
ADSP-BF522/ADSP-BF523/ADSP-BF524/ADSP-BF525/ADSP-BF526/ADSP-BF527
OUTPUT DRIVE CURRENTS
Figure 43 through Figure 57 show typical current-voltage char-
acteristics for the output drivers of the ADSP-BF52x processors.
The curves represent the current drive capability of the output
drivers. See Table 10 on Page 23 for information about which
driver type corresponds to a particular ball.
200
160
120
80
40
0
–40
V DDEXT = 3.6V @ – 40 °C
V DDEXT = 3.3V @ 25 °C
V DDEXT = 3.0V @ 105 °C
V OH
240
200
160
120
80
40
0
V DDEXT = 3.6V @ – 40 °C
V DDEXT = 3.3V @ 25 °C
V DDEXT = 3.0V @ 105 °C
V OH
–40
–80
–120
–160
–200
V OL
–80
–120
–160
–200
V OL
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
–240
SOURCE VOLTAGE (V)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Figure 43. Driver Type A Current (3.3V V DDEXT /V DDMEM )
SOURCE VOLTAGE (V)
Figure 46. Driver Type B Current (3.3V V DDEXT /V DDMEM )
160
V DDEXT = 2.75V @ – 40 °C
160
120
V DDEXT = 2.5V @ 25 °C
V DDEXT = 2.75V @ – 40 °C
80
V DDEXT = 2.25V @ 105 °C
120
80
V DDEXT = 2.5V @ 25 °C
V DDEXT = 2.25V @ 105 °C
40
0
–40
–80
–120
–160
V OH
V OL
40
0
–40
–80
–120
–160
V OH
V OL
0
0.5
1.0
1.5
2.0
2.5
–200
SOURCE VOLTAGE (V)
0
0.5
1.0
1.5
2.0
2.5
Figure 44. Driver Type A Current (2.5V V DDEXT /V DDMEM )
SOURCE VOLTAGE (V)
Figure 47. Driver Type B Current (2.5V V DDEXT /V DDMEM )
80
V DDEXT = 1.9V @ – 40 °C
80
60
V DDEXT = 1.8V @ 25 °C
V DDEXT = 1.9V @ – 40 °C
40
20
0
–20
–40
–60
–80
V DDEXT = 1.7V @ 105 °C
V OH
V OL
60
40
20
0
–20
–40
–60
–80
V DDEXT = 1.8V @ 25 °C
V DDEXT = 1.7V @ 105 °C
V OH
V OL
0
0.5
1.0
1.5
–100
SOURCE VOLTAGE (V)
0
0.5
1.0
1.5
Figure 45. Driver Type A Current (1.8V V DDEXT /V DDMEM )
Rev. D |
SOURCE VOLTAGE (V)
Figure 48. Driver Type B Current (1.8V V DDEXT /V DDMEM )
Page 73 of 88 | July 2013