VSR CODEC with DRAM CONTROL
11
MX812 PRELIMINARY INFORMATION
Specifications
Operating Limits
Absolute Maximum Ratings
All devices were measured under the following
conditions unless otherwise noted.
Exceeding the maximum rating can result in device
damage. Operation of the device outside the operating
limits is not suggested.
VDD = 5.0V
Supply Voltage
-0.3 to 7.0 V
Input Voltage at any pin
(ref VSS = 0V)
TAMB = 25°C
-0.3 to (VDD+0.3V)
Sink/source current (supply pins) ±30mA
(other pins) ±20mA
Xtal/Clock f0 = 4.00MHz
Total device dissipation
@ TAMB 25°C
Derating
Operating Temperature
Storage Temperature
Audio Level 0dB ref = 308mVrms @ 1kHz
Reply Data Line loaded with 50pF/200kΩ to VSS
800mW Max.
10mW/°C
-40°C to +85°C
-55°C to +125°C
Characteristics
See Note
Min.
Typ.
Max.
Unit
Static Values
Supply Voltage
4.5
5.0
5.5
V
Supply Current
Enabled
1
1
–
–
–
–
3.0
1.0
100
1.0
–
–
–
–
mA
mA
kΩ
Powersaved
Analog Input Impedance
Analog Output Impedance (Decode)
Analog Output Impedance
(Encode or Powersave)
kΩ
–
500
–
kΩ
DRAM Interface
Input Logic “1”
Input Logic “0”
2
2
3
3
4
2
3.5
–
–
–
–
1.5
–
V
V
Output Logic “1”
Output Logic “0”
(at Io = -120µA)
(at Io = 120µA)
2.7
–
–
V
–
0.4
1.0
–
V
Input Leakage Current (at VIN = 0 to VDD)
Input Capacitance
-1.0
–
–
µA
pF
10.0
Digital Interface
Input Logic “1”
Input Logic “0”
5
5
5
3.5
–
–
–
–
–
V
V
1.5
1.0
IIN
(logic “1” or “0”)
-1.0
µA
Output Logic Levels
Output Logic “1”
Output Logic “0”
(-120µA)
6
7
6
5
8
4.6
–
–
–
–
–
–
–
V
(360µA)
0.4
4.0
7.5
4.0
V
I
Out Tri-state
(logic “1” or “0”)
-4.0
–
µA
pF
µA
Input Capacitance
IOX
(VOut = 5V)
–
© 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
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CMLMICRO [ CML MICROCIRCUITS ]
