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LTC1440IS8 Datasheet(PDF) 9 Page - Linear Technology

Part # LTC1440IS8
Description  Ultralow Power Single/Dual Comparator with Reference
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1440IS8 Datasheet(HTML) 9 Page - Linear Technology

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9
LTC1440/LTC1441/LTC1442
144012fc
PIN FUNCTIONS
V
V +
OUT A
LTC1441
1
2
3
4
8
7
6
5
IN A+
IN A
IN B+
IN B
OUT B
1440/1/2 PD
+
A
+
B
V
V
V +
OUT A
LTC1442
1
2
3
4
8
7
6
5
IN A+
IN B
REF
HYST
OUT B
1
2
3
4
8
7
6
5
IN+
IN
HYST
REF
V+
OUT
+
V
GND
LTC1440
+
+
A
B
LTC1440
GND (Pin 1): Ground. Connect to V for single supply
operation.
V (Pin 2): Negative Supply. Connect to ground for single
supply operation. Potential should be more negative than
GND.
IN + (Pin 3): Noninverting Comparator Input. Input com-
mon mode range from V to V + –1.3V. Input current
typically 10pA at 25
°C.
IN (Pin 4): Inverting Comparator Input. Input common
mode range from V to V + –1.3V. Input current typically
10pA at 25
°C.
HYST (Pin 5): Hysteresis Input. Connect to REF if not
used. Input voltage range is from VREF to VREF – 50mV.
REF (Pin 6): Reference Output. 1.182V with respect
to V . Can source up to 200
µA and sink 15µA at 25°C.
Drive 0.01
µF bypass capacitor without oscillation.
V + (Pin 7): Positive Supply. 2V to 11V.
OUT (Pin 8): Comparator CMOS Output. Swings from
GND to V +. Output can source up to 40mA and sink 5mA.
LTC1441
OUT A (Pin 1): Comparator A CMOS Output. Swings from
V to V +. Output can source up to 40mA and sink 5mA.
V (Pin 2): Negative Supply.
IN A+ (Pin 3): Noninverting Input of Comparator A. Input
common mode range from V to V + –1.3V. Input current
typically 10pA at 25
°C.
IN A(Pin 4): Inverting Input of Comparator A. Input
common mode range from V to V + –1.3V. Input current
typically 10pA at 25
°C.
IN B (Pin 5): Inverting Input of Comparator B. Input
common mode range from V to V + –1.3V. Input current
typically 10pA at 25
°C.
IN B + (Pin 6): Noninverting Input of Comparator B. Input
common mode range from V to V + –1.3V. Input current
typically 10pA at 25
°C.
V + (Pin 7): Positive Supply. 2V to 11V.
OUT B (Pin 8): Comparator B CMOS Output. Swings from
V to V +. Output can source up to 40mA and sink 5mA.
LTC1442
OUT A (Pin 1): Comparator A CMOS Output. Swings from
V to V +. Output can source up to 40mA and sink 5mA.
V (Pin 2): Negative Supply.
IN A+ (Pin 3): Noninverting Input of Comparator A. Input
common mode range from V to V + –1.3V. Input current
typically 10pA at 25
°C.
IN B(Pin 4): Inverting Input of Comparator B. Input
common mode range from V to V + –1.3V. Input current
typically 10pA at 25
°C.
HYST (Pin 5): Hysteresis Input. Connect to REF if not
used. Input voltage range is from VREF to VREF – 50mV.
REF (Pin 6): Reference Output. 1.182V with respect
to V . Can source up to 200
µA and sink 15µA at 25°C.
Drive 0.01
µF bypass capacitor without oscillation.
V + (Pin 7): Positive Supply. 2V to 11V.
OUT B (Pin 8): Comparator B CMOS Output. Swings from
V to V +. Output can source up to 40mA and sink 5mA.


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