ADSP-2104 Просмотр технического описания (PDF) - Analog Devices
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ADSP-2104 Datasheet PDF : 36 Pages
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ADSP-2104/ADSP-2109
SPECIFICATIONS (ADSP-2104/ADSP-2109)
SUPPLY CURRENT & POWER
Parameter
Test Conditions
Min
Max
IDD Supply Current (Dynamic)1
@ VDD = max, tCK = 50 ns2
31
@ VDD = max, tCK = 72.3 ns2
24
IDD Supply Current (Idle)1, 3
@ VDD = max, tCK = 50 ns
11
@ VDD = max, tCK = 72.3 ns
10
NOTES
1Current reflects device operating with no output loads.
2VIN = 0.4 V and 2.4 V.
3Idle refers to ADSP-2104/ADSP-2109 state of operation during execution of IDLE instruction. Deasserted pins are driven to either V DD or GND.
For typical supply current (internal power dissipation) figures, see Figure 7.
Unit
mA
mA
mA
mA
IDD DYNAMIC1
220
200
70
60
55mW
50
40
38mW
30
28mW
20
10
180
170mW
160
140
VDD = 5.5V
129mW
120
100
100mW
128mW
VDD = 5.0V
95mW
80
74mW
60
10.00 13.83
VDD = 4.5V
20.00 25.00
FREQUENCY – MHz
IDD IDLE1, 2
65
30.00
IDD IDLE n MODES3
60mW
VDD = 5.5V
42mW
VDD = 5.0V
31mW
VDD = 4.5V
60
55
55mW
50
45
41mW
40
40mW
35
60mW
IDD IDLE
IDLE 16
42mW
41mW
IDLE 128
0
10.00
13.83 20.00 25.00 30.00
FREQUENCY – MHz
30
10.00
13.83 20.00 25.00 30.00
FREQUENCY – MHz
1 POWER REFLECTS DEVICE OPERATING WITH NO OUTPUT LOADS.
2 IDLE REFERS TO ADSP-2104/ADSP-2109 OPERATION DURING EXECUTION OF IDLE INSTRUCTION.
DEASSERTED PINS ARE DRIVEN TO EITHER VDD OR GND.
3 MAXIMUM POWER DISSIPATION AT VDD = 5.5V DURING EXECUTION OF IDLE n INSTRUCTION.
Figure 7. ADSP-2104/ADSP-2109 Power (Typical) vs. Frequency
REV. 0
–13–
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