RX3408, RX3408-LF, RX3410 Selling Leads, Datasheet
MFG:HIMARK Package Cooled:SSOP-3.9-28P D/C:06+
RX3408, RX3408-LF, RX3410 Datasheet download
Part Number: RX3408
MFG: HIMARK
Package Cooled: SSOP-3.9-28P
D/C: 06+
RX3408, RX3408-LF, RX3410
- Table of contents:
Info of RX3408
Info of RX3408-LF
Info of RX3410
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About RX3408
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Datasheet: RX3408
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About RX30000
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Datasheet: RX30000
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About RX30000
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Datasheet: RX30000
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RX3408 General Description
The RX3408 is a low power IF receiver suitable for use as the second IF downconverter in double conversion receiver systems and a serial data input, phase-locked loop IC with programmable input and reference frequency dividers. The RX3408 is well-suited for wireless FM applications and incorporates a quadrature FM demodulator, on-chip audio filter, and a squelch/mute circuit. When combined with a VCO, this IC becomes the core of a very low power frequency synthesizer well-suited for mobile communication applications, e.x. paging systems and family radio service (FRS). There are some features implemented in this IC, including an 18-bit programmable input frequency divider, a terminal for reference oscillator buffer output, as well as stand-by control through programming, and etc. Details are listed in the following.
RX3408 Maximum Ratings
| Parameter | Symbol | Rating | Unit |
| Supply voltage | VDD1 | VSS 0.3 to VSS + 2.0 | V |
| VDD2 | VSS 0.3 to VSS + 6.0 | V | |
| VCC | VSS 0.3 to VSS + 6.0 | V | |
| Input voltage range | VFIN | VSS 0.3 to VDD + 0.3 | V |
| Operating temperature range | TOPR | 30 to 70 | °C |
| Storage temperature range | TSTG | 65 to 150 | °C |
| Soldering temperature range | TSLD | 255 | °C |
| Soldering time range | tSLD | 10 | s |
RX3408 Features
Supply voltage range: 2.7 to 3.3 V
Built-in crystal oscillator for mixer local oscillator
Mixer input frequency: 10 - 50 MHz
Quadrature detector
On-chip audio filter
Audio output
Up to 40 MHz external crystal oscillator reference frequency under normal condition
With Schmitt trigger added for noise-immune programming input
18-bit programmable input frequency divider (including a ÷ 64/65 prescaler) with divide ratio range from 4032 to 262143
13-bit programmable reference frequency divider (including a ÷ 8 prescaler) with divide ratio range from 40 to 65528
Optional lock detector output (LD, fR/2, fV/2)
Charge pump output for passive low-pass filter
Wide tuning range of charge pump output for external VCO (VSS+0.5 to VDD2-0.5)
Switchover terminal for constant of loop filter or general open drain output
Reference oscillator buffer output
SSOP 28L package (0.64mm pitch)
Built-in crystal oscillator for mixer local oscillator
Mixer input frequency: 10 - 50 MHz
Quadrature detector
On-chip audio filter
Audio output
Up to 40 MHz external crystal oscillator reference frequency under normal condition
With Schmitt trigger added for noise-immune programming input
18-bit programmable input frequency divider (including a ÷ 64/65 prescaler) with divide ratio range from 4032 to 262143
13-bit programmable reference frequency divider (including a ÷ 8 prescaler) with divide ratio range from 40 to 65528
Optional lock detector output (LD, fR/2, fV/2)
Charge pump output for passive low-pass filter
Wide tuning range of charge pump output for external VCO (VSS+0.5 to VDD2-0.5)
Switchover terminal for constant of loop filter or general open drain output
Reference oscillator buffer output
SSOP 28L package (0.64mm pitch)
RX3408 Connection Diagram
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