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PDF SA7110 Data sheet ( Hoja de datos )
| Número de pieza | SA7110 | |
| Descripción | Read Only RF Transponder | |
| Fabricantes | SAMES | |
| Logotipo |  |
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sames
PRELIMINARY
SA7110
READ-ONLY RF TRANSPONDER
FEATURES
n EEPROM flexibility of data and mode s On-chip high voltage protection /
configuration
regulation
n 64 bits of OTP data factory programmed s On-chip RF frequency extractor /
s
and locked
Customer specific configuration of
s
prescaler
External tank
resonance
capacitoDr faotar Shee
stored data
RF resonance
s Sufficient distance without resonance
s Manchester or PSK mode custom set
capacitor
at factory
s Outputs data automatically after power-
s Minimum external component count
up
s On-chip rectifier for powering up from s Low power dissipation
RF signal
s Small size
s On-chip data modulator
s No external storage capacitor required
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DESCRIPTION
This device is manufactured in the SAMES 1.2µm N-well EEPROM process. It has
64bits of factory pre-programmed and locked bits in EEPROM memory. Its mode of
operation is factory pre-programmed and locked in additional EEPROM. The mode of
operation is either manchester coded or Phase Shift Keyed (PSK) coded.
The device has an on-chip rectification circuit that converts the incoming rf signal to DC
power feeding V . There is also an on-chip data modulator which works in conjunction
DD
with the rectifier. The time base is extracted by an on-chip RF clock extractor. High
voltage protection is provided internally to protect against high voltages from the coil.
The energy is stored on capacitance on chip due to low internal power consumption.
These features result in a low external component count.
Data is read at the RF interface by means of the on-chip modulator. The stored bits are
clocked out sequentially during the read operation. An internal power-on reset is provided
which allows the device to start reading out data at low voltages for improved tag range.
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PDS039-SA7110-D00a1 taSRhEeV.eAt4U.com 01-02-00
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SA7110
AC Operating Conditions
Clocking
Parameter
Symbol Min Typ Max Unit
RF carrier frequency
required at COIL1, 2
fRF
= 1/T
RF
Number of RF carrier
clock periods per data bit
et4U.cMomanchester
PSK
NM
N
P
50 125 400 KHz
- 64 -
- 16 -
Condition
Sustained RF in
read mode
DataShee
Coil Inputs
Parameter
Symbol Min Typ Max Unit
Unmodulated Low Level
Input Voltage at
COIL1, COIL2
V -0.7 -0.65 -0.6
ILU
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Unmodulated High Level
Input Volrage at
COIL1, COIL2
V
IHU
8
V
V
Modulated Low Level
Input Volrage at
COIL1, COIL2
V
ILMI
-0.7 -0.65 -0.6 V
Modulated High Level
Input Volrage at
COIL1, COIL2
V
IHMI
2.4 V
Condition
Peak level
referenced to V
SS
Peak level
referenced to VSS
I = 5mA
COIL
Peak level
referenced to VSS
Peak level
referenced to VSS
I = 5mA
COIL
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet SA7110.PDF ] | |
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