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| 型号： | MAX908ESD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/11页 |
| 文件大小： | 0K |
| 描述： | IC COMPAR HS TRPL 14-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 通用 |
| 元件数： | 4 |
| 输出类型： | TTL |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 11 V |
| 电压 - 输入偏移（最小值）： | 2mV @ 5V |
| 电流 - 输入偏压（最小值）： | 0.3µA @ 5V |
| 电流 - 静态（最大值）： | 1mA |
| CMRR, PSRR（标准）： | 86.02dB CMRR，86.02dB PSRR |
| 传输延迟（最大）： | 50ns |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
Applications Information
Circuit Layout
Because of the MAX907/MAX908/MAX909’s high gain
bandwidth, special precautions must be taken to real-
ize the full high-speed capability. A printed circuit
board with a good, low-inductance ground plane is
mandatory. Place the decoupling capacitor (a 0.1F
ceramic capacitor is a good choice) as close to V+ as
possible. Pay close attention to the decoupling capaci-
tor’s bandwidth, keeping leads short. Short lead
lengths on the inputs and outputs are also essential to
avoid unwanted parasitic feedback around the com-
parators. Solder the device directly to the printed circuit
board instead of using a socket.
Overdriving the Inputs
The inputs to the MAX907/MAX908/MAX909 may be
driven beyond the voltage limits given in the Absolute
Maximum Ratings, as long as the current flowing into
the device is limited to 25mA. However, if the inputs are
overdriven, the output may be inverted. The addition of
an external diode prevents this inversion by limiting the
input voltage to 200mV to 300mV below ground
(Figure 3).
Battery-Operated Infrared Data Link
Figure 4's circuit allows reception of infrared data. The
MAX403 converts the photodiode current to a voltage,
and the MAX907 determines whether the amplifier output
is high enough to be called a “1”. The current consump-
tion of this circuit is minimal: The MAX403 and MAX907
require typically 250A and 700A, respectively.
MAX907/MAX908/MAX909
Dual/Quad/Single, High-Speed, Ultra-Low-Power,
Single-Supply TTL Comparators
_______________________________________________________________________________________
9
VTRIP+
VHYST
VTRIP-
VIN+
COMPARATOR
OUTPUT
VOH
VOL
VTRIP+ + VTRIP-
2
VOS =
VIN- = 0V
Figure 1. Input and Output Waveforms, Noninverting Input
Varied
tPD+
tSKEW
VIN
VOD
th
ts
3V
1.4V
0V
VOS
VOH
1.4V
VOL
VOH
1.4V
VOL
COMPARE
LATCH
LE
DIFFERENTIAL
INPUT
VOLTAGE
OUTPUT
(QOUT)
OUTPUT
(
QOUT)
Figure 2. MAX909 Timing Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX908MJD | 功能描述:校验器 IC RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX909 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Single/Dual/Quad High-Speed, Ultra Low-Power, Single-Supply TTL Comparators |
| MAX9092 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:General-Purpose, Low-Voltage, Dual/Quad, Tiny Pack Comparators |
| MAX9092_13 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:proven design to evaluate the MAX9092 dual comparator |
| MAX9092AKA+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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