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| 型号： | MAX9203ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/8页 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR LP 8-SOIC |
| 其它有关文件： | Automotive Product Guide |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 带锁销 |
| 元件数： | 1 |
| 输出类型： | TTL |
| 电压 - 电源，单路/双路(±)： | 4.75 V ~ 10.5 V，±2.375 V ~ 5.75 V |
| 电压 - 输入偏移（最小值）： | 4mV @ ±5V |
| 电流 - 输入偏压（最小值）： | 5µA @ ±5V |
| 电流 - 静态（最大值）： | 2mA，1.6mA，800µA |
| CMRR, PSRR（标准）： | 86.02dB CMRR，86.02dB PSRR |
| 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) |
Applications Information
Circuit Layout
Because of the large gain-bandwidth transfer function
of the MAX9201/MAX9202/MAX9203 special precau-
tions must be taken to realize their full high-speed
capability. A printed circuit board with a good, low-
inductance ground plane is mandatory. All decoupling
capacitors (the small 100nF ceramic type is a good
choice) should be mounted as close as possible to the
power-supply pins. Separate decoupling capacitors for
analog VCC and for digital VDD are also recommended.
Close attention should be paid to the bandwidth of the
decoupling and terminating components. Short lead
lengths on the inputs and outputs are essential to avoid
unwanted parasitic feedback around the comparators.
Solder the device directly to the printed circuit board
instead of using a socket.
Input Slew-Rate Requirements
As with all high-speed comparators, the high gain-band-
width product of the MAX9201/MAX9202/ MAX9203 can
create oscillation problems when the input traverses the
linear region. For clean output switching without oscilla-
tion or steps in the output waveform, the input must meet
minimum slew-rate requirements (0.5V/s typ). Oscillation
is largely a function of board layout and of coupled
source impedance and stray input capacitance. Both
poor layout and large source impedance will cause the
part to oscillate and increase the minimum slew-rate
requirement. In some applications, it may be helpful to
apply some positive feedback between the output and
positive input. This pushes the output through the transi-
tion region clearly, but applies a hysteresis in threshold
seen at the input terminals.
TTL Output and Latch Inputs
The comparator TTL output stages are optimized for
driving low-power Schottky TTL with a fan-out of four.
When the latch is connected to a logic high level, the
comparator is transparent and immediately responds to
changes at the input terminals. When the latch is con-
nected to a TTL low level, the comparator output latch-
es (in the same state) the instant that the latch
command is applied, and will not respond to subse-
quent changes at the input. No latch is provided on
the MAX9201.
6
_______________________________________________________________________________________
MAX9201/9202/9203
Low Cost, 7ns, Low-Power
Voltage Comparators
PIN
SO
SOT
NAME
FUNCTION
18
VCC
Positive Analog Supply
2
7
IN+
Positive Input
3
6
IN-
Negative Input
45VEE
Negative Analog Supply and
Substrate
54
LATCH
Latch Input
6
3
GND
Ground
7
2
OUT
Output
81
VDD
Positive Digital Supply
Pin Description (continued)
VEE
GND
VDD
VCC
OUT
+10V
+5V
VEE
GND
VDD
VCC
OUT
+5V
VEE
GND
VDD
VCC
OUT
+5V
-5V
Typical Power-Supply Alternatives
Figure 1a. Separate Analog Supply,
Common Ground
Figure 1b. Single +5V Supply, Common
Ground
Figure 1c. Split ±5V Supply, Separate
Ground
MAX9203
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| MAX9205 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:10-Bit Bus LVDS Serializers |
| MAX9205_10 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:10-Bit Bus LVDS Serializers |
| MAX9205EAI | 功能描述:LVDS 接口集成电路 RoHS:否 制造商:Texas Instruments 激励器数量:4 接收机数量:4 数据速率:155.5 Mbps 工作电源电压:5 V 最大功率耗散:1025 mW 最大工作温度:+ 85 C 封装 / 箱体:SOIC-16 Narrow 封装:Reel |
| MAX9205EAI/V+ | 功能描述:串行器/解串器 - Serdes 10-Bit Bus LVDS Serializer RoHS:否 制造商:Texas Instruments 类型:Deserializer 数据速率:1.485 Gbit/s 输入类型:ECL/LVDS 输出类型:LVCMOS 输入端数量:1 输出端数量:20 工作电源电压:2.375 V to 2.625 V 工作温度范围:0 C to + 70 C 封装 / 箱体:TQFP-64 |
| MAX9205EAI/V+T | 功能描述:串行器/解串器 - Serdes 10-Bit Bus LVDS Serializer RoHS:否 制造商:Texas Instruments 类型:Deserializer 数据速率:1.485 Gbit/s 输入类型:ECL/LVDS 输出类型:LVCMOS 输入端数量:1 输出端数量:20 工作电源电压:2.375 V to 2.625 V 工作温度范围:0 C to + 70 C 封装 / 箱体:TQFP-64 |
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