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PDF LM2901S Data sheet ( Hoja de datos )
| Número de pieza | LM2901S | |
| Descripción | Single Supply Quad Comparators | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM2901S (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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LM339S, LM2901S
Single Supply Quad
Comparators
These comparators are designed for use in level detection, low−level
sensing and memory applications in consumer and industrial
electronic applications.
Features
• Single or Split Supply Operation
• Low Input Bias Current: 25 nA (Typ)
• Low Input Offset Current: ±5.0 nA (Typ)
• Low Input Offset Voltage
• Input Common Mode Voltage Range to GND
• Low Output Saturation Voltage: 130 mV (Typ) @ 4.0 mA
• TTL and CMOS Compatible
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
http://onsemi.com
MARKING DIAGRAMS
14
LM339SN
AWLYYWWG
1
PDIP−14
N SUFFIX
CASE 646
1
14
LM2901SN
AWLYYWWG
1
LMxxxx = Specific Device Code
A = Assembly Location
WL = Wafer Lot
Y, YY = Year
WW = Work Week
G = Pb−Free Package
PIN CONNECTIONS
Output 2 1
14 Output 3
Output 1 2
13 Output 4
VCC 3
- Input 1 4 *
+ Input 1 5 ) 1
12 GND
) 11 + Input 4
4 * 10 - Input 4
- Input 2 6 *)2
) 9 + Input 3
3*
+ Input 2 7
8 - Input 3
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information on page 5 of
this data sheet.
© Semiconductor Components Industries, LLC, 2014
October, 2014 − Rev. 0
1
Publication Order Number:
LM339S/D
1 page  
LM339S, LM2901S
APPLICATIONS INFORMATION
These quad comparators feature high gain, wide
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 (VOL to VOH). To alleviate this
situation input resistors < 10 kW should be used. The
addition of positive feedback (< 10 mV) is also
recommended. It is good design practice to ground all
unused input pins.
Differential input voltages may be larger than supply
voltages without damaging the comparator’s inputs.
Voltages more negative than −300 mV should not be used.
+15 V
R1
8.2 k
Vin
D1
R4
220 k
6.8 k
R2
R5
220 k
*
)
10 k
VO
15 k 10 M
R3
D1 prevents input from going negative by more than 0.6 V.
R1 + R2 = R3
R3 ≤ R5 for small error in zero crossing
10
Figure 6. Zero Crossing Detector
(Single Supply)
Vin(min) ≈ 0.4 V peak for 1% phase distortion (Dq).
Vin Vin(min)
VCC q
* 10 k
Vin + VO VCC
VO q
VEE
VEE Dq
Figure 7. Zero Crossing Detector
(Split Supplies)
ORDERING INFORMATION
Device
Package
Shipping†
LM339SNG
PDIP−14
(Pb−Free)
25 Units / Rail
LM2901SNG
PDIP−14
(Pb−Free)
25 Units / Rail
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet LM2901S.PDF ] | |
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