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參數(shù)資料
| 型號(hào)： | MAX9030-MAX9034 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Cost, Ultra-Small, Single/Dual/Quad Single-Supply Comparators |
| 中文描述： | 低成本，超小型，單/雙/四路，單電源比較 |
| 文件頁(yè)數(shù)： | 6/11頁(yè) |
| 文件大?。?/td> | 344K |
| 代理商： | MAX9030-MAX9034 |
M
Detailed Description
The MAX9030/MAX9031/MAX9032/MAX9034 are sin-
gle/dual/quad low-cost comparators. They have an
operating supply voltage from +2.5V to +5.5V when
operating from a single supply and from ±1.25V to
±2.75V when operating from dual power supplies, and
consume only 35μA. Their common-mode input voltage
range extends from the negative supply to within 1.1V
of the positive supply. Internal hysteresis ensures clean
output switching, even with slow-moving input signals.
Shutdown Mode
The MAX9030 comparator comes with a power-saving
shutdown mode. When in shutdown, the supply current
drops from a typical 35μA to 0.05μA, and the outputs
become high impedance.
SHDN
has a high input imped-
ance and typically draws 0.1μA when connected to V
SS
or V
DD
. A maximum logic low voltage of 0.3V
V
DD
applied to
SHDN
places the device in the shutdown
mode. A minimum logic high voltage of 0.7V
V
DD
applied to
SHDN
will enable normal operation. To dis-
able shutdown, connect
SHDN
to V
DD
.
Applications Information
Adding Hysteresis
Hysteresis extends the comparator
’
s noise margin by
increasing the upper threshold and decreasing the
lower threshold. A voltage-divider from the output of the
comparator sets the trip voltage. Therefore, the trip volt-
age is related to the output voltage.
These comparators have 4mV internal hysteresis.
Additional hysteresis can be generated with two resis-
tors using positive feedback (Figure 1). Use the follow-
ing procedure to calculate resistor values:
Low-Cost, Ultra-Small, Single/Dual/Quad
Single-Supply Comparators
6
_______________________________________________________________________________________
Pin Description
PIN
M A X9 0 3 0
M A X9 0 3 1
M A X9 0 3 2
M A X9 0 3 4
NAME
FUNCTION
1
1
—
—
IN+
Comparator Noninverting Input
2
2
4
11
V
SS
N eg ati ve S up p y V ol ag e. Byp ass w h a 0.1μF cap aci or
3
3
—
—
IN-
Comparator Inverting Input
4
4
—
—
OUT
Comparator Output
5
—
—
—
SHDN
Shutdown
6
5
8
4
V
DD
P osi i ve S up p y V ol ag e. Byp ass w h a 0.1μF cap aci or
—
—
1
1
OUTA
Comparator A Output
—
—
2
2
INA-
Comparator A Inverting Input
—
—
3
3
INA+
Comparator A Noninverting Input
—
—
5
5
INB+
Comparator B Noninverting Input
—
—
6
6
INB-
Comparator B Inverting Input
—
—
7
7
OUTB
Comparator B Output
—
—
—
8
OUTC
Comparator C Output
—
—
—
9
INC-
Comparator C Inverting Input
—
—
—
10
INC+
Comparator C Noninverting Input
—
—
—
12
IND+
Comparator D Noninverting Input
—
—
—
13
IND-
Comparator D Inverting Input
—
—
—
14
OUTD
Comparator D Output
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9031 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost, Ultra-Small, Single/Dual/Quad Single-Supply Comparators |
| MAX9031AUK | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX9031AUK+ | 制造商:Maxim Integrated Products 功能描述:LOW/SMALL SGLE DUAL QUAD SUPPLY COMPARAT 制造商:Maxim Integrated Products 功能描述:COMPARATOR SGL R-R O/P 2.75V/5.5V 5PIN SOT-23 - Rail/Tube |
| MAX9031AUK+G55 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9031AUK+T | 功能描述:校驗(yàn)器 IC Single Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型: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 |
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