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參數(shù)資料
| 型號： | EM4095HMSO16A |
| 元件分類： | 線性穩(wěn)壓 |
| 英文描述： | Single 12V Input Supply Dual Regulator - Synchronous Rectified Buck PWM and Linear Power Controller; Temperature Range: 0°C to 70°C; Package: 14-SOIC |
| 中文描述： | 電信提供商/數(shù)據(jù)通信 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 204K |
| 代理商： | EM4095HMSO16A |
EM4095
Copyright
2002, EM Microelectronic-Marin SA
1
www.emmicroelectronic.com
Read/Write analog front end for 125kHz RFID Basestation
Description
The EM4095 (previously named P4095) chip is a CMOS
integrated transceiver circuit intended for use in an RFID
basestation to perform the following functions:
-
antenna driving with carrier frequency
-
AM modulation of the field for writable transponder
-
AM demodulation of the antenna signal modulation
induced by the transponder
communicate with a microprocessor via simple interface.
Features
Integrated PLL system to achieve self adaptive
carrier frequency to antenna resonant frequency
No external quartz required
100 to 150 kHz carrier frequency range
Direct antenna driving using bridge drivers
Data transmission by OOK (100% Amplitude
Modulation) using bridge driver
Data transmission by Amplitude Modulation with
externally adjustable modulation index using single
ended driver
Multiple transponder protocol compatibility
(Ex: EM400X, EM4050, EM4150, EM4070, EM4170,
EM4069….)
Sleep mode 1A
USB compatible power supply range
40 to +85°C temperature range
Small outline plastic package SO16
Applications
Car immobiliser
Hand held reader
Low cost reader
Typical Operating Configuration
Read Only Mode
P
+5V
L
A
C
DV1
C
DV2
C
RES
P4095
2
3
4
5
6
7
8
1
15
14
13
12
11
10
9
16
+5V
RDY/CLK
C
DEC
C
AGND
MOD
DEMOD_OUT
SHD
C
DC2
C
FCAP
Fig. 1
Read/Write Mode
P
+5V
L
A
C
DV1
C
DV2
C
RES
C
DEC
C
AGND
P4095
2
3
4
5
6
7
8
1
15
14
13
12
11
10
9
16
+5V
MOD
DEMOD_OUT
SHD
C
DC2
C
FCAP
RDY/CLK
Fig. 2
Pin Assignment
SO16
VSS
RDY/CLK
ANT1
DVDD
DVSS
ANT2
DC2
FCAP
SHD
DEMOD_OUT
MOD
AGND
VDD
CDEC_IN
DEMOD_IN
CDEC_OUT
Fig. 3
EM MICROELECTRONIC - MARIN SA
EM4095
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| EM4100A5CX | Single 12V Input Supply Dual Regulator - Synchronous Rectified Buck PWM and Linear Power Controller; Temperature Range: -40°C to 85°C; Package: 16-QSOP |
| EM4100A5CY | Single 12V Input Supply Dual Regulator - Synchronous Rectified Buck PWM and Linear Power Controller; Temperature Range: -40°C to 85°C; Package: 14-SOIC |
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