SRIX4KA3T1GE STMicroelectronics, SRIX4KA3T1GE Datasheet - Page 40

• Manufacturer Part Number: SRIX4KA3T1GE
• Manufacturer: STMicroelectronics

Specifications of SRIX4KA3T1GE

• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

DC and ac parameters
11
40/50
DC and ac parameters
Table 7.
Table 8.
Table 9.
1. All timing measurements were performed on a reference antenna with the following characteristics:
MI
t
Symbol
RFR
Symbol
t
t
Symbol
C
MIN CD
V
CARRIER
External size: 75 mm x 48 mm
Number of turns: 3
Width of conductor: 1 mm
Space between 2 conductors: 0.4 mm
Value of the coil: 1.4 µH
Tuning Frequency: 14.4 MHz.
RFSBL
V
I
I
f
t
t
t
RET
TUN
CC
CC
t
CC
DR
JIT
f
DA
CC
t
t
t
, t
W
S
0
1
2
T
A
RFF
Regulated voltage
Supply current (Active in Read)
Supply current (Active in Write)
Retromodulation induced voltage
Internal tuning capacitor
External RF signal frequency
Carrier modulation index
10% Rise and Fall times
Minimum pulse width for start bit
ASK modulation data jitter
Minimum time from carrier
generation to first data
Subcarrier frequency
Antenna reversal delay
Synchronization delay
Answer to new request delay
Time between request characters
Time between answer characters
Programming time for WRITE
Operating conditions
DC characteristics
AC characteristics
Ambient operating temperature
Parameter
Parameter
Parameter
With Auto-Erase Cycle
ISO 10373-6
With no Auto-Erase
V
V
Coupler to SRIX4K
Coupler to SRIX4K
SRIX4K to Coupler
13.56 MHz
Condition
CC
CC
MI=(A-B)/(A+B)
Binary Counter
ETU = 128/f
Cycle (OTP)
(EEPROM)
Decrement
Condition
= 3.0 V
= 3.0 V
14 ETU
f
128/f
128/f
CC
/16
S
S
Min.
–20
CC
Min
2.5
20
13.553 13.567
Min
132
0.8
–2
Max.
Typ
8
5
0
64
85
847.5
9.44
151
151
0
Max
Max
100
250
2.5
3.5
14
+2
57
3
5
7
SRIX4K
Unit
°C
MHz
Unit
Unit
kHz
mV
ms
ms
ms
ms
µA
µA
pF
µs
µs
µs
µs
µs
µs
µs
µs
%
V