ADSP-BF534 View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'ADSP-BF534' PDF : 68 Pages View PDF
ADSP-BF534/ADSP-BF536/ADSP-BF537
OUTPUT DRIVE CURRENTS
Figure 35 through Figure 46 show typical current-voltage char-
acteristics for the output drivers of the processors. The curves
represent the current drive capability of the output drivers as a
function of output voltage. See Table 9 on Page 19 for informa-
tion about which driver type corresponds to a particular pin.
120
100
80
60
40
20
0
-2 0
-4 0
-6 0
-8 0
-100
0
VDDE XT = 2.25V @ 95°C
VDDE XT = 2.50V @ 25°C
VDDE XT = 2.75V @ -40°C
VOH
VOL
0.5
1.0
1.5
2.0
2.5
3. 0
SOURCE VOL TAGE (V)
Figure 35. Drive Current A (Low VDDEXT)
15 0
10 0
50
0
-50
-10 0
-15 0
0
VDDEX T = 3.0V @ 95°C
VDDEX T = 3.3V @ 25°C
VDDEX T = 3.6V @ -40°C
VO H
VOL
0. 5
1 .0
1 .5
2.0
2.5
3. 0
3.5
4.0
SOURCE VOLTAGE (V)
Figure 36. Drive Current A (High VDDEXT)
150
100
50
0
-50
-100
-150
0
VDD EX T = 2. 25V @ 95°C
VDDE XT = 2.50V @ 25° C
VDDE XT = 2.75V @ -40°C
VOH
VOL
0.5
1. 0
1.5
2 .0
2. 5
3.0
SOURCE VOLTAGE (V)
Figure 37. Drive Current B (Low VDDEXT)
200
150
100
50
0
-50
-100
-150
-200
0
VDDE XT = 3.0V @ 95°C
VDDE XT = 3.3V @ 25°C
VDDEX T = 3.6V @ - 40°C
VO H
VOL
0. 5
1 .0
1 .5
2.0
2.5
3. 0
3.5
4.0
SOURCE VOLTAGE (V)
Figure 38. Drive Current B (High VDDEXT)
Rev. B | Page 50 of 68 | July 2006
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