LTC1440 LINER [Linear Technology], LTC1440 Datasheet - Page 6

• Manufacturer Part Number: LTC1440
• Description: Ultralow Power Single/Dual Comparator with Reference
• Manufacturer: LINER [Linear Technology]

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