參數(shù)資料
型號(hào)： AD7641ACP
廠商： ANALOG DEVICES INC
元件分類： ADC
英文描述： 18-Bit, 2 MSPS SAR ADC
中文描述： 1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, QCC48
封裝： MO-220-VKKD, LFCSP-48
文件頁數(shù)： 4/24頁
文件大?。?/td> 324K
代理商： AD7641ACP
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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