參數(shù)資料
型號(hào): ADSP-2104
廠商: Analog Devices, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: low cost DSP microcomputers
中文描述: 低成本DSP單片機(jī)
文件頁數(shù): 13/36頁
文件大?。?/td> 333K
代理商: ADSP-2104
ADSP-2104/ADSP-2109
REV. 0
–13–
SPECIFICATIONS (ADSP-2104/ADSP-2109)
SUPPLY CURRENT & POWER
Parameter
T est Conditions
Min
Max
Unit
I
DD
Supply Current (Dynamic)
1
@ V
DD
= max, t
CK
= 50 ns
2
@ V
DD
= max, t
CK
= 72.3 ns
2
@ V
DD
= max, t
CK
= 50 ns
@ V
DD
= max, t
CK
= 72.3 ns
31
24
11
10
mA
mA
mA
mA
I
DD
Supply Current (Idle)
1, 3
NOT ES
1
Current reflects device operating with no output loads.
2
V
= 0.4 V and 2.4 V.
3
Idle 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.
Figure 7. ADSP-2104/ADSP-2109 Power (Typical) vs. Frequency
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 V
OR GND.
3
MAXIMUM POWER DISSIPATION AT V
DD
=
5.5V DURING EXECUTION OF IDLEn NSTRUCTION.
P
30.00
20.00
13.83
FREQUENCY
– MHz
10.00
25.00
30
45
35
40
50
60
55
65
IDLE 128
IDD IDLE
IDLE 16
55mW
41mW
40mW
60mW
41mW
IDD IDLE n MODES
3
P
30.00
20.00
13.83
FREQUENCY
– MHz
10.00
25.00
80
60
140
100
120
160
200
180
220
129mW
100mW
74mW
170mW
128mW
95mW
IDD DYNAMIC
1
V
DD
=
5.5V
V
DD
=
5.0V
V
DD
=
4.5V
P
30.00
20.00
13.83
FREQUENCY
– MHz
10.00
25.00
0
30
10
20
40
60
50
70
55mW
38mW
28mW
60mW
42mW
31mW
IDD IDLE
1, 2
V
DD
=
5.5V
V
DD
=
5.0V
V
DD
=
4.5V
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