LTC1441CS8 datasheet(6/12 Pages) LINER

6 / 12 page

LTC1440/LTC1441/LTC1442

PIN FUNCTIONS

V –

V +

OUT A

LTC1441

IN A+

IN A–

IN B+

IN B–

OUT B

1440/1/2 PD

–

V –

V +

OUT A

LTC1442

IN A+

IN B–

REF

HYST

OUT B

IN+

IN–

HYST

REF

V+

OUT

–

V –

GND

LTC1440

–

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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