U3280M_07 Datasheet, PDF (16/21 Pages) ATMEL Corporation – Transponder Interface for Microcontroller

8. DC Characteristics (Continued)
Supply voltage V_DD = 1.8V to 6.5V, V_SS = 0V, T_amb = –40°C to 85°C unless otherwise specified
Parameters
Test Conditions
Pin
Symbol
Min.
Power Management
Field-on detection voltage
Field-off detection voltage
Voltage drop at
power-supply switch
Coil Inputs: Coil 1 and Coil 2
V_DD > 1.8V
V_DD > 1.8V
I_S = 0.5 mA,
V_Batt = 2 V
V_FDon
2.3
V_FDoff
V_SD
Coil input current
Input capacitance
Coil voltage stroke during
modulation
Pin MOD
V_CU > 5V
I_coil = 3 to 20 mA
I_CI
C_IN
30
V_CMS
1.8
Input LOW voltage
Input LOW voltage
Input leakage current
Pin NGAP/FC
Output LOW current
V_DD = 2.0V
V_OL = 0.2 × V_DD
Output HIGH current
V_DD = 2.0V
V_OH = 0.8 × V_DD
Serial Interface I/O Pins SCL and SDA
V_IL
V_IH
I_Ileakage
V_IH
0.8 ×
V_DD
I_OL
0.08
I_OH
–0.06
Input LOW voltage
Input HIGH voltage
Input leakage current
Output LOW current
Output HIGH current
V_DD = 2.0V
V_OL = 0.2V_DD
V_DD = 6.0V
V_DD = 2.0V
V_OH = 0.8 V_DD
V_DD = 6.0V
V_IL
V_IH
I_Ileakage
I_OL
I_OH
V_IH
0.7 ×
V_DD
0.7
2.8
–0.5
–1.8
Typ.
2.5
0.8
2.3
10
0.2
–0.15
10
0.9
3.5
–0.6
–2.2
Max.
2.9
150
20
4.0
0.2 ×
V_DD
V_DD
0.3
–0.25
0.3 ×
V_DD
V_DD
1.1
4.2
–0.7
–2.6
Unit
V
V
mV
mA
pF
V
V
V
nA
mA
mA
V
V
nA
mA
mA
mA
mA
16 U3280M
4688D–RFID–03/07