MC33690DWE Freescale Semiconductor, MC33690DWE Datasheet - Page 16

• Manufacturer Part Number: MC33690DWE
• Description: IC STAND ALONE TAG READER 20SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MC33690DWE

• Rf Type: Read / Write
• Frequency: 125kHz
• Features: Wide Supply Voltage Range
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Tag Reader
15
Typical values reflect average measurements at 6V ≤ V
16
2.0
2.2
2.3
2.31 Demodulator Sensitivity
2.4
2.5
2.6
3.5
3.0
3.1
3.2
Input Voltage Range
Input Modulation Frequency
Demodulator Sensitivity
Demodulation Delay
After Write Pulse Settling Time
Recovery Time after wake-up or
reset from clock stable to
demodulator valid output
Output Carrier Frequency to Crystal
Frequency Ratio
Turn on/off Delay
Driver1/2 Low Side Out. Resistance
Driver1/2 High Side Out. Resistance
Tag Reader
Parameter
MC33690 Standalone Tag Reader Circuit, Rev. 5
Table 9. Tag Reader Specifications
R
V
V
Symbol
t
t
t
Settling1
Settling2
V
F
SENSE1
SENSE2
FTD/FXT
R
Demod
t
R
on/off
INRD
MOD
AL
TDH
TDL
Drivers (pins TD1, TD2)
Demodulator (pin RD)
the slew rate of the K output for
C
V
SUP
The sensitivity is measured in
Not including the delay due to
Clock stable condition implies
Sensitivity is measured in the
V
conditions: I
and square wave modulation
modulation F
EXT
XTAL1
RD
I
the following application
configurations A and B
ANTENNA
peak, V
≤ 16V, V
following application
= 4V peak, C
I
= 10nF, and square wave
I
6.5V ≤ V
LOAD
6V ≤ V
LOAD
Test Conditions
and Comments
F
Configuration C
meets the specification
(see page 15).
See
See
See figure 12
MOD =
conditions:
= -150mA DC
= 150mA DC
RD
ANTENNA
Figure 12
Figure 12
SUP
= 50mA peak,
SS
—
—
MOD
—
—
—
SUP
F
= 4V peak,
TD1
= 0V, T
< 6.5V
EXT
≤ 16V
= F
/32
= 50mA
TD1
= 10nF,
J
= –40°C to +125°C, unless otherwise noted
/32.
Min
0.5
—
—
—
—
—
—
—
—
—
3
Typ
394
646
7.5
2.4
2.1
64
—
4
4
5
7
Freescale Semiconductor
Max
400
700
250
15
30
10
—
4
5
8
4
Unit Type
kHz
mV
mV
μs
μs
μs
ns
—
V
Ω
Ω
—
—
—
—
—
—
—
—
—
—
—