LPV7215 반도체 회로 부품 판매점
Push-Pull Output Comparator
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 National Semiconductor |
PRELIMINARY
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LPV7215
580 nA Rail-to-Rail Input and Output, 1.8V, Push-Pull
Output Comparator
General Description
The LPV7215 is an ultra low-power comparator with a typical
power supply current of 580 nA. It has the best-in-class
power supply current versus propagation delay performance
available among National’s low-power comparators. The
propagation delay is as low as 4.5 microseconds with 100
mV overdrive at 1.8V supply.
Designed to operate over a wide range of supply voltages,
from 1.8V to 5.5V, the LPV7215, with guaranteed operation
at 1.8V, 2.7V and 5.0V, is ideal for use in a variety of
battery-powered applications. With rail-to-rail common mode
voltage range, the LPV7215 is well suited for single-supply
operation.
Featuring a push-pull output stage, the LPV7215 allows for
operation with absolute minimum power consumption when
driving any capacitive or resistive load.
With an operating temperature range of −40˚C to 125˚C, this
comparator can be adopted for extreme temperature appli-
cations. Available in a choice of space-saving packages, the
LPV7215 is ideal for use in handheld electronics and mobile
phone applications. The LPV7215 is manufactured with Na-
tional’s advanced VIP50 process.
Features
(Typical unless otherwise noted)
n Ultra low power consumption
n Wide supply voltage range
n Propagation delay
n Push-Pull output current drive
n Temperature range
n Rail-to-rail input
n Tiny SOT23-5 and SC70-5 packages
Applications
n Laptop computers
n Mobile phones
n RC timers
n Alarm and monitoring circuits
n Window comparators
n Multivibrators
580 nA
1.8V to 5.5V
4.5 µs
19 mA
-40˚C to 125˚C
Typical Application
Threshold Detector
20123601
20123602
Propagation Delay vs. Overdrive
© 2005 National Semiconductor Corporation DS201236
www.national.com
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance (Note 2)
Human Body
Machine Model
VIN Differential
Supply Voltage (V+ - V−)
Voltage at Input/Output pins
Storage Temperature Range
Junction Temperature (Note 3)
2000V
200V
±2.5V
6V
V+ +0.3V, V− −0.3V
−65˚C to +150˚C
+150˚C
Soldering Information
Infrared or Convection (20 sewc)ww.DataSheet4U.c23o5m˚C
Wave Soldering Lead Temp. (10
sec) 260˚C
Operating Ratings (Note 1)
Temperature Range (Note 3)
−40˚C to +125˚C
Supply Voltage (V+ – V−)
1.8V to 5.5V
Package Thermal Resistance (θJA (Note 3))
5-Pin SOT23
234˚C/W
5-Pin SC70
456˚C/W
1.8V Electrical Characteristics (Note 8)
Unless otherwise specified, all limits are guaranteed for TJ = 25˚C, V+ = 1.8V, V− = 0V, and VCM = V+/2, VO= V−. Boldface
limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min Typ Max
(Note 5) (Note 4) (Note 5)
Units
IS
VOS
TC VOS
IB
IOS
CMRR
PSRR
CMVR
Supply Current
Input Offset Voltage
Input Offset Average Drift
Input Bias Current (Note 6)
Input Offset Current
Common Mode Rejection
Ratio
Power Supply Rejection Ratio
Input Common-Mode Voltage
Range
VCM = 0.3V, TA= 25˚C
VCM = 0.3V, −40˚C to 85˚C
VCM = 0.3V, −40˚C to 125˚C
VCM = 1.5V, TA= 25˚C
VCM = 1.5V, −40˚C to 85˚C
VCM = 1.5V, −40˚C to 125˚C
VCM = 0V
VCM = 1.8V
(Note 7)
VCM = 0.5V
VCM = 1.3V
VCM Stepped from 0V to 0.7V
VCM Stepped from 1.2V to 1.8V
V+ = 1.8V to 5V, VCM = 0V
CMRR ≥ 50 dB
580
790
±0.3
±2
645
681
980
875
912
1155
±3
±4
nA
mV
µV/C
−5 fA
1
80 90
fA
dB
75 93
dB
1.8 0 V
AV
VO
IOUT
Voltage Gain
Output Swing High
Output Swing Low
Output Current
IO = 500 µA
IO = 1 mA
IO = −500 µA
IO = −1 mA
Source
Sink
120
1.68
1.54
120
260
2.0 2.26
2.7 3.1
dB
V
mV
mA
Propagation Delay
(High to Low)
Overdrive = 10 mV
Overdrive = 100 mV
13
µs
4.5
Propagation Delay
(Low to High)
Overdrive = 10 mV
Overdrive = 100 mV
12.5
6.6
µs
trise Rise Time
Overdrive = 10 mV
CL = 30 pF, RL = 1 MΩ
Overdrive = 100 mV
CL = 30 pF, RL = 1 MΩ
80
ns
80
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