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E5530H-232-DIT Schematic ( PDF Datasheet ) - ATMEL Corporation

Teilenummer E5530H-232-DIT
Beschreibung 128-bit Read-only IDIC for RF Identification
Hersteller ATMEL Corporation
Logo ATMEL Corporation Logo 




Gesamt 8 Seiten
E5530H-232-DIT Datasheet, Funktion
Features
Low-power, Low-voltage CMOS
Rectifier, Voltage Limiter, Clock Extraction On-chip (No Battery)
Small Size
Factory Laser Programmable ROM
Operating Temperature Range -40°C to +125°C
Radio Frequency (RF): 100 kHz to 450 kHz
Transmission options
– Code Length: 128, 96, 64, 32 bits
– Bitrate [bit/s]: RF/8, RF/16, RF/32, RF/40, RF/50, RF/64, RF/80, RF/100, RF/128
– Modulation: FSK, PSK, BIPH, Manchester, BIPH-FSK
FDX-B Compatible Coding Possible (ISO 11784/ ISO 11785)
Figure 1. Application
RF transmitter
and
interrogator
IDIC
RF e5530
ID
128-bit
Read-only
IDICfor RF
Identification
e5530
Description
The e5530 is part of a closed coupled identification system. It receives power from an
RF transmitter which is coupled inductively to the IDIC. The frequency is typically
100 kHz to 450 kHz. Receiving RF, the IDICresponds with a data stream by
damping the incoming RF via an internal load. This damping-in-turn can be detected
by the interrogator. The identifying data are stored in a 128-bit PROM on the e5530,
realized as an array of laser-programmable fuses. The logic block diagram for the
e5530 is shown in figure 2. The data are output bit-serially as a code of length
128, 96, 64 or 32 bits. The chips are factory-programmed with a unique code.
Figure 2. Block Diagram
Analog front end
Load
Mod
Coil
Modulator
FSK
PSK
BIPH
Manchester
Clock
extractor
Clk
Data
R7
R6
R5
R4
R3
R2
R1
R0
128-bit PROM
Coil
Rectifier
VDD VSS
Bitrate
Column decoder
Counter
Rev. 4508BRFID02/02
1






E5530H-232-DIT Datasheet, Funktion
Electrical Characteristics
Tamb = 25°C, reference terminal is VDD, operating voltage VDD - VSS = 3 V DC, unless otherwise specified
No. Parameters
Test Conditions
Symbol Min. Typ. Max.
1
2
3
4
5
Note:
Operating voltage
Condition for logic test
Operating temperature
Input frequency (RF)
Operating current
Clamp voltage
fCLK = 125 kHz, VSS = -2 V
I = 4 mA
1. Typical parameters represent the statistical mean values
VSS
Tamb
fCLK
ICC
VCL
-1.5 -5.0
-40 125
100 450
3 (1)
6.7 10
Unit
V
°C
kHz
mA
V
Figure 8. Measurement Setup for IDD
I DD
VDD
Coil 1
~ = 2V
Coil 2
VSS
Vpp Coil @1.5 V
Figure 9. Simplified Damping Circuit
100
Coil 1
~2V
Coil 2
100
~2V
Mod
Application Example
Figure 10. Typical Application Circuit
From
oscillator
IAC
125 kHz
740 µH
Energy
To read
amplifier
Data
2.2 nF
4.05 mH 390 pF
Input capacitance
5 pF static, 4 pF
dynamic
Coil1 (Pin 8)
e5530
(SO8)
Coil2 (Pin 1)
6 e5530
4508BRFID02/02

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