参数资料
型号: LTC1443CS#TRPBF
厂商: Linear Technology
文件页数: 12/14页
文件大小: 0K
描述: IC COMP W/REF LOWPWR QUAD 16SOIC
标准包装: 2,500
类型: 带电压基准
元件数: 4
输出类型: CMOS,TTL
电压 - 电源,单路/双路(±): 2 V ~ 11 V,±1 V ~ 5.5 V
电压 - 输入偏移(最小值): 10mV @ 5V
电流 - 输出(标准): 0.015mA @ 5V
电流 - 静态(最大值): 8.5µA
CMRR, PSRR(标准): 80dB CMRR,80dB PSRR
传输延迟(最大): 12µs
工作温度: 0°C ~ 70°C
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
安装类型: 表面贴装
包装: 带卷 (TR)
LTC1443/LTC1444/LTC1445
7
144345fe
pin FuncTions
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 Vto V+ – 1.3V. Input current
typically 10pA at 25°C.
IN A+ (Pin 5): Noninverting Input of Comparator A. Input
common mode range from Vto V+ – 1.3V. Input current
typically 10pA at 25°C.
IN B(Pin 6): Inverting Input of Comparator B. Input
common mode range from Vto V+ – 1.3V. Input current
typically 10pA at 25°C.
IN B+ (Pin 7): Noninverting Input of Comparator B. Input
common mode range from Vto V+ – 1.3V. Input current
typically 10pA at 25°C.
REF (Pin 8): Reference Output. With respect to V. Can
source up to 200A and sink 15A at 25°C. Drive 0.01F
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 Vto V+ – 1.3V. Input current
typically 10pA at 25°C.
IN C+ (Pin 11): Noninverting Input of Comparator C. Input
common mode range from Vto V+ – 1.3V. Input current
typically 10pA at 25°C.
IN D(Pin 12): Inverting Input of Comparator D. Input
common mode range from Vto V+ – 1.3V. Input current
typically 10pA at 25°C.
IN D+ (Pin 13): Noninverting Input of Comparator D. Input
common mode range from Vto V+ – 1.3V. Input current
typically 10pA at 25°C.
GND (Pin 14): LTC1443 Ground. Connect to Vfor 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.
OUTD(Pin15):ComparatorDOutput.(Open-drainoutput
for LTC1444). Output can source up to 40mA (LTC1443,
LTC1445) and sink 5mA.
OUT C (Pin 16): Comparator C Output. (Open-drain output
for LTC1444). Output can source up to 40mA (LTC1443,
LTC1445) and sink 5mA.
Exposed Pad (Pin 17, DFN Package): This pin is internally
connected to V–. Connection is optional, but will improve
thermal dissipation.
+
+
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
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1.2V
+ –
+
+
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
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
144345 PF
1.2V
+ –
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