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參數資料
| 型號： | MAX9034AUD+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 6/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR QUAD 14-TSSOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 通用 |
| 元件數： | 4 |
| 輸出類型： | CMOS，滿擺幅，TTL |
| 電壓 - 電源，單路/雙路(±)： | 2.5 V ~ 5.5 V，±1.25 V ~ 2.75 V |
| 電壓 - 輸入偏移（最小值）： | 1mV @ 5V |
| 電流 - 輸入偏壓（最小值）： | 0.008µA @ 5V |
| 電流 - 靜態(tài)（最大值）： | 55µA |
| CMRR, PSRR（標準）： | 100dB CMRR，100dB PSRR |
| 傳輸延遲（最大）： | 228ns |
| 磁滯： | 4mV |
| 工作溫度： | -40°C ~ 125°C |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 帶卷 (TR) |
MAX9030/MAX9031/MAX9032/MAX9034
Low-Cost, Ultra-Small, Single/Dual/Quad
Single-Supply Comparators
6
Maxim Integrated
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 35A. 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 35A to 0.05A, and the outputs
become high impedance. SHDN has a high input imped-
ance and typically draws 0.1A when connected to VSS
or VDD. A maximum logic low voltage of 0.3V VDD
applied to SHDN places the device in the shutdown
mode. A minimum logic high voltage of 0.7V VDD
applied to SHDN will enable normal operation. To dis-
able shutdown, connect SHDN to VDD.
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:
Pin Description
PIN
MAX9030
MAX9031
MAX9032
MAX9034
NAME
FUNCTION
1
—
IN+
Comparator Noninverting Input
224
11
VSS
Negative Supply Voltage. Bypass with a 0.1F capacitor.
3
—
IN-
Comparator Inverting Input
4
—
OUT
Comparator Output
5—
—
SHDN
Shutdown
658
4
VDD
Positive Supply Voltage. Bypass with a 0.1F capacitor.
—
1
OUTA
Comparator A Output
—
2
INA-
Comparator A Inverting Input
—
3
INA+
Comparator A Noninverting Input
—
5
INB+
Comparator B Noninverting Input
—
6
INB-
Comparator B Inverting Input
—
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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| MAX9039BEBT+T | 功能描述:校驗器 IC uPower Comparator + Prec Reference IC RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX9039BEBT-T | 功能描述:校驗器 IC uPower Comparator + Prec Reference IC RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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