參數(shù)資料
型號: ADS1602IPFBT
英文描述: 16-Bit, 2.5MSPS Analog-to-Digital Converter
中文描述: 16位2.5MSPS模擬到數(shù)字轉換器
文件頁數(shù): 5/26頁
文件大小: 397K
代理商: ADS1602IPFBT
"#$%&
SBAS341B DECEMBER 2004 REVISED APRIL 2005
www.ti.com
5
ELECTRICAL CHARACTERISTICS (continued)
All specifications at TA = 40
°
C to +85
°
C, AVDD = 5V, DVDD = IOVDD = 3V, fCLK = 40MHz, External VREF = +3V, VCM = +1.45V,
and RBIAS = 37k
, unless otherwise noted.
ADS1602
PARAMETER
UNIT
MAX
TYP
MIN
TEST CONDITIONS
Clock Input
Frequency (f
CLK
)
Duty Cycle
40
MHz
f
CLK
= 40MHz
45
55
%
Digital Input/Output
V
IH
V
IL
V
OH
V
OL
Input leakage
0.7 x IOVDD
IOVDD
V
DGND
0.3 x IOVDD
V
I
OH
= 50
μ
A
I
OL
= 50
μ
A
IOVDD 0.5
V
DGND + 0.5
V
DGND < V
DIGIN
< IOVDD
±
10
μ
A
Power-Supply Requirements
AVDD
4.75
5.25
V
DVDD
2.7
3.3
V
IOVDD
I
OH
= 50
μ
A
REFEN = low
2.7
5.25
V
AVDD current (I
AVDD
)
110
125
mA
REFEN = high
88
98
mA
DVDD current (I
DVDD
)
IOVDD current (I
IOVDD
)
IOVDD = 3V
25
30
mA
IOVDD = 3V
8
10
mA
Power dissipation
AVDD = 5V, DVDD = 3V,
IOVDD = 3V, REFEN = high
530
610
mW
PD = low, CLK disabled
10
mW
Temperature Range
Specified
40
+85
°
C
°
C
Operating
40
+105
Storage
60
+150
°
C
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