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| 型号： | MAX9107ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/13页 |
| 文件大小： | 0K |
| 描述： | IC COMPAR LP DUAL 8-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： | 2 |
| 输出类型： | TTL |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 5.5 V |
| 电压 - 输入偏移（最小值）： | 1.6mV @ 5V |
| 电流 - 输入偏压（最小值）： | 0.125µA @ 5V |
| 电流 - 静态（最大值）： | 700µA |
| CMRR, PSRR（标准）： | 86.02dB CMRR，86.02dB PSRR |
| 传输延迟（最大）： | 25ns |
| 磁滞： | 2mV |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
MAX9107/MAX9108/MAX9109
25ns, Dual/Quad/Single, Low-Power,
TTL Comparators
_______________________________________________________________________________________
7
VTRIP+
VHYST
VTRIP-
VIN+
COMPARATOR
OUTPUT
VOH
VOL
VTRIP+ + VTRIP-
2
VOS =
VIN- = 0
Figure 1. Input and Output Waveforms, Noninverting Input
Varied
Applications Information
Circuit Layout
Because of the MAX9107/MAX9108/MAX9109’s high
gain bandwidth, special precautions must be taken to
realize 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 VCC 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 MAX9107/MAX9108/MAX9109 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 over-
driven, 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 (see Figure 3).
Battery-Operated Infrared Data Link
In Figure 4, the circuit allows reception of infrared data.
The MAX4400 converts the photodiode current to a
voltage, and the MAX9109 determines whether the
amplifier output is high enough to be called a “1.” The
current consumption of this circuit is minimal: the
MAX4400 and MAX9109 require typically 410A and
350A, respectively.
tPD+
VIN
VOD
th
ts
3V
1.4V
0
VOS
VOH
1.4V
VOL
COMPARE
LATCH
LE
DIFFERENTIAL
INPUT
VOLTAGE
OUTPUT
Figure 2. MAX9109 Timing Diagram
10pF
1M
+5V
4
5
+5V
0.1
F
DATA
4
3
100k
SIEMENS BP-104
PHOTODIODE
100k
+5V
1000pF
47k
3
1
0.1
F
2
6
1
MAX9109
MAX4400
2
5
Figure 4. Battery-Operated Infrared Data Link Consumes Only
760A
VCLAMP = -200mV TO -300mV
ISRC
V-
1/2 MAX9107
Figure 3. Schottky Clamp for Input Driven Below Ground
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9108 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:25ns, Dual/Quad/Single, Low-Power, TTL Comparators |
| MAX9108ESD | 功能描述:校验器 IC Quad TTL Comparator 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 |
| MAX9108ESD+ | 功能描述:校验器 IC Quad TTL Comparator 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 |
| MAX9108ESD+T | 功能描述:校验器 IC Quad TTL Comparator 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 |
| MAX9108ESD-T | 功能描述:校验器 IC Quad TTL Comparator 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 |
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