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PDF NCX2220 Data sheet ( Hoja de datos )
| Número de pieza | NCX2220 | |
| Descripción | Low voltage comparator | |
| Fabricantes | NXP Semiconductors | |
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NCX2220
Low voltage comparator
Rev. 4 — 27 June 2012
Product data sheet
1. General description
The NCX2220 provides a dual low voltage low power comparator.
The NCX2220 has a very low supply current of 5 μA per comparator and is guaranteed to
operate at a low voltage of 1.3 V. It is fully operational up to 5.5 V which makes this device
convenient for use in both 3.0 V and 5.0 V systems.
2. Features and benefits
Wide supply voltage range from 1.3 V to 5.5 V (functional operating range)
Rail-to-rail input/output performance
Very low supply current of 5 μA (typical) per comparator
Very low-power consumption
No phase inversion with overdriven input signals
Internal hysteresis
Propagation delay of 0.8 μs (typical)
ESD protection:
HBM JESD22-A114F Class 3A. Exceeds 2000 V
CDM JESD22-C101E exceeds 1000 V
Multiple package options
Specified from −40 °C to +85 °C
3. Applications
Cellular telephones
Alarm and security systems
Personal Digital assistants
1 page  
NXP Semiconductors
NCX2220
Low voltage comparator
10. Static characteristics
Table 6. Static characteristics
At recommended operating conditions. VCC = 1.6 V to 5.5 V, VEE = 0 V; VCM = 0.5VCC unless otherwise specified.
Symbol Parameter
Conditions
25 °C
−40 °C to +85 °C
Unit
Min
Typ
Max Min
Max
VH
VI(offset)
VOH
VOL
VCM
hysteresis voltage
VCC = 1.3 V
offset input voltage
HIGH-level output
voltage
LOW-level output
voltage
common-mode
voltage
VCC = 1.3 V
IO = −0.5 mA; VCC = 1.3 V
IO = −0.5 mA; VCC = 1.6 V
IO = −3 mA; VCC = 3.0 V
IO = −5 mA; VCC = 5.5 V
IO = 0.5 mA; VCC = 1.3 V
IO = 0.5 mA; VCC = 1.6 V
IO = 3 mA; VCC = 3.0 V
IO = 5 mA; VCC = 5.5 V
VCC = 1.3 V to 5.5 V
6
-
[1] −30
[1] -
-
-
-
-
-
-
-
-
-
9
20
0.5
3
1.24
1.55
2.85
5.33
0.05
0.04
0.14
0.20
VEE to VCC
13
-
+30
-
-
-
-
-
-
-
-
-
-
-
-
−30
-
-
1.35
2.7
5.2
-
-
-
-
-
- mV
- mV
+30 mV
- mV
-V
-V
-V
-V
-V
0.25 V
0.3 V
0.3 V
-V
IOS output short-circuit VCC = 5.5 V; VO = VEE or VCC
current
- 68 - - - mA
CMRR common-mode
rejection ratio
ΔVCM = VCC
- 70 - - - dB
PSRR power supply
rejection ratio
ΔVCC = 1.95 V
45 80
--
- dB
IIB input bias current
ICC
supply current
per comparator
- 1.0 - -
- pA
- 5.0 - - 7.0 μA
[1] Differential input switching level is guaranteed at the minimum or maximum offset voltage, minus or plus half the maximum hysteresis
voltage.
11. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to VEE (VEE = 0 V);VCC = 1.6 V to 5.5 V; VCM = 0.5VCC unless otherwise specified.
Symbol Parameter
Conditions
25 °C
Min Typ Max
tpd propagation delay 20 mV overdrive; CL = 15 pF
tTHL HIGH to LOW output VCC = 5.5 V; CL = 50 pF
transition time
[1] - 0.8 -
[2] - 10 -
tTLH LOW to HIGH output VCC = 5.5 V; CL = 50 pF
transition time
[2] - 10 -
[1] tpd is the same as tPLH and tPHL.
[2] Input signal: 1 kHz, squarewave signal with 10 ns edge rate.
Unit
μs
ns
ns
NCX2220
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 27 June 2012
© NXP B.V. 2012. All rights reserved.
5 of 20
5 Page 
NXP Semiconductors
NCX2220
Low voltage comparator
13.5 One-shot multivibrator
Figure 18 shows the NCX2220 configured as a one-shot multivibrator.
VCC
100 pF
t0
R1
1 MΩ
R2
1 MΩ
IN-
IN+
OUT
VCC
VO 0
t0 t1
C1
R3
001aan907
The resistor divider R1 and R2 can be used to set the magnitude of the input pulse. The pulse
width is set by adjusting C1 and R3.
Fig 18. One-shot multivibrator
13.6 Logic level translator
Figure 19 shows the NCX2220 configured as a logic level translator.
+5 V
220 kΩ
100 kΩ
IN-
IN+
OUT
+5 V logic output
+3 V logic input
This circuit converts 3 V logic to 5 V logic.
Fig 19. Logic level translator
001aan908
NCX2220
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 27 June 2012
© NXP B.V. 2012. All rights reserved.
11 of 20
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| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet NCX2220.PDF ] | |
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