參數(shù)資料
型號(hào): LTC1445
廠商: Linear Technology Corporation
英文描述: Ultralow Power Quad Comparators with Reference
中文描述: 超低電源四路比較與參考
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 176K
代理商: LTC1445
6
LTC1443/LTC1444/LTC1445
+
+
OUT B
OUT A
V
+
IN A
IN A
+
IN B
IN B
+
REF
OUT C
OUT D
GND
IN D
+
IN D
IN C
+
IN C
V
+
+
LTC1443
1.182V
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1443/44/45 PD01
+
+
OUT B
OUT A
V
+
IN A
IN A
+
IN B
IN B
+
REF
OUT C
OUT D
HYST
IN D
+
IN D
IN C
+
IN C
V
+
+
LTC1444/LTC1445
1.221V
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
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 200
μ
A and sink 15
μ
A at 25
°
C. Drive 0.01
μ
F
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 V
REF
to V
REF
– 50mV.
PIU
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PDF描述
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