參數(shù)資料
型號(hào)： AD7665AST
廠商： ANALOG DEVICES INC
元件分類(lèi)： ADC
英文描述： 16-Bit, 570 kSPS CMOS ADC
中文描述： 4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP48
封裝： LOW PROFILE, MS-026BBC, QFP-48
文件頁(yè)數(shù)： 2/24頁(yè)
文件大?。?/td> 348K
代理商： AD7665AST
REV. 0
–2–
AD7665–SPECIFICATIONS
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
ANALOG INPUT
Voltage Range
Common-Mode Input Voltage
Analog Input CMRR
Input Impedance
THROUGHPUT SPEED
Complete Cycle
Throughput Rate
Time Between Conversions
Complete Cycle
Throughput Rate
Complete Cycle
Throughput Rate
DC ACCURACY
Integral Linearity Error
No Missing Codes
Transition Noise
Bipolar Zero Error
2
, T
MIN
to T
MAX
16
Bits
V
IND
– V
INGND
V
INGND
f
IN
= 180 kHz
±
4 REF, 0 V to 4 REF,
±
2 REF (See Table I)
–0.1
62
See Table I
+0.5
V
dB
In Warp Mode
In Warp Mode
In Warp Mode
In Normal Mode
In Normal Mode
In Impulse Mode
In Impulse Mode
1.75
570
1
2
500
2.25
444
μ
s
kSPS
ms
μ
s
kSPS
μ
s
kSPS
1
0
0
–2.5
16
+2.5
LSB
1
Bits
LSB
LSB
0.7
±
5 V Range, Normal or
Impulse Modes
Other Range or Mode
–25
+25
–0.06
–0.25
–0.18
–0.38
+0.06
+0.25
+0.18
+0.38
% of FSR
% of FSR
% of FSR
% of FSR
LSB
Bipolar Full-Scale Error
2
, T
MIN
to T
MAX
Unipolar Zero Error
2
, T
MIN
to T
MAX
Unipolar Full-Scale Error
2
, T
MIN
to T
MAX
Power Supply Sensitivity
AC ACCURACY
Signal-to-Noise
AVDD = 5 V
±
5%
±
9.5
f
IN
= 10 kHz
f
IN
= 180 kHz
f
IN
= 180 kHz
f
IN
= 180 kHz
f
IN
= 10 kHz
f
IN
= 180 kHz, –60 dB Input
89
90
90
100
–100
90
30
3.6
dB
3
dB
dB
dB
dB
dB
MHz
Spurious Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise+Distortion)
88.5
–3 dB Input Bandwidth
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
REFERENCE
External Reference Voltage Range
External Reference Current Drain
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
DIGITAL OUTPUTS
Data Format
Pipeline Delay
2
5
ns
ps rms
μ
s
Full-Scale Step
1
2.3
2.5
114
2.7
V
μ
A
570 kSPS Throughput
–0.3
+2.0
–1
–1
+0.8
DVDD + 0.3
+1
+1
V
V
μ
A
μ
A
Parallel or Serial 16-Bit
Conversion Results Available Immediately
after Completed Conversion
V
OL
V
OH
I
SINK
= 1.6 mA
I
SOURCE
= –570
μ
A
0.4
V
V
OVDD – 0.6
POWER SUPPLIES
Specified Performance
AVDD
DVDD
OVDD
Operating Current
4
AVDD
DVDD
5
OVDD
5
4.75
4.75
2.7
5
5
5.25
5.25
5.25
V
V
V
570 kSPS Throughput
14
4.5
20
mA
mA
μ
A
(–40 C to +85 C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.)
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