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參數資料
| 型號： | MX812 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | Codec |
| 英文描述： | VSR CODEC WITH DRAM CONTROL |
| 中文描述： | 振動時效編解碼器DRAM的控制 |
| 文件頁數： | 11/13頁 |
| 文件大小： | 115K |
| 代理商： | MX812 |
VSR CODEC with DRAM CONTROL
11
MX812 PRELIMINARY INFORMATION
1997 MX
COM Inc.
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
www.mxcom.com Tele: 800 638-5577 910 744-5050 Fax: 910 744-5054
Doc. # 20480076.003
All trademarks and service marks are held by their respective companies.
Specifications
Absolute Maximum Ratings
Exceeding the maximum rating can result in device
damage. Operation of the device outside the operating
limits is not suggested.
Supply Voltage
Input Voltage at any pin
(ref V
= 0V)
Sink/source current (supply pins) ±30mA
(other pins)
Total device dissipation
@ T
AMB
25°C
Derating
Operating Temperature
Storage Temperature
-0.3 to 7.0 V
-0.3 to (V
DD
+0.3V)
±20mA
800mW Max.
10mW/°C
-40°C to +85°C
-55°C to +125°C
Operating Limits
All devices were measured under the following
conditions unless otherwise noted.
V
DD
= 5.0V
T
AMB
= 25°C
Xtal/Clock f
0
= 4.00MHz
Audio Level 0dB ref = 308mVrms @ 1kHz
Reply Data Line loaded with 50pF/200k
to V
SS
Characteristics
See Note
Min.
Typ.
Max.
Unit
Static Values
Supply Voltage
Supply Current
Enabled
Powersaved
Analog Input Impedance
Analog Output Impedance (Decode)
Analog Output Impedance
(Encode or Powersave)
4.5
5.0
5.5
V
1
1
–
–
–
–
3.0
1.0
100
1.0
–
–
–
–
mA
mA
k
k
–
500
–
k
DRAM Interface
Input Logic “1”
Input Logic “0”
Output Logic “1”
Output Logic “0”
Input Leakage Current (at V
IN
= 0 to V
DD
)
Input Capacitance
2
2
3
3
4
2
3.5
–
2.7
–
-1.0
–
–
–
–
–
–
–
V
V
V
V
μ
A
pF
1.5
–
0.4
1.0
–
(at I
o
= -120
μ
A)
(at I
o
= 120
μ
A)
10.0
Digital Interface
Input Logic “1”
Input Logic “0”
I
IN
Output Logic Levels
Output Logic “1”
Output Logic “0”
I
Out
Tri-state
Input Capacitance
IOX
5
5
5
3.5
–
-1.0
–
–
–
–
V
V
μ
A
1.5
1.0
(logic “1” or “0”)
(-120
μ
A)
(360
μ
A)
(logic “1” or “0”)
6
7
6
5
8
4.6
–
-4.0
–
–
–
–
–
–
–
–
V
V
μ
A
pF
μ
A
0.4
4.0
7.5
4.0
(V
Out
= 5V)
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