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參數(shù)資料
| 型號： | DS1821T |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), RECTANGULAR, THROUGH HOLE MOUNT |
| 封裝： | TO-220, 3 PIN |
| 文件頁數(shù)： | 11/11頁 |
| 文件大?。?/td> | 1552K |
| 代理商： | DS1821T |
_______________________________________________________________________________________ 9
MAX3815A
TMDS Digital Video Equalizer for
HDMI/DVI Cables
The loss-of-clock circuitry powers down the part when-
ever there is an absence of a clock signal. This mutes
the output and reduces power consumption to 83mW
whenever the input signal is removed. During power-
down, the MAX3815A’s TMDS output pins go to a high-
impedance state.
The CLKLOS is an open-collector output that requires a
resistive pullup to VCC for operation. The pullup resistor
range is 1kω to 10kω (see Figure 3).
Output Level Control (OUTLEVEL) Input
The OUTLEVEL pin is a three-state input that allows the
user to select between three output settings. Forcing this
pin high results in the standard output signal level with
no back terminations; leaving the pin open results in a
standard output swing with 267ω differential back termi-
nation resistors. Forcing this pin low results in one-half
standard output signal level.
Using Back Termination
Using back termination resistance improves signal integ-
rity through absorption of reflections. It also shifts the sin-
gle-ended output voltage high (VH) and low (VL). Table 1
shows the output voltages when using the MAX3815A in
each of its three output configurations.
Equalizer Control (EQCONTROL) Input
The EQCONTROL pin allows the user to control the
equalization in one of two ways: forcing the pin to ground
sets the equalizer in automatic equalization mode,
and forcing a voltage between VCC - 1V to VCC allows
manual control of the equalization level. Set to VCC for
maximum boost (long cable). Set to VCC - 1V for mini-
mum boost (short cable).
Interface Models
Figure 5. Simplified Input Circuit Schematic
Figure 6. Simplified Output Circuit Schematic
Table 1. Output Settings and Swings
VCC
RX_IN+/-
50
MAX3815A
RX_OUT-
PWRDWN 0
1
RX_OUT+
10mA OUTLEVEL = HIGH
12.5mA OUTLEVEL = OPEN
5mA OUTLEVEL = LOW
TRANSIENT
SUPRESSOR
CLAMP
OUTLEVEL
BACK TERMINATION
DIFFERENTIAL
SWING (mVP-P)
SINGLE-ENDED HIGH
(VH)
SINGLE-ENDED LOW
(VL)
High
Open
1000
VCC
VCC - 500mV
Open
267I
910
VCC - 85mV
VCC - 540mV
Low
Open
500
VCC
VCC - 250mV
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1822 | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| DS1822/T&R | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| DS1822+ | 功能描述:板上安裝溫度傳感器 1-Wire Digital Thermometer RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| DS1822+PAR | 功能描述:板上安裝溫度傳感器 1-Wire Digital Thermometer RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| DS1822+T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Econo 1-Wire Digital Thermometer |
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