ASMꢃ2ꢃ2ꢀ5
5
TYꢁICAL5ꢁꢀRFORMANCꢀ5CHARACTꢀRIETICE5
8
8
6
T_
OUT
(HIGH)
6
4
V+
4
2
2
0
0
–2
–4
–6
–8
–2
–4
–6
–8
V–
T_
OUT
(LOW)
0
200
400
600
800
1000
1200
0
2
4
6
8
10
12
LOAD CAPACITANCE (pF)
LOAD CURRENT (mA)
Figure 3. Transmitter Output Voltage High/Low vs.
Load Capacitance @ 460 kbps
Figure 6. Charge Pump V+, V− vs. Load Current
350
300
250
200
150
100
50
8
T_
HIGH
OUT
6
4
V+ (IMPEDANCE)
V– (IMPEDANCE)
2
0
–2
–4
–6
–8
T_
LOW
OUT
0
2.7
2.7
2.9
3.1
V
3.3
3.5
2.9
3.1
V
3.3
3.5
(V)
(V)
CC
CC
Figure 4. Transmitter Output Voltage vs. VCC
Figure 7. Charge Pump Impedance vs. VCC
8
6
20
18
16
14
12
10
8
I
@ 460kbps
T_
OUT
HIGH
CC
4
2
I
@ 230kbps
CC
0
–2
–4
–6
–8
6
4
T_
OUT
LOW
2
0
0
2
4
6
8
10
12
0
1000
2000
3000
LOAD CURRENT (mA)
LOAD CAPACITANCE (pF)
Figure 5. Transmitter Output Voltage High/Low vs. Load Current
Figure 8. Power Supply Current vs. Load Capacitance
Rev. 0 | Page 6 of 12
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