NCX2222 Datasheet PDF - NXP Semiconductors
| Part Number | NCX2222 | |
| Description | Low voltage comparator | |
| Manufacturers | NXP Semiconductors | |
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NCX2222
Low voltage comparator; open-drain output
Rev. 1 — 20 December 2012
Product data sheet
1. General description
The NCX2222 provides a dual, low voltage, low-power comparator with open-drain
outputs.
The NCX2222 has a very low supply current of 5 A 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 it
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 A (typical) per comparator
Very low-power consumption
No phase inversion with overdriven input signals
Internal hysteresis
Propagation delay of 0.8 s (typical)
ESD protection:
HBM JESD22-A114F Class 1C. Exceeds 1500 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
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NXP Semiconductors
NCX2222
Low voltage comparator; open-drain output
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 hysteresis voltage
6
VCC = 1.3 V
-
VI(offset) offset input voltage
[1] 30
VCC = 1.3 V
[1] -
VOL LOW-level output IO = 0.5 mA; VCC = 1.3 V
voltage
IO = 0.5 mA; VCC = 1.6 V
-
-
IO = 3 mA; VCC = 3.0 V
-
IO = 5 mA; VCC = 5.5 V
-
IOZ OFF-state output IN = VEE; IN+ = VCC; VO = 5.5
current
V
-
9
20
+0.5
3
0.05
0.04
0.14
0.20
3
13 -
--
+30 30
--
--
--
--
--
--
- mV
- mV
+30 mV
- mV
-V
0.25 V
0.3 V
0.3 V
- nA
VCM common-mode VCC = 1.3 V to 5.5 V
voltage
- VEE to VCC -
-
-V
IOS output short-circuit VCC = 5.5 V; VO = VEE or VCC
current
- 68
--
- mA
CMRR common-mode
rejection ratio
VCM = VCC
- 70
--
- dB
PSRR power supply
rejection ratio
VCC = 1.95 V
45 80
--
- dB
IIB input bias current
ICC
supply current
per comparator
- 1.0 - -
- pA
- 5.0 - - 7.0 A
[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
[1] - 0.8 -
tt
transition time
HIGH to LOW; VCC = 5.5 V; CL = 50 pF [2]
-
10
-
[1] tpd is the same as tPLZ and tPZL; tPLZ is the actual time that the output is disabled.
[2] Input signal: 1 kHz, square wave signal with 10 ns edge rate.
Unit
s
ns
NCX2222
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 20 December 2012
© NXP B.V. 2012. All rights reserved.
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