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參數(shù)資料
| 型號(hào)： | MAX967EUA |
| 廠(chǎng)商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Single/Dual/Quad, Micropower, Ultra-Low-Voltage, Rail-to-Rail I/O Comparators |
| 中文描述： | DUAL COMPARATOR, 15000 uV OFFSET-MAX, 20000 ns RESPONSE TIME, PDSO8 |
| 封裝： | MO-187C-AA, MICRO MAX PACKAGE-8 |
| 文件頁(yè)數(shù)： | 11/12頁(yè) |
| 文件大?。?/td> | 116K |
| 代理商： | MAX967EUA |
M
Single/Dual/Quad, Micropower,
Ultra-Low-Voltage, Rail-to-Rail I/O Comparators
______________________________________________________________________________________
11
3) Calculate R1: R1 = (R3 + R4) x (V
HB
/ V
CC
). Putting
in the values for this example, R1 = (2.2M
+ 10k) x
(50mV / 5.0V) = 22.1k
.
4) Choose the trip point for V
IN
rising. This is the
threshold voltage where the comparator output tran-
sitions from low to high as V
IN
rises above the trip
point. For this example, choose 3.0V.
5) Calculate R2 as follows:
where V
THR
is the rising-voltage trip threshold.
Choose a standard value of 15k
.
6) Verify trip voltages and hysteresis as follows:
where V
THR
is the rising-voltage trip point, and V
THF
is the falling-voltage trip point.
Circ uit Layout and Bypassing
Power-supply bypass capacitors are not needed if sup-
ply impedance is low, but 100nF bypass capacitors
should be used when supply impedance is high or
when supply leads are long. Minimize signal lead
lengths to reduce stray capacitance between the input
and output that might cause instability.
IR Rec eiver
Figure 5 shows an application using the MAX965 as an
infrared receiver. The infrared photodiode creates a
current relative to the amount of infrared light present.
This current creates a voltage across R1. When this
voltage level crosses the reference voltage applied to
the inverting input, the output transitions. Optional R3
provides additional hysteresis for noise immunity.
2-Cell to T T L Logic -Level S hifter
Figure 6 shows an application using the MAX965
to convert a 2-cell voltage-level signal into a TTL-
compatible signal. The supply voltage for the compara-
tor comes from the 2-cell supply. The output is pulled
up to a 5V supply.
V
ri
g
V
V
x R
R
R
R
R
V
falling
V
V
R
R
x V
+
3
R
Hysteresis
V
V
IN
THR
REF
IN
THF
THR
CC
4
THR
THF
sin :
1
+
:
=
+
+
=
=
1
1
1
2
1
3
4
1
R
V
V
x R
R
R
R
R
V
22
x
k
k
M
k
k
THR
REF
2
1
1
1
1
1
1
1
+
3
4
2
3 0
.
1.
22
1
+
2 2
.
10
14 76
.
=
=
=
GND
V
CC
V
CC
V
CC
V
CC
0.1
μ
F
OUT
R3
R
D
R
PULL-UP
REF
MAX965
HYST
Figure 5. IR Receiver
GND
V
CC
+5V
2 CELLS
0.1
μ
F
OUT
INPUT
REF
MAX965
HYST
Figure 6. 2-Cell to TTL Logic-Level Translator
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX967EUA+ | 功能描述:校驗(yàn)器 IC Dual Comparator / Reference RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類(lèi)型: 通道數(shù)量: 輸出類(lèi)型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX967EUA+T | 功能描述:校驗(yàn)器 IC Dual Comparator / Reference RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類(lèi)型: 通道數(shù)量: 輸出類(lèi)型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX967EUA-T | 功能描述:校驗(yàn)器 IC Dual Comparator / Reference RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類(lèi)型: 通道數(shù)量: 輸出類(lèi)型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX967EUA-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9680AXT+T | 功能描述:視頻放大器 3V Video Amplifier RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類(lèi)型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
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