参数资料
型号: LTC1040CSW#PBF
厂商: Linear Technology
文件页数: 12/12页
文件大小: 0K
描述: IC COMPARATOR LOW PWR DUAL18SOIC
标准包装: 40
系列: LTCMOS™
类型: 通用
元件数: 2
输出类型: CMOS,TTL
电压 - 电源,单路/双路(±): 2.8 V ~ 16 V,±2.8 V ~ 8 V
电压 - 输入偏移(最小值): 4.5mV @ ±8V
电流 - 输入偏压(最小值): 300pA @ ±5V
电流 - 静态(最大值): 3mA
工作温度: -40°C ~ 85°C
封装/外壳: 18-SOIC(0.295",7.50mm 宽)
安装类型: 表面贴装
包装: 管件
9
LTC1040
1040fa
TYPICAL APPLICATIO S
U
Complete Heating/Cooling Automatic Thermostat
5k
TEMP
ADJUST
6.81k
4.32k
4.99k
82k*
20M
82k*
SEPARATION
(20mV)
LTC1040 TA03
+
COMP B
LTC1040
+
COMP A
5
17
18
4
3
15
16
10
0.1
F
10M
COOL
HEAT
9
6
7
8
14
13
12
11
20M
THERMISTOR # 44007
YELLOW SPRINGS INSTRUMENT CO., INC.
HYSTERESIS = 5V
= 20mV
5V AT 0.85
A
*
82k
20M
28
°C
27
°C
HEAT
COOL
TIME
LTC1040 TA04
HEATER ON
TEMPERA
TURE
HEATER OFF
AIRCONDITIONING OFF
AIRCONDITIONING ON
HYSTERESIS
SEPARATION
Window Comparator with Independent Window Limits and
Fully Floating Differential Input
Hysteresis Comparator with Fully Floating Differential Input
AOUT = “1” WHEN
VIN > VU
BOUT = “1” WHEN
VIN < VL
A+B = “1” WHEN
VU ≥ VIN ≥ VL
LTC1040 TA05
+
+
COMP A
COMP B
LTC1040
VL
VIN
VU
VIN
OUT = “0” WHEN VIN > VU =
= 0.996 VTRIP + 20mV
VTRIP
LTC1040 TA06
V+
R2
2.49M
R1
10k
OUT
+
1/2 LTC1040
*
VTRIP R2 + (5V) R1
R1 + R2
OUT = “1” WHEN VIN < V1 =
TO CENTER HYSTERESIS ABOUT VTRIP, FORCE THIS INPUT TO
HYSTERESIS/2 (10mV)
= 0.996VTRIP
VTRIP R2
R1 + R2
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