LTC1443CN(RevA) View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1443CN Datasheet PDF : 12 Pages
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LTC1443/LTC1444/LTC1445
PI FU CTIO S
1 OUT B
2 OUT A
LTC1443
OUT C 16
OUT D 15
3 V+
–+
4 IN A–
5 IN A+
14
GND
IN D+ 13
IN D– 12
1 OUT B
2 OUT A
LTC1444/LTC1445
3 V+
–+
4 IN A–
5 IN A+
OUT C 16
OUT D 15
14
HYST
IN D+ 13
IN D– 12
–
6 IN B –
7 IN B+
8 REF
+
1.182V
IN C+ 11
IN C– 10
V– 9
–
6 IN B –
7 IN B+
8 REF
+
1.221V
IN C+ 11
IN C– 10
V– 9
1443/44/45 • PD01
1443/44/45 • PD02
OUT B (Pin 1): Comparator B Output. (Open-drain output
for LTC1444). Output can source up to 40mA (LTC1443,
LTC1445) and sink 5mA.
OUT A (Pin 2): Comparator A Output. (Open-drain output
for LTC1444). Output can source up to 40mA (LTC1443,
LTC1445) and sink 5mA.
V+ (Pin 3): Positive Supply.
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 A + (Pin 5): 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 6): 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 7): Noninverting Input of Comparator B. Input
common mode range from V – to V + – 1.3V. Input current
typically 10pA at 25°C.
REF (Pin 8): Reference Output. With respect to V –. Can
source up to 200µA and sink 15µA at 25°C. Drive 0.01µF
bypass capacitor without oscillation.
V – (Pin 9): Negative Supply. Connect to ground for single
supply operation on LTC1443.
IN C – (Pin10): Inverting Input of Comparator C. Input
common mode range from V – to V + – 1.3V. Input current
typically 10pA at 25°C.
IN C + (Pin 11): Noninverting Input of Comparator C. Input
common mode range from V – to V + – 1.3V. Input current
typically 10pA at 25°C.
IN D – (Pin 12): Inverting Input of Comparator D. Input
common mode range from V – to V + – 1.3V. Input current
typically 10pA at 25°C.
IN D + (Pin 13): Noninverting Input of Comparator D. Input
common mode range from V – to V + – 1.3V. Input current
typically 10pA at 25°C.
GND (Pin 14): LTC1443 Ground. Connect to V– for single
supply operation.
HYST (Pin 14): LTC1444/LTC1445 Hysteresis Input. Con-
nect to REF if not used. Input voltage range is from VREF
to VREF – 50mV.
6
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