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參數(shù)資料
| 型號： | AD7665ASTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 12/23頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT CMOS 5V 48-LQFP |
| 標準包裝： | 1 |
| 系列： | PulSAR® |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 570k |
| 數(shù)據(jù)接口： | 串行，并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 74mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應商設備封裝： | 48-LQFP（7x7） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 4 個單端，單極；4 個單端，雙極 |
| 配用： | EVAL-AD7665CBZ-ND - BOARD EVALUATION FOR AD7665 |
REV.
–2–
AD7665–SPECIFICATIONS
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
VIND – VINGND
±4 REF, 0 V to 4 REF, ±2 REF (See Table I)
Common-Mode Input Voltage
VINGND
–0.1
+0.5
V
Analog Input CMRR
fIN = 180 kHz
62
dB
Input Impedance
See Table I
THROUGHPUT SPEED
Complete Cycle
In Warp Mode
1.75
s
Throughput Rate
In Warp Mode
1
570
kSPS
Time between Conversions
In Warp Mode
1
ms
Complete Cycle
In Normal Mode
2
s
Throughput Rate
In Normal Mode
0
500
kSPS
Complete Cycle
In Impulse Mode
2.25
s
Throughput Rate
In Impulse Mode
0
444
kSPS
DC ACCURACY
Integral Linearity Error
–2.5
+2.5
LSB
1
No Missing Codes
16
Bits
Transition Noise
0.7
LSB
Bipolar Zero Error
2, T
MIN to TMAX
±5 V Range, Normal or
–25
+25
LSB
Impulse Modes
Other Range or Mode
–0.06
+0.06
% of FSR
Bipolar Full-Scale Error
2, T
MIN to TMAX
–0.25
+0.25
% of FSR
Unipolar Zero Error
2, T
MIN to TMAX
–0.18
+0.18
% of FSR
Unipolar Full-Scale Error
2, T
MIN to TMAX
–0.38
+0.38
% of FSR
Power Supply Sensitivity
AVDD = 5 V ±5%
±9.5
LSB
AC ACCURACY
Signal-to-Noise
fIN = 10 kHz
89
90
dB
3
fIN = 180 kHz
90
dB
Spurious-Free Dynamic Range
fIN = 180 kHz
100
dB
Total Harmonic Distortion
fIN = 180 kHz
–100
dB
Signal-to-(Noise+Distortion)
fIN = 10 kHz
88.5
90
dB
fIN = 180 kHz, –60 dB Input
30
dB
–3 dB Input Bandwidth
3.6
MHz
SAMPLING DYNAMICS
Aperture Delay
2ns
Aperture Jitter
5
ps rms
Transient Response
Full-Scale Step
1
s
REFERENCE
External Reference Voltage Range
2.3
2.5
AVDD – 1.85
V
External Reference Current Drain
570 kSPS Throughput
114
A
DIGITAL INPUTS
Logic Levels
VIL
–0.3
+0.8
V
VIH
+2.0
DVDD + 0.3
V
IIL
–1
+1
A
IIH
–1
+1
A
DIGITAL OUTPUTS
Data Format
Parallel or Serial 16-Bit
Pipeline Delay
Conversion Results Available Immediately
after Completed Conversion
VOL
ISINK = 1.6 mA
0.4
V
VOH
ISOURCE = –570 A
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
4
V
Operating Current
5
570 kSPS Throughput
AVDD
14
mA
DVDD
6
4.5
mA
OVDD
6
20
A
(–40 C to +85 C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.)
C
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