ADSP21062 Datasheet, PDF (42/48 Pages) Analog Devices – DSP Microcomputer Family

ADSP-21062/ADSP-21062L
100
75
50
25
0
–25
–50
–75
–100
–125
–150
–175
–200
0
5.25V, –40؇C
5.0V, +25°C
4.75V, +85°C
4.75V, +85°C
5.0V, +25°C _{5.25V, –40°C}
0.75 1.50 2.25 3.00 3.75 4.50 5.25
SOURCE VOLTAGE – V
Figure 28. ADSP-21062 Typical Drive Currents (V_DD = 5 V)
5
4
3
Y = 0.03X –1.45
2
1
NOMINAL
–1
25
50
75
100
125
150
175
200
LOAD CAPACITANCE – pF
Figure 31. Typical Output Delay or Hold vs. Load Capaci-
tance (at Maximum Case Temperature) (V_DD = 5 V)
16.0
14.0
12.0
RISE TIME
10.0
8.0
Y = 0.005X + 3.7
6.0
FALL TIME
4.0
2.0
Y = 0.0031X + 1.1
0
0 20 40 60 80 100 120 140 160 180 200
LOAD CAPACITANCE – pF
Figure 29. Typical Output Rise Time (10%–90% V_DD) vs.
Load Capacitance (V_DD = 5 V)
3.5
3.0
2.5
RISE TIME
2.0
Y = 0.009X + 1.1
1.5
1.0
FALL TIME
Y = 0.005X + 0.6
0.5
0
0 20 40 60 80 100 120 140 160 180 200
LOAD CAPACITANCE – pF
Figure 30. Typical Output Rise Time (0.8 V–2.0 V) vs.
Load Capacitance (V_DD = 5 V)
120
100
80
3.3V, +25°C
60
3.6V, –40°C
40
3.0V, +85؇C
20
V_OH
0
–20
3.0V, +85°C
3.3V, +25°C
–40
3.6V, –40°C
–60
–80
–100
V_OL
–120
0
0.5
1
1.5
2
2.5
3
3.5
SOURCE VOLTAGE – V
Figure 32. ADSP-21062 Typical Drive Currents (V_DD = 3.3 V)
18
16
14
Y = 0.0796X + 1.17
12
10
RISE TIME
8
6
Y = 0.0467X + 0.55
4
FALL TIME
2
0
0 20 40 60 80 100 120 140 160 180 200
LOAD CAPACITANCE – pF
Figure 33. Typical Output Rise Time (10%–90% V_DD) vs.
Load Capacitance (V_DD = 3.3 V)
–42–
REV. B