參數(shù)資料
型號(hào)： TPIC8101DW
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO20
封裝： PLASTIC, SOIC-20
文件頁(yè)數(shù)： 23/23頁(yè)
文件大?。?/td> 511K
代理商： TPIC8101DW
TPIC8101
KNOCK SENSOR INTERFACE
SLIS110A APRIL 2003 REVISED MAY 2005
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description of the functional terminals (continued)
oscillator input (XIN)
The XIN terminal is the input to the inverter used for the oscillator circuit. An external clock signal from the MCU,
crystal, or ceramic resonator is configured with resistors and capacitors. To bias the inverter, a resistor (1 M
typ) is placed across XIN and XOUT.
This clock signal is prescaled to set the internal sampling frequency of the A/D converter.
oscillator output (XOUT)
The XOUT terminal is the output of the inverter used for the oscillator circuit.
data output (SDO)
The SDO output is the SPI data bus reporting information back to the microprocessor. This is a 3-state output
with the output set to high-impedance mode when CS is pulled to VDD. The high-impedance state can also be
programmed by setting a bit in the prescale word which takes precedence over the CS setting. The output is
disabled when the CS terminal is pulled high (VDD).
data input (SDI)
The SDI terminal is the communication interface for data transfer between the master and slave components.
The SDI has an internal pullup to VDD; the data stream is in 8-bit word format.
serial clock (SCLK)
The SCLK output signal is used for synchronous communication of data. Typically, the output from the master
clock is low with the IC having an internal pullup resistor to VDD. The data is clocked to the internal shift register
on the falling clock edge.
test (TEST)
The TEST terminal, when pulled low, allows the IC to enter the test mode. During normal operation, this terminal
is left open or tied high (VDD). There is an internal pullup to VDD (default).
feedback output for amplifiers (CH1FB and CH2FB)
The CHXFB are amplifier outputs for the sensor signals. The gain of the respective amplifiers is set using the
CHXFB and CHX input terminals (see Figure 1).
input amplifiers (CH1P, CH1N, CH2P, and CH2N)
CH1P, CH1N, CH2P, and CH2N are the inputs for the two amplifiers which interface to the external knock
sensors.
The gain is set by external resistors R1 and R2. The inputs and outputs of the amplifier are rail-to-rail compatible
to the supply VDD.
An internal multiplexer selects the desired sensor signal to process programmable through the SPI.
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TPIC8101DW 制造商:Texas Instruments 功能描述:IC KNOCK SENSOR INTERFACE SOIC-20 制造商:Texas Instruments 功能描述:IC, KNOCK SENSOR INTERFACE, SOIC-20 制造商:Texas Instruments 功能描述:IC, KNOCK SENSOR INTERFACE, SOIC-20; Sensor Case Style:SOIC; No. of Pins:20; Supply Voltage Min:-0.3V; Supply Voltage Max:5.5V; Operating Temperature Min:-40C; Operating Temperature Max:125C; SVHC:No SVHC (19-Dec-2012); Base
TPIC8101DWG4 功能描述:接口 - 專用 KNOCK SENSOR INTERFACE RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
TPIC8101DWR 功能描述:接口 - 專用 Knock Sensor Interface RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
TPIC8101DWRG4 功能描述:接口 - 專用 KNOCK SENSOR INTERFACE RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
TPIC8101EVM 功能描述:EVALUATION MODULE 制造商:texas instruments 系列:* 零件狀態(tài):在售 標(biāo)準(zhǔn)包裝:1
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