Download ADSP-2186M DSP Microcomputer

ADSP-2186M
Capacitive Loading
POWER, INTERNAL1, 2, 3
115
Figure 16 and Figure 17 show the capacitive loading characteristics of the ADSP-2186M.
110mW
110
VDD = 2.65V
100
30
95mW
95
T = 85ⴗC
VDD = 0V TO 2.0V
90
85
VDD = 2.5V
82mW
25
82mW
RISE TIME (0.4V–2.4V) – ns
POWER (PINT) – mW
105
80
75
VDD = 2.35V
70mW
70
65
60
55
61mW
50
55
60
65
1/tCK – MHz
70
75
80
POWER, IDLE1, 2, 4
20
15
10
5
30
28mW
0
VDD = 2.65V
24mW
24mW
24
50
100
150
CL – pF
22
20mW
16
16
14
50
55
60
65
1/tCK – MHz
70
75
80
POWER, IDLE n MODES 2
26
24mW
IDLE
24
VDD = 2.65V
22
20mW
14
12
10
8
6
4
2
NOMINAL
–2
–4
20
–6
18
VDD = 2.5V
IDLE (16)
IDLE (128)
15mW
VDD = 2.35V
0
50
100
150
200
250
CL – pF
16.4mW
Figure 17. Typical Output Valid Delay or Hold vs. Load
Capacitance, CL (at Maximum Ambient Operating
Temperature)
15.7mW
14.25mW
12
50
75
55
60
65
70
80
1/tCK – MHz
NOTES:
VALID FOR ALL TEMPERATURE GRADES.
1 POWER REFLECTS DEVICE OPERATING WITH NO OUTPUT LOADS.
2 TYPICAL POWER DISSIPATION AT 2.5V V
DDINT AND 25ⴗC, EXCEPT
WHERE SPECIFIED.
3I
DD MEASUREMENT TAKEN WITH ALL INSTRUCTIONS EXECUTING FROM
INTERNAL MEMORY. 50% OF THE INSTRUCTIONS ARE MULTIFUNCTION
(TYPES 1, 4, 5, 12, 13, 14), 30% ARE TYPE 2 AND TYPE 6, AND 20% ARE
IDLE INSTRUCTIONS.
4 IDLE REFERS TO STATE OF OPERATION DURING EXECUTION
OF IDLE INSTRUCTION. DEASSERTED PINS ARE DRIVEN TO EITHER VDD
OR GND.
Figure 15. Power vs. Frequency
REV. 0
300
18
VDD = 2.35V
18
14
250
20mW
20
16
200
Figure 16. Typical Output Rise Time vs. Load Capacitance
(at Maximum Ambient Operating Temperature)
VDD = 2.5V
16.5mW
POWER (PIDLEn) – mW
0
26
VALID OUTPUT DELAY OR HOLD – ns
POWER (PIDLE) – mW
28
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