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参数资料
| 型号： | HI7131 |
| 厂商： | Intersil Corporation |
| 元件分类： | 串行ADC |
| 英文描述： | 3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| 中文描述： | 3 1 / 2位，低功耗，高CMRR，液晶/ LED显示型的A / D转换器 |
| 文件页数： | 4/21页 |
| 文件大小： | 209K |
| 代理商： | HI7131 |
3-1829
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V+ to V-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +15V
Signal Inputs, Pin# 30, 31 (Note 1). . . . . . . . . . . . . . . . . . . . V+ to V-
Reference Inputs, Pin# 35, 36 . . . . . . . . . . . . . . . . . . . . . . . V+ to V-
Clock Input, OSC1, Pin# 40 (Note 2) . . . . . . . . . . . . TEST pin to V+
All Other Analog Leads, Pin# 27-29, 32-34 . . . . . . . . . . . . . V+ to V-
All Other Digital Leads,
Pin# 2-25, 38, 39 (Note 2). . . . . . . . . . . . . . . . . . . TEST Pin to V
+
Operating Conditions
Operating Temperature, T
A
. . . . . . . . . . . . . . . . . . . . . . .0
o
C to 70
o
C
Thermal Resistance (Typical, Note 3)
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MQFP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150
o
C
Maximum Storage Temperature Range . . . . . . . . . .-65
o
C to 150
o
C
Maximum Lead Temperature, PDIP Package (Soldering 10s) 300
o
C
(MQFP - Lead Tips Only)
θ
JA
(
o
C/W)
50
80
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.
NOTES:
1. Input voltages may exceed the supply voltages provided the input current is limited to
±
100
μ
A.
2. TEST pin is connected to internally generated digital ground through a 500
resistor (see text for TEST pin description).
3.
θ
JA
is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
(Notes 5, 6, 7) T
A
= 25
o
C. Device is Tested in the Circuit Shown in Figure 2.
Full Scale Range (FSR) = 200.0mV, Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ACCURACY
Zero Input Reading
V
IN
= 0V
-000
±
000
+000
Reading
Ratiometric Reading
V
IN HI
= V
REF HI
, V
IN LO
= V
REF LO
= V
COMMON
V
REF HI
- V
REF LO
= 100mV
999
999/
1000
1001
Reading
Rollover Error
V
IN
=
±
199mV
-
±
0.2
±
1
Count
Linearity Error
FSR = 200mV or 2V (Notes 5, 8)
-
±
0.2
±
1
Count
Zero Input Reading Drift
V
IN
= 0V
Over Full Temperature Range
(Notes 5, 8)
-
±
0.2
±
1
±
0.01
μ
V/
o
C
Count/
o
C
Scale Factor Temperature Coefficient
V
IN
= 199mV, Over Full Temperature Range,
Reference Drift Not Included (Notes 5, 8)
-
±
1
±
5
±
0.01
ppm/
o
C
Count/
o
C
Equivalent Input Noise (Peak-To-Peak
Value Not Exceeded 95% of the Time)
V
IN
= 0V (Notes 5, 8)
-
15
0.15
-
μ
V
Count
INPUT
Common Mode Voltage Sensitivity
V
CM
=
±
1V, V
IN
= 0V (Notes 5, 6, 8, 9)
-
-
1
0.01
μ
V/V
Count/V
Input Leakage Current
V
IN
= 0V (Notes 5, 8)
-
1
10
pA
Overload Recovery Period
V
IN
Changing from
±
10V to 0V
(Notes 5, 8)
-
-
1
Conversion
Cycle
COMMON PIN
COMMON Pin Voltage (With Respect
to V+, i.e., V+ - V
COMMON
)
V+ to V- = 10V
2.4
2.8
3.2
V
COMMON Pin Voltage Temperature
Coefficient
V+ to V- = 10V (Notes 5, 8)
-
150
-
ppm/
o
C
COMMON Pin Sink Current
+0.1V Change on V
COMMON
(Note 5)
-
3
-
mA
COMMON Pin Source Current
-0.1V Change on V
COMMON
(Note 5)
-
1
-
μ
A
HI7131, HI7133
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