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ADCMP352 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADCMP352
Beschreibung Comparator and Reference Circuits
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 12 Seiten
ADCMP352 Datasheet, Funktion
Comparators and Reference Circuits
ADCMP350/ADCMP352/ADCMP354/ADCMP356
FEATURES
Comparators with 0.6 V on-chip references
Output stages:
Open-drain active-low (ADCMP350)
Push-pull active-low (ADCMP352)
Open-drain active-high (ADCMP354)
Push-pull active-high (ADCMP356)
High voltage (up to 22 V) tolerance on VIN and open-drain
output pins
Low power consumption (10 µA)
10 nA input bias current
15 mV hysteresis
5 µs propagation delay
Specified over −40°C to +125°C temperature range
4-lead SC70 package
APPLICATIONS
Voltage detectors
Microprocessor systems
Computers
Battery monitors
Intelligent instruments
Portable equipment
www.DataSheet4U.com
FUNCTIONAL BLOCK DIAGRAMS
VCC
ADCMP350/ADCMP352
REF
VIN
OUT (OD/PP)
GND
VCC
ADCMP354/ADCMP356
VIN
REF
OUT (OD/PP)
GND
Figure 1.
`
GENERAL DESCRIPTION
The ADCMP350/ADCMP352/ADCMP354/ADCMP356 parts
are comparator and reference circuits suitable for use in
general-purpose applications. The high voltage input and
output structures will allow voltages of up to 22 V on the input
of all devices and the output of the open-drain devices. High
performance over the −40°C to +125°C temperature range
makes them suitable for use in automotive and other thermally
harsh applications, while low power consumption and space-
efficient SC70 packaging make them ideal for battery-powered
portable equipment.
Table 1. Selection Table
Part No.
ADCMP350
ADCMP352
ADCMP354
ADCMP356
Reference Voltage (V)
0.6
0.6
0.6
0.6
Input Connection
Inverting
Inverting
Noninverting
Noninverting
Output
Open Drain
Push-Pull
Open Drain
Push-Pull
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.






ADCMP352 Datasheet, Funktion
ADCMP350/ADCMP352/ADCMP354/ADCMP356
TYPICAL PERFORMANCE CHARACTERISTICS
11.0
10.5
10.0
9.5
TA +125°C
TA +25°C
TA +85°C
9.0
8.5 TA –40°C
8.0
7.5
7.0
2.25 2.55 2.85 3.15 3.45 3.75 4.05 4.35 4.65 4.95 5.25 5.55
VCC (V)
Figure 3. ICC vs. VCC over Temperature.
700
680
660
640
620
VTRIP TRIP RISING
600
580 VTRIP TRIP FALLING
560
540
520
500
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 4. VIN Trip Threshold vs. Temperature.(VCC = 3.3V)
20
18
16
HYSTERESIS
14
12
10
8
6
4
2
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
Figure 5. VIN Trip Hysteresis vs. Temperature
20
18
16
14
12
10
8
6
4
2
0
0 2 4 6 8 10 12 14 16 18 20 22
VIN (V)
Figure 6. Supply Current vs. Input Voltage
200
180
160 TA = +25°C
140 TA = +85°C
120 TA = +125°C
100
TA = –40°C
80
60
40
20
0
0 2 4 6 8 10 12 14 16 18 20 22
VIN (V)
Figure 7. Input Leakage vs. Input Voltage
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
TA = 25°C
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3
VIN (V)
Figure 8. VIN Leakage Current vs. VIN Voltage (VCC = 3.8 V)
Rev. 0 | Page 6 of 12

6 Page









ADCMP352 pdf, datenblatt
ADCMP350/ADCMP352/ADCMP354/ADCMP356
NOTES
© 2004 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D05112-0-10/04(0)
Rev. 0 | Page 12 of 12

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