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Part Number: MX315A
Description: The MX315A is a monolithic CMOS tone encoder for sub-audible tone squelch systems, which provides thre...
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MX315A
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DataSheet
General Description
MX315A General Description
The MX315A is a monolithic CMOS tone encoder for sub-audible tone squelch systems, which provides three additional frequencies over the earlier MX315A. These frequencies are 69.3, 97.4 and 206.5Hz. The tone frequencies are derived from an input reference frequency. An on-chip inverter is provided to drive an external crystal circuit.
Tone selection is achieved through six programming inputs and two control inputs (which allow either a logic "1" or "0" to enable the device). A low distortion sinewave is generated at the TX Tone Output when the MX315A is enabled. The emitter follower output stage can source 1mW directly into a 600 load (0dBm). The MX315A is available in the following package styles: 16-pin SOIC (MX315ADW), 14-pin PDIP (MX315AP) and 14-pin CDIP (MX315AJ).
MX315A Maximum Ratings
| General | Min. | Max. | Units |
| Supply Voltage | -0.3 | 7.0 | V |
| J / P /DW Packages | |||
| Total Allowable Device Dissipation at TAMB = 25 | 800 | mW | |
| Derating above 25 | 10 | mW/ above 25 | |
| Operating Temperature | 30 | +85 | |
| Storage Temperature | 55 | +125 |
MX315A Features
·Field Programmable Tone
·Encoder 40 CTCSS Frequencies Crystal-Controlled Frequency
·Stability Low Distortion Sinewave Output Few External Components
·Required CMOS Low Power Requirements
·Encoder 40 CTCSS Frequencies Crystal-Controlled Frequency
·Stability Low Distortion Sinewave Output Few External Components
·Required CMOS Low Power Requirements
MX315A Typical Application
·Mobile Radio Base Stations & Repeater
·Stations
·Mobile Radios
·Hand-Held Radios
·Industrial Controls
·Intercom Systems
·Door-Entry Systems
·Stations
·Mobile Radios
·Hand-Held Radios
·Industrial Controls
·Intercom Systems
·Door-Entry Systems
MX315A Connection Diagram
| General | Min. | Max. | Units |
| Supply Voltage | -0.3 | 7.0 | V |
| J / P /DW Packages | |||
| Total Allowable Device Dissipation at TAMB = 25 | 800 | mW | |
| Derating above 25 | 10 | mW/ above 25 | |
| Operating Temperature | 30 | +85 | |
| Storage Temperature | 55 | +125 |
MX315A
PDF/DataSheet Download
- Datasheet: MX315A
- File Size: 179186 KB
- Manufacturer: CMLMICRO [CML Microcircuits]
- Click here to Download
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