參數(shù)資料
型號(hào)： ICL7109
廠商： Intersil Corporation
英文描述： 12-Bit,Microprocessor-Compatible A/D Converter(12位、微處理器兼容的A/D轉(zhuǎn)換器)
中文描述： 12位A/D轉(zhuǎn)換器，帶有三態(tài)二進(jìn)制輸出
文件頁數(shù)： 2/23頁
文件大?。?/td> 227K
代理商： ICL7109
5-5
Absolute Maximum Ratings
Thermal Information
Positive Supply Voltage (GND to V+) . . . . . . . . . . . . . . . . . . . .+6.0V
Negative Supply Voltage (GND to V-). . . . . . . . . . . . . . . . . . . . . .-9V
Analog Input Voltage (Either Input) (Note 1). . . . . . . . . . . . . V+ to V-
Reference Input Voltage (Either Input) (Note 1) . . . . . . . . . . V+ to V-
Digital Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(V+) +0.3V
Pins 2-27 (Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GND -0.3V
Operating Conditions
Temperature Range
M Suffix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55
o
C to 125
o
C
I Suffix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25
o
C to 85
o
C
C Suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0
o
C to 75
o
C
Thermal Resistance (Typical, Note 1)
SBDIP Package. . . . . . . . . . . . . . . . . . . .
CERDIP Package . . . . . . . . . . . . . . . . . .
PDIP Package . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature (PDIP Package). . . . . . . . . . 150
o
C
Maximum Junction Temperature (CERDIP Package) . . . . . . . 175
o
C
Maximum Storage Temperature Range . . . . . . . . . .-65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s Max) . . . . . . . . . 300
o
C
θ
JA
(
o
C/W)
θ
JC
(
o
C/W)
20
18
N/A
60
55
50
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
θ
JA
is measured with the component mounted on an evaluation PC board in free air.
Analog Electrical Specifications
V+ = +5V, V- = -5V, GND = 0V, T
A
= 25
o
C, f
CLK
= 3.58MHz,
Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SYSTEM PERFORMANCE
Oscillator Output Current
High, O
OH
V
OUT
= 2.5V
-
1
-
mA
Low, O
OL
V
OUT
= 2.5V
-
1.5
-
mA
Buffered Oscillator Output Current
High, BO
OH
V
OUT
= 2.5V
-
2
-
mA
Low, BO
OL
V
OUT
= 2.5V
-
5
-
mA
Zero Input Reading
V
IN
= 0.0000V, V
REF
= 204.8mV
-0000
±
0000
+0000
Counts
Ratiometric Error
V
lN
= V
REF
, V
REF
= 204.8mV (Note 7)
-3
-
0
Counts
Non-Linearity
Full Scale = 409.6mV to 2.048mV
Maximum Deviation from Best Straight Line Fit, Over
Full Operating Temperature Range (Notes 4 and 6)
-1
±
0.2
+1
Counts
Rollover Error
Full Scale = 409.6mV to 2.048V
Difference in Reading for Equal Positive and Negative
Inputs Near Full Scale (Notes 5 and 6), R
1
= 0
-1
±
0.2
+1
Counts
Linearity
Full-Scale = 200mV or Full Scale = 2V Maximum
Deviation from Best Straight Line Fit (Note 4)
-
±
0.2
±
1
Counts
Common Mode Rejection Ratio, CMRR V
CM
=
±
1V, V
IN
= 0V, Full Scale = 409.6mV
-
50
-
μ
V/V
Input Common Mode Range, VCMR
Input HI, Input LO, Common (Note 4)
(V-)
+2.0
-
(V+)
-2.0
V
Noise, eN
V
IN
= 0V, Full-Scale = 409.6mV
(Peak-to-Peak Value Not Exceeded 95% of Time)
-
15
-
μ
V
Leakage Current Input, I
ILK
V
lN
= 0V, All Devices at 25
o
C (Note 4)
-
1
10
pA
ICL7109CPL
0
o
C to 70
o
C (Note 4)
-
20
100
pA
ICL7109IDL
-25
o
C to 85
o
C (Note 4)
-
100
250
pA
ICL7109MDL
-55
o
C to 125
o
C
-
2
100
nA
Zero Reading Drift
V
lN
= 0V, R
1
- 0
(Note 4)
-
0.2
1
μ
V/
o
C
ICL7109
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