ADSP-2109 AD [Analog Devices], ADSP-2109 Datasheet - Page 13

• Manufacturer Part Number: ADSP-2109
• Description: Low Cost DSP Microcomputers
• Manufacturer: AD [Analog Devices]

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SPECIFICATIONS (ADSP-2104/ADSP-2109)
SUPPLY CURRENT & POWER
Parameter
I
I
NOTES
1
2
3
For typical supply current (internal power dissipation) figures, see Figure 7.
Current reflects device operating with no output loads.
V
Idle refers to ADSP-2104/ADSP-2109 state of operation during execution of IDLE instruction. Deasserted pins are driven to either V
DD
DD
IN
= 0.4 V and 2.4 V.
Supply Current (Dynamic)
Supply Current (Idle)
1, 3
1
2
3
Figure 7. ADSP-2104/ADSP-2109 Power (Typical) vs. Frequency
DEASSERTED PINS ARE DRIVEN TO EITHER V
POWER REFLECTS DEVICE OPERATING WITH NO OUTPUT LOADS.
IDLE REFERS TO ADSP-2104/ADSP-2109 OPERATION DURING EXECUTION OF IDLE INSTRUCTION.
MAXIMUM POWER DISSIPATION AT V
70
60
50
40
30
20
10
0
10.00
1
55mW
38mW
28mW
13.83
FREQUENCY – MHz
IDD IDLE
20.00
V
V
V
DD
DD
DD
Test Conditions
@ V
@ V
@ V
@ V
60mW
42mW
31mW
= 5.5V
= 5.0V
= 4.5V
1, 2
220
200
180
160
140
120
100
DD
DD
DD
DD
80
60
25.00
10.00
= max, t
= max, t
= max, t
= max, t
129mW
100mW
74mW
DD
30.00
= 5.5V DURING EXECUTION OF IDLE n INSTRUCTION.
13.83
FREQUENCY – MHz
–13–
IDD DYNAMIC
CK
CK
DD
CK
CK
OR GND.
V
V
= 50 ns
= 72.3 ns
20.00
V
= 72.3 ns
DD
DD
= 50 ns
DD
170mW
128mW
95mW
= 5.5V
= 5.0V
= 4.5V
65
60
55
50
45
40
35
30
10.00
1
25.00
55mW
41mW
40mW
2
2
13.83
IDD IDLE n MODES
FREQUENCY – MHz
30.00
IDLE 128
IDLE 16
20.00
42mW
60mW
41mW
IDD IDLE
ADSP-2104/ADSP-2109
Min
25.00
3
30.00
Max
31
24
11
10
DD
or GND.
Unit
mA
mA
mA
mA