Datasheet

Rev. D | Page 77 of 88 | July 2013
ADSP-BF522/ADSP-BF523/ADSP-BF524/ADSP-BF525/ADSP-BF526/ADSP-BF527
Figure 62. Driver Type A Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (2.5V V
DDEXT
/V
DDMEM
)
Figure 63. Driver Type A Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (3.3V V
DDEXT
/V
DDMEM
)
Figure 64. Driver Type B Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (1.8V V
DDEXT
/V
DDMEM
)
4
RISE AND FALL TIME (10% TO 90%)
LOAD CAPACITANCE (pF)
0 50 100 150
8
6
0
1
2
5
200
t
RISE
t
FALL
3
7
t
RISE
= 2.5V @ 25 ° C
t
FALL
= 2.5V @ 25 ° C
3
RISE AND FALL TIME (10% TO 90%)
LOAD CAPACITANCE (pF)
0 50 100 150
6
5
0
1
2
4
200
t
RISE
t
FALL
t
RISE
= 3.3V @ 25 ° C
t
FALL
= 3.3V @ 25 ° C
4
RISE AND FALL TIME (10% TO 90%)
LOAD CAPACITANCE (pF)
0 50 100 150
9
7
0
1
3
6
200
t
RISE
t
FALL
t
RISE
= 1.8V @ 25 ° C
t
FALL
= 1.8V @ 25 ° C
2
5
8
Figure 65. Driver Type B Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (2.5V V
DDEXT
/V
DDMEM
)
Figure 66. Driver Type B Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (3.3V V
DDEXT
/V
DDMEM
)
Figure 67. Driver Type C Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (1.8V V
DDEXT
/V
DDMEM
)
4
RISE AND FALL TIME (10% TO 90%)
LOAD CAPACITANCE (pF)
0 50 100 150
7
6
0
1
2
5
200
t
RISE
t
FALL
3
t
RISE
= 2.5V @ 25 ° C
t
FALL
= 2.5V @ 25 ° C
3
RISE AND FALL TIME (10% TO 90%)
LOAD CAPACITANCE (pF)
0 50 100 150
6
5
0
1
2
4
200
t
RISE
t
FALL
t
RISE
= 3.3V @ 25 ° C
t
FALL
= 3.3V @ 25 ° C
15
RISE AND FALL TIME (10% TO 90%)
LOAD CAPACITANCE (pF)
0 50 100 150
25
20
0
5
10
200
t
RISE
t
FALL
t
RISE
= 1.8V @ 25 ° C
t
FALL
= 1.8V @ 25 ° C