P4095 EM Microelectronic, P4095 Datasheet - Page 3

• Manufacturer Part Number: P4095
• Description: P4095 Read/write Analog Front End For 125khz Rfid Basestation
• Manufacturer: EM Microelectronic

Electrical and Switching Characteristics:
Parameters specified below are valid only in case the device is used according to Operating Conditions defined on previous
page.
VSS=DVSS=0V, VDD=DVDD = 5V, Tj = -40 to 110°C, unless otherwise specified
Parameter
Supply current in sleep mode
Supply current excluding drivers
current
AGND level
Logic signals SHD, MOD,
DEMOD_OUT
Input logic high
Input logic low
Output logic high
Output logic low
MOD pull down resistor
SHD pull up resistor
PLL
Antenna capture frequency range
Antenna locking frequency range
Drivers
ANT drivers output resistance
RDY/CLK driver output resistance
AM demodulation
DEMOD_IN common mode range
DEMOD_IN input sensitivity
Note 1:
device malfunction.
Note 2:
AGND is a P4095 internal reference point. Any external connection except specified capacitor to V
Modulating signal 2Khz square wave on 125 kHz carrier, total signal inside V
Vsense
Symbol
I
F
V
F
V
DDsleep
I
V
V
V
R
R
ANT_C
R
R
DDon
ANT_L
V
AGND
V
sense
CM
OH
OL
PD
PU
AD
CL
IH
IL
Test Conditions
Note 1
I
I
0.2V
0.8V
I
I
Note 2
SOURCE
SINK
ANT
RDY/CLK
=100mA
=1mA
DD
DD
=1mA
=10mA
V
0.8V
0.9V
SS
2.35
Min
100
100
25
25
+ 0.5
DD
DD
CM
0.85
Typ
2.5
50
50
12
1
5
3
© EM Microelectronic-Marin SA, 06/2000, Rev. C/296
V
0.2V
0.1V
DD
Max
2.65
150
150
75
75
36
2
7
9
2
- 0.5
DD
DD
P4095
SS
may lead to
mVpp
Units
kHz
kHz
mA
µA
kΩ
kΩ
Ω
Ω
V
V
V
V
V
V
3