ADM561 Analog Devices, ADM561 Datasheet - Page 5

• Manufacturer Part Number: ADM561
• Description: Ultralow Power/ +3.3 V/ RS-232 Notebook PC Serial Port Drivers/Receivers
• Manufacturer: Analog Devices

REV. 0
Typical Performance Curves
Figure 4. Transmitter Output Voltage vs. Load Current
Figure 3. Transmitter Output Voltage High vs. Load
Capacitance
Figure 5. Transmitter Output Voltage High vs. V
6
5
4
3
2
0
1
10.5
0
6.25
5.75
5.25
4.75
9.5
8.5
7.5
6.5
5.5
4.5
3.5
2.5
0
T
V
4 TRANSMITTERS LOADED
WITH RL = 5k || CL
C1 – C4 = 1µF
A
CC
500
= +25 C
= +3.3V
3.0
1 TRANSMITTER
LOADED
LOAD CAPACITANCE – pF
T
C1 – C4 = 1µF
V
TRANSMITTERS UNLOADED
1
A
CC
4 TRANSMITTERS
LOADED
1000
= +25 C
= +3.3V
160kbps
3.5
T
2
1500
OUT
| I
V
OUT
CC
HIGH
4.0
80kbps
– Volts
| – mA
T
OUT
T
C1 – C4 = 1µF
TRANSMITTERS LOADED
WITH 5k || 2500pF
2000
A
3
= +25 C
LOW
20kbps
4.5
2500
4
5.0
3000
5.5
5
CC
–5–
Figure 7. Transmitter Slew Rate vs. Load Capacitance
Figure 6. Transmitter Output Voltage Low vs. Load
Capacitance
Figure 8. Transmitter Output Voltage Low vs. V
–10
–1
–2
–3
–4
–5
–6
7.5
6.5
5.5
4.5
3.5
2.5
–3
–4
–5
–6
–7
–8
–9
0
0
2.5
0
4 TRANSMITTERS
LOADED
T
V
4 TRANSMITTERS LOADED
WITH RL = 5k || C
C1 – C4 = 1µF
A
CC
500
500
3.0
= +25 C
1 TRANSMITTER
LOADED
= +3.3V
160kbps
LOAD CAPACITANCE – pF
LOAD CAPACITANCE – pF
1000
1000
3.5
L
V
80kbps
CC
1500
1500
T
C1 – C4 = 1µF
TRANSMITTERS LOADED
WITH 5k || 2500pF
ADM560/ADM561
4.0
A
– Volts
= +25 C
4 TRANSMITTERS
LOADED
3 TRANSMITTERS
LOADED
T
V
R
C1 – C4 = 1µF
A
CC
L
2000
2000
20kbps
4.5
= +25 C
= 5k
= +3.3V
2500
2500
5.0
3000
3000
5.5
CC