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LTC1841 数据表(PDF) 6 Page - Linear Technology

部件名 LTC1841
功能描述  Ultralow Power Dual Comparators with Reference
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1841 数据表(HTML) 6 Page - Linear Technology

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6
LTC1841/LTC1842/LTC1843
PIN FUNCTIONS
OUT A (Pin 1): Comparator A Open-Drain Output. Output
can typically sink greater than 20mA.
V – (Pin 2): Negative Supply.
IN A+ (Pin 3): Noninverting Input of Comparator A. Input
common mode range extends from V – to V + – 1.3V. Input
current is typically 10pA at 25
°C.
IN A – (Pin 4) (LTC1841): Inverting Input of Comparator A.
Input common mode range extends from V – to V + – 1.3V.
Input current is typically 10pA at 25
°C.
IN B+ (Pin 4) (LTC1842): Noninverting Input of Compara-
tor B. Input common mode range extends from V – to
V + – 1.3V. Input current is typically 10pA at 25
°C.
IN B– (Pin 4) (LTC1843): Inverting Input of Comparator B.
Input common mode range extends from V – to V + – 1.3V.
Input current is typically 10pA at 25
°C.
IN B– (Pin 5) (LTC1841): Inverting Input of Comparator B.
Input common mode range extends from V – to V + – 1.3V.
Input current is typically 10pA at 25
°C.
HYST (Pin 5) (LTC1842/LTC1843): Hysteresis Input.
Connect to REF if not used. Input voltage range is from
VREF to VREF – 50mV.
IN B+ (Pin 6) (LTC1841): Noninverting Input of Compara-
tor B. Input common mode range extends from V – to
V + – 1.3V. Input current is typically 10pA at 25
°C.
REF (Pin 6) (LTC1842/LTC1843): Reference Output.
1.182V with respect to V –. Can typically source greater
than 1mA and sink 10
µA at 25°C. Can drive 0.01µF bypass
capacitor without oscillation.
V + (Pin 7) (LTC1841): Positive Supply. 2V to 11V.
V + (Pin 7) (LTC1842/LTC1843): Positive Supply. 2.5V to
11V.
OUT B (Pin 8): Comparator B Open-Drain Output. Output
can typically sink greater than 20mA.
1841 PD
V –
V +
OUT A
LTC1841
1
2
3
4
8
7
6
5
IN A+
IN A–
IN B+
IN B–
OUT B
–
+
–
+
A
B
1842 PD
V –
V –
V +
OUT A
LTC1842
1
2
3
4
8
7
6
5
IN A+
IN B+
REF
HYST
OUT B
–
+
–
+
A
B
1843 PD
V –
V –
V +
OUT A
LTC1843
1
2
3
4
8
7
6
5
IN A+
IN B–
REF
HYST
OUT B
–
+
–
+
A
B



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