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參數(shù)資料
| 型號： | KSZ8041NLJ TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 25/43頁 |
| 文件大?。?/td> | 0K |
| 描述： | TXRX PHY 10/100 3.3V 32MLF |
| 標準包裝： | 1 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | MII，RMII |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤，32-MLF? |
| 供應(yīng)商設(shè)備封裝： | 32-MLF?（5x5） |
| 包裝： | 標準包裝 |
| 其它名稱： | 576-3625-6 |
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2012 Microchip Technology Inc.
DS25118C-page 31
MCP47DA1
4.0
GENERAL OVERVIEW
The MCP47DA1 device is a general purpose DAC
intended to be used in applications where a program-
mable voltage output with moderate bandwidth is
desired.
Applications generally suited for the MCP47DA1
devices include:
Computer servers
Set point or offset trimming
Sensor calibration
Cost-sensitive mechanical trim pot replacement
The MCP47DA1 has four main functional blocks.
These are:
POR/BOR Operation
Serial Interface - I2C Module
Resistor Network
Output Buffer
The POR/BOR operation is discussed in this section
and the I2C and Resistor Network operation are
described in their own sections. The commands are
discussed in Section 5.3, Serial Commands.
Figure 4-1 shows a block diagram for the resistive
network of the device. An external pin, called VREF, is
the DAC’s reference voltage. The resistance from the
VREF pin to ground is typically 30 k. The reference
voltage connected to the VREF pin needs to support this
resistive load.
This resistor network functions as a windowed voltage
divider. This means that the VOUT pin’s voltage range is
from approximately 1/3 * VREF to approximately 2/3 *
VREF. This windowed range is determined by the 10 k
resistors (R1 and R2) that window the 10 k digital
potentiometer (see Figure 4-1).
FIGURE 4-1:
Resistor Network and
Output Buffer Block Diagram.
RFS
A
RS
B
RW
(1)
W
Analog Switch MUX
Note 1: The wiper resistance is tap dependent.
That is, each tap selection resistance
has a small variation.
RW
(1)
RW
(1)
RW
(1)
RZS
2: The RFS and RZS resistances are
determined by the analog switches that
connect the resistor network to the other
circuitry.
VREF
R1
R2
R
AB
Goes to Output
Buffer’s input
Op Amp
-
+
VOUT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KSZ8041NLTR | 制造商:Micrel 功能描述:PHY TxFx 3.3V 10/100, KSZ8041NL |
| KSZ8041NL-TR | 功能描述:1/1 Transceiver Full MII, RMII 32-MLF? (5x5) 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 類型:收發(fā)器 協(xié)議:MII，RMII 驅(qū)動器/接收器數(shù):1/1 雙工:全 接收器滯后:- 數(shù)據(jù)速率:- 電壓 - 電源:3.135 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:32-VFQFN 裸露焊盤，32-MLF? 供應(yīng)商器件封裝:32-MLF?（5x5） 標準包裝:1 |
| KSZ8041RNL | 功能描述:TXRX 10/100 3.3V PHY RMII 32-MLF RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:1,140 系列:AU 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:CAN 電源電壓:5.3 V ~ 27 V 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SO 包裝:管件 其它名稱:935267940512AU5790D14AU5790D14-ND |
| KSZ8041RNL TR | 功能描述:以太網(wǎng) IC 3.3V, 10Base-T/100Base-TX Physical Layer Transceiver with RMII Support - Lead Free RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ8041RNL-EVAL | 功能描述:以太網(wǎng)開發(fā)工具 3.3V, 10Base-T/100Base-TX Physical Layer Transceiver with RMII Support - Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓: |
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