LM339DR2 ON Semiconductor, LM339DR2 Datasheet - Page 6

• Manufacturer Part Number: LM339DR2
• Description: IC COMP QUAD SGL SUPPLY 14SOIC
• Manufacturer: ON Semiconductor
• Type: General Purposer

Specifications of LM339DR2

• Number Of Elements: 4
• Output Type: CMOS, Open-Collector, TTL
• Voltage - Supply: 3 V ~ 36 V, ±1.5 V ~ 18 V
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LM339DR2OSCT

bandwidth characteristics. This gives the device oscillation
tendencies if the outputs are capacitively coupled to the
inputs via stray capacitance. This oscillation manifests itself
during output transitions (V
situation input resistors < 10 kW should be used. The
These quad comparators feature high gain, wide
V
in
D1 prevents input from going negative by more than 0.6 V.
Figure 9. Zero Crossing Detector
8.2 k
R1
D1
R3 ≤
R5
10
220 k
6.8 k
(Single Supply)
R2
R4
for small error in zero crossing
R1 + R2 = R3
220 k
15 k
R5
R3
OL
to V
*
)
+15 V
OH
10 M
). To alleviate this
APPLICATIONS INFORMATION
10 k
V
O
http://onsemi.com
6
V
in
addition of positive feedback (< 10 mV) is also
recommended. It is good design practice to ground all
unused input pins.
voltages without damaging the comparator’s inputs.
Voltages more negative than −300 mV should not be used.
Differential input voltages may be larger than supply
V
in(min)
Figure 10. Zero Crossing Detector
≈ 0.4 V peak for 1% phase distortion (Dq).
*
+
V
V
CC
EE
(Split Supplies)
10 k
V
O
V
V
V
V
in
CC
O
EE
V
Dq
in(min)
q
q