MX029 查看數據表（PDF） - MX-COM Inc
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MX029 Datasheet PDF : 13 Pages
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Dual Digitally Controlled Amplifier
4
2. Signal List
MX029
Pin No.
J, DW
TN
1
1
2
4
3
5
4
6
5
7
6
8
7
9
8
12
9
13
10
16
11
17
12
18
13
20
14
21
15
23
16
24
2, 3, 10,
11,14,
15, 19,
22
Type
Description
Serial Clock
Control (Data)
Load/ Latch
Ch 1 Input 1
Ch 1 Input 2
Ch 2 Input 1
Ch 2 Input 2
VSS
VBIAS
Ch 1 Input 3
Ch 2 Output
Ch 1 Output
Ch 1 Output
Universal
Amp Out
Universal
Amp In
VDD
N/C
This external clock input is used to “clock in” the Control Data.
See Figure 4 for timing information. This input has an internal
1M pullup resistor.
Input: Operation of the two amplifier channels (Ch1 - Ch2) is
controlled by the data entered serially at this pin. The data is
entered (bit 13 to bit 0) on the rising edge of the external Serial
Clock. The data format is described in Tables 1-5 and Figure 3.
This input has an internal 1M pullup resistor.
This function governs the loading and execution of the control
data. During serial data loading this input should be kept at a
logical “1” to ensure that data rippling past the latches has no
effect. When all 14 bits have been loaded this input should be
strobed “1 - 0 -1” to latch the new data in. Data is executed on
the rising edge of the strobe.
Analog Input.
Analog Input.
Analog Input.
Analog Input.
Negative supply (GND).
The output of the on-chip bias circuitry, held at VDD/2.
Analog Input. Normally used for FSK data.
Analog Output.
Analog Output.
Analog Output.
Output from general purpose amplifier.
Inverting input to general purpose amplifier.
Positive supply rail. A single +5-volt power supply is required.
No internal connection
1998 MX-COM, INC.
www.mxcom.com Tele: 800 638 5577 910 744 5050 Fax: 910 744 5054
Doc. # 20480096.008
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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