN
= 100 kHz
86
98
–
96
86
dB
3
dB
dB
dB
30
–
92
10
dB
dB
MHz
Channel-to-Channel Isolation
–
3 dB Input Bandwidth
SAMPLING DYNAMICS
Aperture Delay
4
Aperture Delay Matching
4
Aperture Jitter
4
Transient Response
2
30
5
ns
ps
ps rms
ns
Full-Scale Step
250
REFERENCE
External Reference Voltage Range
External Reference Current Drain
2.3
2.5
180
AVDD/2
V
m
A
1 MSPS Throughput
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
DIGITAL OUTPUTS
Data Format
Pipeline Delay
–
0.3
+2.0
–
1
–
1
+0.8
OVDD + 0.3
+1
+1
V
V
m
A
m
A
Parallel or Serial 16-Bit Straight Binary Coding
Conversion Results Available Immediately
after Completed Conversion
I
SINK
= 1.6 mA
I
SOURCE
=
–
500
m
A
OVDD
–
0.2
V
OL
V
OH
0.4
V
V
(–40 C to +85 C, V
= 2.5 V, AVDD = AVDD = 5 V, OVDD = 2.7 V to 5.25 V,
unless otherwise noted.)
相關(guān)PDF資料
PDF描述
AD7655ASTRL Low Cost 4-Channel 1 MSPS 16-Bit ADC
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AD7660AST 16-Bit, 100 kSPS CMOS ADC
AD7660ASTRL 16-Bit, 100 kSPS CMOS ADC
AD7664 Circular Connector; No. of Contacts:4; Series:D38999; Body Material:Metal; Connecting Termination:Crimp; Connector Shell Size:13; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:13-4
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