LTC1440(RevC) View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1440 Datasheet PDF : 16 Pages
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LTC1440/LTC1441/LTC1442
PIN FUNCTIONS
1
GND
2 V–
3 IN+
LTC1440
+
–
OUT 8
V+ 7
REF 6
1 OUT A LTC1441 OUT B 8
2 V–
A
+–
3 IN A+
V+ 7
B
–+
IN B+ 6
1 OUT A LTC1442 OUT B 8
2 V–
A
+–
3 IN A+
B
V+ 7
–+
REF 6
4 IN–
5
HYST
4 IN A–
IN B– 5
4 IN B–
V–
HYST 5
1440/1/2 PD
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 200µA and sink 15µA at 25°C.
Drive 0.01µF 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 200µA and sink 15µA at 25°C.
Drive 0.01µF 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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