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參數資料
| 型號： | AD7677 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 16-Bit, 1 LSB INL, 1 MSPS Differential ADC |
| 中文描述： | 16位，1 LSB INL和1 MSPS的差分ADC |
| 文件頁數： | 2/20頁 |
| 文件大小： | 322K |
| 代理商： | AD7677 |
REV. 0
–2–
AD7677–SPECIFICATIONS
(–40 C to +85 C, AVDD = DVDD
= 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise stated.)
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
Operating Input Voltage
Analog Input CMRR
Input Current
Input Impedance
V
IN+
– V
IN–
V
IN+,
V
IN–
to AGND
f
1 MSPS Throughput
–V
REF
–0.1
+V
REF
+3
V
V
dB
μ
A
85
11
See Analog Input Section
THROUGHPUT SPEED
Complete Cycle
Throughput Rate
Time Between Conversions
Complete Cycle
Throughput Rate
Complete Cycle
Throughput Rate
In Warp Mode
In Warp Mode
In Warp Mode
In Normal Mode
In Normal Mode
In Impulse Mode
In Impulse Mode
1
1
1
1.25
800
1.5
666
μ
s
MSPS
ms
μ
s
kSPS
μ
s
kSPS
0.001
0
0
DC ACCURACY
Integral Linearity Error
Differential Linearity Error
No Missing Codes
Transition Noise
+Full-Scale Error
3
–Full Scale Error
3
Zero Error
3
+Full-Scale Error
3
–Full Scale Error
3
Zero Error
3
Power Supply Sensitivity
–1
–1
16
+1
+1
LSB
1, 2
LSB
2
Bits
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
0.35
In Warp Mode
In Warp Mode
In Warp Mode
In Impulse or Normal Mode
In Impulse or Normal Mode
In Impulse or Normal Mode
AVDD = 5 V
±
5%
–25
–20
–15
–40
–20
–23
+25
+20
+15
+40
+20
+23
±
1.4
AC ACCURACY
Signal-to-Noise
f
IN
= 20 kHz
f
IN
= 45 kHz
f
IN
= 20 kHz
f
IN
= 45 kHz
f
IN
= 20 kHz
f
IN
= 45 kHz
f
IN
= 20 kHz
f
IN
= 45 kHz
f
IN
= 45 kHz, –60 dB Input
92
94
94
110
110
–110
–110
94
94
34
15.8
dB
2, 4
dB
dB
2
dB
dB
2
dB
dB
2
Spurious Free Dynamic Range
104.5
Total Harmonic Distortion
–103.5
Signal-to-(Noise+Distortion)
92
dB
MHz
–3 dB Input Bandwidth
SAMPLING DYNAMICS
Aperture Delay
Aperture Jitter
Transient Response
2
5
ns
ps rms
ns
Full-Scale Step
250
REFERENCE
External Reference Voltage Range
External Reference Current Drain
2.3
2.5
37
AVDD – 1.85
V
μ
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
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
= –100
μ
A
0.4
V
V
OVDD – 0.6
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