MX812DW 查看數據表（PDF） - MX-COM Inc
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MX812DW Datasheet PDF : 13 Pages
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VSR CODEC with DRAM CONTROL
11
MX812 PRELIMINARY INFORMATION
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 VSS = 0V)
Sink/source current (supply pins)
(other pins)
Total device dissipation
@ TAMB 25°C
Derating
Operating Temperature
Storage Temperature
-0.3 to 7.0 V
-0.3 to (VDD+0.3V)
±30mA
±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.
VDD = 5.0V
TAMB = 25°C
Xtal/Clock f = 4.00MHz
0
Audio Level 0dB ref = 308mVrms @ 1kHz
Reply Data Line loaded with 50pF/200kΩ to VSS
Characteristics
Static Values
Supply Voltage
Supply Current
Enabled
Powersaved
Analog Input Impedance
Analog Output Impedance (Decode)
Analog Output Impedance
(Encode or Powersave)
See Note
1
1
Min.
4.5
–
–
–
–
–
Typ.
5.0
3.0
1.0
100
1.0
500
Max.
5.5
–
–
–
–
–
Unit
V
mA
mA
kΩ
kΩ
kΩ
DRAM Interface
Input Logic “1”
2
Input Logic “0”
2
Output Logic “1” (at Io = -120µA)
3
Output Logic “0” (at Io = 120µA)
3
Input Leakage Current (at VIN = 0 to VDD)
4
Input Capacitance
2
3.5
–
–
V
–
–
1.5
V
2.7
–
–
V
–
–
0.4
V
-1.0
–
1.0
µA
–
10.0
–
pF
Digital Interface
Input Logic “1”
5
Input Logic “0”
5
IIN
(logic “1” or “0”)
5
Output Logic Levels
Output Logic “1” (-120µA)
6
Output Logic “0” (360µA)
7
I Out Tri-state
(logic “1” or “0”)
6
Input Capacitance
5
IOX
(VOut = 5V)
8
3.5
–
–
–
-1.0
–
4.6
–
–
–
-4.0
–
–
–
–
–
–
V
1.5
V
1.0
µA
–
V
0.4
V
4.0
µA
7.5
pF
4.0
µA
© 1997 MX•COM Inc.
www.mxcom.com Tele: 800 638-5577 910 744-5050 Fax: 910 744-5054
Doc. # 20480076.003
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA All trademarks and service marks are held by their respective companies.
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