ADSP-BF531/ADSP-BF532
60
40
20
100
VDDEXT = 2.75V
VDDEXT = 2.50V
VDDEXT = 2.25V
VDDEXT = 2.75V
VDDEXT = 2.50V
VDDEXT = 2.25V
80
60
40
20
0
0
–20
–40
–60
VOH
VOH
–20
–40
–60
VOL
VOL
–80
–100
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
SOURCE VOLTAGE (V)
SOURCE VOLTAGE (V)
Figure 34. Drive Current C (VDDEXT = 2.5 V)
Figure 37. Drive Current D (VDDEXT = 2.5 V)
30
60
40
20
0
V
V
= 1.9V
DDEXT
= 1.8V
DDEXT
DDEXT
20
V
= 1.9V
= 1.8V
= 1.7V
DDEXT
DDEXT
V
= 1.7V
V
V
10
0
DDEXT
-10
-20
-20
-40
-30
-40
-60
0
0
0.5
1.0
1.5
2.0
0.5
1.0
1.5
2.0
SOURCE VOLTAGE (V)
SOURCE VOLTAGE (V)
Figure 38. Drive Current D (VDDEXT = 1.8 V)
Figure 35. Drive Current C (VDDEXT = 1.8 V)
150
100
50
100
80
60
40
20
V
V
DDEXT = 3.65V
DDEXT = 3.30V
V
DDEXT = 3.65V
VDDEXT = 3.30V
VDDEXT = 2.95V
VDDEXT = 2.95V
0
VOH
0
–20
–40
–60
VOH
–50
VOL
–100
VOL
–150
–80
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
–100
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
SOURCE VOLTAGE (V)
SOURCE VOLTAGE (V)
Figure 39. Drive Current D (VDDEXT = 3.3 V)
Figure 36. Drive Current C (VDDEXT = 3.3 V)
Rev. D
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Page 44 of 60
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August 2006