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參數資料
| 型號： | AD7641 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 18-Bit, 2 MSPS SAR ADC |
| 中文描述： | 18位，2 MSPS的SAR型ADC |
| 文件頁數： | 4/24頁 |
| 文件大小： | 324K |
| 代理商： | AD7641 |
AD7641
Preliminary Technical Data
Parameter
Hysterisis
Temperature Pin Voltage Output
Temperature Sensitivity
TEMP pin Output Resistance
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
DIGITAL OUTPUTS
Data Format
5
Pipeline Delay
6
V
OL
V
OH
POWER SUPPLIES
Specified Performance
AVDD
DVDD
OVDD
Operating Current
7
AVDD
DVDD
8
OVDD
Power Dissipation
7
In Power-down mode
TEMPERATURE RANGE
9
Specified Performance
Rev. Pr E | Page 4 of 24
Conditions
@ 25°C
I
SINK
= 500 μA
I
SOURCE
= -500 μA
2 MSPS Throughput
PDBUF = HIGH @ 2 MSPS
PDBUF = LOW @ 2 MSPS
PD = HIGH
T
MIN
to T
MAX
Min
–0.3
+1.7
–1
–1
OVDD – 0.3
2.37
2.37
2.3
-40
Typ
50
300
1
4
2.5
2.5
15
4.5
130
100
108
TBD
Max
+0.6
5.25
+1
+1
0.4
2.63
2.63
3.6
+85
Unit
ppm
mV
mV/°C
k
V
V
μA
μA
V
V
V
V
V
mA
mA
μA
mW
mW
μW
°C
1
See analog Input section
2
LSB means Least Significant Bit. With the ±2.5 V input range, one LSB is 19.07 μV.
3
See Definition of Specifications section. These specifications do not include the error contribution from the external reference.
4
All specifications in dB are referred to a full-scale input FS. Tested with an input signal at 0.5 dB below full-scale unless otherwise specified.
5
Parallel or serial 18 bit..
6
Conversion results are available immediately after completed conversion.
7
In Warp mode.
8
Tested in parallel reading mode.
9
Contact factory for extended temperature range.
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| AD7641BCPZ | 功能描述:IC ADC 18BIT 2MSPS SAR 48-LFCSP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 其它有關文件:TSA1204 View All Specifications 標準包裝:1 系列:- 位數:12 采樣率（每秒）:20M 數據接口:并聯 轉換器數目:2 功率耗散（最大）:155mW 電壓電源:模擬和數字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應商設備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數目和類型:4 個單端，單極；2 個差分，單極 產品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
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