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参数资料
| 型号： | NTE995M |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Frequency-to-Voltage Converter |
| 中文描述： | 集成电路频率至电压转换器 |
| 文件页数： | 2/4页 |
| 文件大小： | 30K |
| 代理商： | NTE995M |
Absolute Maximum Ratings:
Supply Voltage, V
CC
Supply Current (Zener Options)
Collector Voltage
Differential Input Voltage
Tachometer
OP Amp/Comparator
Input Voltage Range
Tachometer
NTE995M
NTE955
OP Amp/Comparator
Power Dissipation (Note 1), P
D
NTE995M
NTE995
Operating Temperature Range, T
opr
Storage Temperature Range, T
stg
Lead Temperature, T
L
NTE995, NTE995M (During Soldering, 10sec)
NTE995M
(Vapor Phase, 60sec)
(Infrared, 15sec)
Note 1. For operation in ambient temperatures above 25
°
C, the device must be derated based on
a +150
°
C maximum junction temperature and a thermal resistance of +101
°
C/W junction to
ambient for the NTE995M, and +79
°
C/W junction to ambient for the NTE995.
28V
25mA
28V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28V
28V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
28V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.0V to +28V
0.0V to +28V
1200mW
1580mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–
40
°
to +85
°
C
–
65
°
to +150
°
C
+260
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+215
°
C
+220
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics:
(V
CC
= 12V, T
A
= +25
°
C unless otherwise specified)
Parameter
Symbol
Tachometer
Input Thresholds
V
IN
= 250mV
P
–
P
@ 1kHz, Note 2
Hysteresis
V
IN
= 250mV
P
–
P
@ 1kHz, Note 2
Offset Voltage
NTE995
V
IN
= 250mV
P
–
P
@ 1kHz, Note 2
NTE995M
Input Bias Current
V
IN
=
±
50mV
Output Voltage (High Level, Pin2)
V
OH
V
IN
= +125mV, Note 3
Output Voltage (Low Level, Pin2)
V
OL
V
IN
=
–
125mV, Note 3
Output Current
I
2
, I
3
V2 = V3 = 6V, Note 4
Leakage Current
I
3
I2 = 0, V3 = 0
Gain Constant
K
Note 3
Linearity
f
IN
= 1kHz, 5kHz, 10kHz, Note 5
Test Conditions
Min
Typ
Max
Unit
±
10
–
±
25
30
±
40
–
mV
mV
–
–
–
–
–
3.5
5.0
0.1
8.3
2.3
180
–
1.0
0.3
10
15
1.0
–
–
240
0.1
1.1
+1.0
mV
mV
μ
A
V
V
μ
A
μ
A
140
–
0.9
–
1.0
%
Note 2. Hysteresis is the sum + V
TH
–
(
–
V
TH
), offset voltage is their difference.
Note 3. V
OH
is equal to
3
/
4
x V
CC
–
1 V
BE
, V
OL
is equal to
1
/
4
x V
CC
–
1 V
BE
therefore V
OH
–
V
OL
= V
CC
/2.
The difference, V
OH
–
V
OL
, and the mirror gain, I
2
/I
3
, are two factors that cause the tachometer
gain constant to vary from 1.0.
Note 4. Be sure when choosing the time constant R1 x C1 that R1 is such that the maximum antici-
pated output voltage at Pin3 can be reached with I
3
x R1. The maximum value for R1 is lim-
ited by the output resistance of Pin3 which is greater than 10M
typically.
Note 5. Nonlinearity is defined as the deviation of V
OUT
(@ Pin3) for f
IN
= 5kHz from a straight line
defined by the V
OUT
@ 1kHz and V
OUT
@ 10kHz. C1 = 1000pF, R1 = 68k and C2 = 0.22mFd.
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| NTE9962 | 制造商:NTE Electronics 功能描述: |
| NTE9963 | 制造商:NTE Electronics 功能描述: 制造商:NTE Electronics 功能描述:Logic IC |
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