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参数资料
| 型号： | TLE4925 |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PSSS3 |
| 封装： | PLASTIC, SSO-3 |
| 文件页数： | 22/28页 |
| 文件大小： | 1066K |
| 代理商： | TLE4925 |
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Data Sheet
Page 3 of 28
10/02/2005
Figure 2: Block Diagram of TLE4925/TLE4925C
Circuit Description
The TLE4925/TLE4925C is comprised of a supply voltage regulator, a pair of hall
probes, spaced at 2.5mm, differential amplifier, noise-shaping filter, comparator,
advanced digital signal processor (DSP), A/D and D/A converter and an open
drain output.
Startup mode:
The differential signal is digitized in the A/D converter and fed into the dsp part of
the circuit. There a rising or falling transition is detected and the output stage is
triggered accordingly. As the signal is not offset compensated at this time, the
output does not necessarily switch at zero-crossing of the magnetic signal. Signal
peaks are also detected in the digital circuit and their arithmetic mean value can
be calculated. The offset of this mean value is determined and fed into the offset
cancellation DAC. This procedure can be repeated with increasing accuracy.
After few increments the IC is switched into the high accuracy running mode.
hyst
comp
digital
Hall probes
+
-
Q
n-channel
open drain
actual switching
level
min
max
algorithm
overtemperature
& short-circuit
protection
power supply regulator
analog
supply
digital
supply
bias for temperature
& technology compensation
main
comp
VS
GND
clamping
clamping & reverse voltage
protection
interface
Offset
DAC
enable
+
-
+
-
Tracking ADC
amplifier
oscillator
filter
reset
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLE4925 CHIP | 功能描述:板机接口霍耳效应/磁性传感器 MAGNETIC SENSOR IC’S RoHS:否 制造商:Honeywell 类型:Bipolar Hall-Effect Digital Position Sensor 工作电源电压:3 V to 24 V 电源电流:3.5 mA 最大输出电流:20 mA 工作点最小值/最大值:5 G, 55 G 最小/最大释放点（Brp）:- 55 G, - 5 G 最大工作温度:+ 150 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23 |
| TLE4925C | 功能描述:板机接口霍耳效应/磁性传感器 Dynamic Differential Hall Effect Sensor RoHS:否 制造商:Honeywell 类型:Bipolar Hall-Effect Digital Position Sensor 工作电源电压:3 V to 24 V 电源电流:3.5 mA 最大输出电流:20 mA 工作点最小值/最大值:5 G, 55 G 最小/最大释放点（Brp）:- 55 G, - 5 G 最大工作温度:+ 150 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23 |
| TLE4925CHIPX6SA1 | 制造商:Infineon Technologies AG 功能描述:MAGNE 制造商:Infineon Technologies AG 功能描述:MAGNETIC SENSOR IC'S - Gel-pak, waffle pack, wafer, diced wafer on film |
| TLE4925CHIPZV | 制造商:Infineon Technologies AG 功能描述:HALLEFFECT IC'S - Gel-pak, waffle pack, wafer, diced wafer on film |
| TLE4925CHTE6747XA | 制造商:Infineon Technologies AG 功能描述:Hall Effect Sensor 50mA 5V/9V/12V/15V/18V/24V 3-Pin SSO T/R |
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