NTE890 NTE ELECTRONICS, NTE890 Datasheet - Page 2
![IC, V/F CONVERTER, 8-DIP](/photos/40/76/407683/4767692_sml.jpg)
NTE890
Manufacturer Part Number
NTE890
Description
IC, V/F CONVERTER, 8-DIP
Manufacturer
NTE ELECTRONICS
Datasheet
1.NTE890.pdf
(2 pages)
Specifications of NTE890
Supply Voltage Range
8V To 22V
Digital Ic Case Style
DIP
No. Of Pins
8
Supply Voltage Max
22V
Operating Temperature Range
-20°C To +75°C
Supply Voltage Min
8V
Package / Case
8-DIP
Rohs Compliant
Yes
Input Voltage Primary Max
22V
Output Current Max
20mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Electrical Characteristics (Cont’d): (V+ = +15V, T
Note 2. The voltage applied to comparator input Pin6 and Pin7 should not be allowed to go below
Note 3. Pin3 and Pin5 are open–collector outputs. Shorts between these pins and V+ can cause
Note 4. Reference voltage terminal Pin2 is connected to the emitter of an NPN transistor and is held
Note 5. Avoid stray coupling between Pin5 and Pin7 which could cause false triggering. If false trig-
Current Source
Logic Output V
Change with Voltage
Off Leakage
Reference Voltage
V
Off Leakage
Output Current
SAT
GND by more than 300mV.
overheating and eventual destruction.
at approximately 1.9V. This terminal should be protected from accidental shorts to GND or
supply voltages. Permanent damage may occur if current in Pin2 exceeds 5mA.
gering is experienced with the precision mode circuits, bypass Pin6 to GND with at least
0.01 F. This is necessary for operation above 10kHz.
Parameter
SAT
Current Source
Logic Output
Scale Factor
.100 (2.54)
GND
R
Pin1, V+ = 0V to 10V
Pin1, V+ = 0V
Pin2
Pin3, I = 3mA
Pin3, I = 2mA
S
= 14k , Pin1, V+ = 0V
Pin Connection Diagram
Test Conditions
8
1
1
2
3
4
.390 (9.9)
Max
5
4
.300 (7.62)
A
(3.93)
.155
.260 (6.6)
= +25 C unless otherwise specified)
.145 (3.68)
8
7
6
5
V
Input Voltage
Threshold
One–Shot R, C
CC
(7.62)
.300
1.70
Min
–
–
–
–
–
–
138.7
1.90
0.15
0.10
Typ
1.0
0.1
1
Max
2.08
0.50
0.30
2.5
1.0
50
–
Unit
nA
V
V
V
A
A
A