Epson SED 1520 Series - Manual (Page 31)

SED1520 Series
2–22 EPSON
Relationship between f OSC , f FR and R f , and operating bounds on V SS and V5
*9 • Relationship between oscillation frequency, frames and Rf
(SED1520F 0A ), (SED1522F 0A )
40
30
20
10
0 0.5 1.0 1.5 2.0 2.5
Ta=25°C V =-5V SS Ta=25°C V =-5V SS
[kHz]
fosc
V =-3V SS
V =-5V SS
200
100
0 0.5 1.0 1.5 2.0 2.5
SED1520
SED1522
Rf
OSC1
OSC2
[Hz]
Frame
Rf [M ]
Ω
[M ]
Ω
Rf
Same for 1/16 and 1/32 duties
Figure 5 (a) Figure 5 (b)
• Relationship between external clocks (f CL ) and frames
(SED1520F AA ) , (SED1522F AA )
200
100
0 1 2 3
f CL [kHz]
[Hz]
Frame
duty1/32
duty1/16
duty1/8
Figure 5 (c)
*10 • Operating voltage range of V SS and V5 systems
–15
–10
–5
0 –2 –4 –6 –8
(V)
V
5
V SS (V)
Operating voltage
range
Figure 6