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參數(shù)資料
| 型號： | EM4150A6CI2SC |
| 英文描述： | Multi-Purpose Precision Multiphase PWM Controller With Optional Active Voltage Positioning; Temperature Range: 0°C to 70°C; Package: 16-SOIC T&R |
| 中文描述： | 模擬雜項 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 197K |
| 代理商： | EM4150A6CI2SC |
EM4150
EM4350
Copyright
2002, EM Microelectronic-Marin SA
1
www.emmicroelectronic.com
1 KBit READ / WRITE
CONTACTLESS IDENTIFICATION DEVICE
Description
The EM4150/EM4350 (previously named P4150/P4350)
is a CMOS integrated circuit intended for use in electronic
Read/Write RF Transponders. The chip contains 1 KBit of
EEPROM which can be configured by the user, allowing a
write inhibited area, a read protected area, and a read
area output continuously at power on. The memory can
be secured by using the 32 bit password for all write and
read protected operations. The password can be updated,
but never read. The fixed code serial number and device
identification are laser programmed making every chip
unique.
The EM4150 will transmit data to the transceiver by
modulating the amplitude of the electromagnetic field, and
receive data and commands in a similar way. Simple
commands will enable write to EEPROM, to update the
password, to read a specific memory area, and to reset
the logic.
The coil of the tuned circuit is the only external component
required, all remaining functions are integrated in the chip.
The only difference between EM4150 and EM4350 is that
EM4150 comes with standard sized pads, whereas
EM4350 comes with oversized (mega) pads, ideal for use
with bumps on die (Fig. 27).
Features
1 KBit of EEPROM organized in 32 words of 32 bits
32 bit Device Serial Number (Read Only Laser ROM)
32 bit Device Identification (Read Only Laser ROM)
Power-On Reset sequence
Power Check for EEPROM write operation
User defined Read Memory Area at Power On
User defined Write Inhibited Memory Area
User defined Read Protected Memory Area
Data Transmission performed by Amplitude
Modulation
Two Data Rate Options 2 KBd (Opt64) or 4 KBd
(Opt32)
Bit Period = 64 or 32 periods of field frequency
170 pF ± 2% on chip Resonant Capacitor
-40 to +85°C Temperature range
100 to 150 kHz Field Frequency range
On chip Rectifier and Voltage Limiter
No external supply buffer capacitance needed due to
low power consumption
Applications
Ticketing
Automotive Immobilizer with rolling code
High Security Hands Free Access Control
Industrial automation with portable database
Manufacturing automation
Prepayment Devices
Typical Operating Configuration
EM4150
Coil 2
Coil 1
L
Typical value of inductance at 125 KHz is 9.5 mH
Fig. 1
Pin Assignment
COIL 1
Coil terminal / Clock input
COIL 2
Coil terminal
EM4150
COIL2
COIL1
COIL2
COIL1
Fig. 2
EM MICROELECTRONIC - MARIN SA
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| EM4150A6SO8A | Multi-Purpose Precision Multiphase PWM Controller With Optional Active Voltage Positioning; Temperature Range: 0°C to 70°C; Package: 20-QFN T&R |
| EM4150A6WP11E | Multi-Purpose Precision Multiphase PWM Controller With Optional Active Voltage Positioning; Temperature Range: 0°C to 70°C; Package: 20-QFN |
| EM4150A6WS11E | Multi-Purpose Precision Multiphase PWM Controller With Optional Active Voltage Positioning; Temperature Range: 0°C to 70°C; Package: 20-QFN T&R |
| EM4150A6WT11E | Multi-Purpose Precision Multiphase PWM Controller With Optional Active Voltage Positioning; Temperature Range: -40°C to 85°C; Package: 16-SOIC |
| EM4170A5CB2RC | Multi-Purpose Precision Multiphase PWM Controller With Optional Active Voltage Positioning; Temperature Range: -40°C to 85°C; Package: 16-SOIC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM4150A6SO8A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Miscellaneous |
| EM4150A6WP11 | 制造商:EMMICRO 制造商全稱:EM Microelectronic - MARIN SA 功能描述:1 KBit READ / WRITE CONTACTLESS IDENTIFICATION DEVICE |
| EM4150A6WP11E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Miscellaneous |
| EM4150A6WP21 | 制造商:EMMICRO 制造商全稱:EM Microelectronic - MARIN SA 功能描述:1 KBit READ / WRITE CONTACTLESS IDENTIFICATION DEVICE |
| EM4150A6WP21E | 制造商:EMMICRO 制造商全稱:EM Microelectronic - MARIN SA 功能描述:1 KBit READ / WRITE CONTACTLESS IDENTIFICATION DEVICE |
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