CMOSTEK CMT2300A-EQR - Low Battery Detection; Digital Interface; Figures of Critical Parameters; Rx Current VS. Supply Voltage

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Rev1.0a | 11/50
CMT2300A
1.10 Low Battery Detection
Table 10. Low Battery Detection Specifications
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Detection accuracy
LBD
RES
50
mV
1.11 Digital Interface
Table 11. Digital interface specifications
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Digital input high level
V
IH
0.8
V
DD
Digital input low level
V
IL
0.2
V
DD
Digital output high level
V
OH
@I
OH
= -0.5mA
Vdd-0.4
V
Digital output low level
V
OL
@I
OL
= 0.5mA
0.4
V
SCLK Frequency
F
SCL
5
MHz
SCLK high time
T
CH
50
ns
SCLK low time
T
CL
50
ns
SCLKrise time
T
CR
50
ns
SCLKfall time
T
CF
50
ns
1.12 Figures of Critical Parameters
1.12.1 Rx Current VS. Supply Voltage
Testing Condition: Freq = 434MHz / 868MHz, Fdev = 10KHz, BR = 10Kbps
7.40
7.60
7.80
8.00
8.20
8.40
8.60
8.80
3.6
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
Current Comsumption(mA)
Supply Voltage(V)
Rx Current vs. Supply Voltage
434MHz
868MHz