NTE890 NTE ELECTRONICS, NTE890 Datasheet - Page 2

• Manufacturer Part Number: NTE890
• Description: IC, V/F CONVERTER, 8-DIP
• Manufacturer: NTE ELECTRONICS

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