参数资料
型号: ADSP-2105BP-80
厂商: Analog Devices Inc
文件页数: 15/64页
文件大小: 0K
描述: IC DSP CONTROLLER 16BIT 68PLCC
标准包装: 19
系列: ADSP-21xx
类型: 定点
接口: 同步串行端口(SSP)
时钟速率: 20MHz
非易失内存: 外部
芯片上RAM: 3kB
电压 - 输入/输出: 5.00V
电压 - 核心: 5.00V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 68-LCC(J 形引线)
供应商设备封装: 68-PLCC(24.23x24.23)
包装: 管件
ADSP-21xx
–22–
REV. B
SUPPLY CURRENT & POWER (ADSP-2111)
Parameter
Test Conditions
Min
Max
Unit
IDD
Supply Current (Dynamic)
1
@ VDD = max, tCK = 50 ns
2
60
mA
@ VDD = max, tCK = 60 ns
2
52
mA
@ VDD = max, tCK = 76.9 ns
2
46
mA
IDD
Supply Current (Idle)
1, 3
@ VDD = max, tCK = 50 ns
18
mA
@ VDD = max, tCK = 60 ns
16
mA
@ VDD = max, tCK = 76.9 ns
14
mA
NOTES
1Current reflects device operating with no output loads.
2V
IN = 0.4 V and 2.4 V.
3Idle refers to ADSP-21xx 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 17.
SPECIFICATIONS (ADSP-2111)
Figure 17. ADSP-2111 Power (Typical) vs. Frequency
POWER
(P
IDLE
)–
mW
POWER, IDLE 1,2
50
30
40
80
60
70
90
100
20
18
17
16
15
14
19
100mW
70mW
50mW
1
/ t
CK
– MHz
40mW
55mW
80mW
POWER, IDLE
n MODES 3
40
30
35
55
45
50
60
65
70
IDLE;
32mW
34mW
IDLE 16;
IDLE 128;
70mW
55mW
20
18
17
16
15
14
19
36mW
38mW
POWER
(P
IDLE
n
)–
mW
1
/ t
CK
– MHz
VALID FOR ALL TEMPERATURE GRADES.
1
POWER REFLECTS DEVICE OPERATING WITH NO OUTPUT LOADS.
2
IDLE REFERS TO ADSP-21xx OPERATION DURING EXECUTION OF IDLE INSTRUCTION.
DEASSERTED PINS ARE DRIVEN TO EITHER V
DD
OR GND.
3
MAXIMUM POWER DISSIPATION AT V
DD
= 5.0V DURING EXECUTION OF
IDLE n INSTRUCTION.
POWER
(P
INT
)–
mW
20
18
17
16
15
14
19
1
/ t
CK
– MHz
330mW
260mW
200mW
250mW
200mW
155mW
POWER, INTERNAL 1
190
150
170
250
210
230
270
310
290
330
V
DD
= 5.5V
V
DD
= 5.0V
V
DD
= 4.5V
V
DD
= 5.5V
V
DD
= 5.0V
V
DD
= 4.5V
V
DD
= 5.0V
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