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	<title>SZ123 &#187; rohm</title>
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	<description>FM Transmitter Lovers</description>
	<lastBuildDate>Mon, 21 Nov 2011 02:26:19 +0000</lastBuildDate>
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		<title>ROHM series FM Transmitter chips</title>
		<link>http://www.sz123.com/rohm-series-fm-transmitter-chips.html</link>
		<comments>http://www.sz123.com/rohm-series-fm-transmitter-chips.html#comments</comments>
		<pubDate>Sun, 11 Apr 2010 18:01:44 +0000</pubDate>
		<dc:creator>SZ123</dc:creator>
				<category><![CDATA[Radio-Base]]></category>
		<category><![CDATA[rohm]]></category>

		<guid isPermaLink="false">http://www.sz123.com/rohm-series-fm-transmitter-chips.html</guid>
		<description><![CDATA[Features 

ROHM's wireless audio link ICs (FM transmitter) enable the smallest FM stereo broadcasts 
Compatible with billions of FM radio receivers around the world 
Removes noise contained in digital audio sources, resulting in hi-fi sound 
Built-in hig... ]]></description>
			<content:encoded><![CDATA[<p><strong>Features </strong>
<ul>
<li>ROHM's wireless audio link ICs (FM transmitter) enable the smallest FM stereo broadcasts </li>
<li>Compatible with billions of FM radio receivers around the world </li>
<li>Removes noise contained in digital audio sources, resulting in hi-fi sound </li>
<li>Built-in high-performance digital transmitter ensures stable transmission of broadcast waves </li>
<li>A PLL circuit, stereo modulator, FM transmitter, and the like are all consolidated into a single package </li>
<li>Conforms to the global standard GE Zenith (Pilot Tone) system </li>
</ul>
<p>&#160;</p>
<p><strong>Hi-fi stereo sound that rivals that of a conventional broadcast station</strong></p>
<p>Specialized, high-performance circuit designs make it possible to deliver high-fidelity sound equivalent to a radio station.</p>
<p><strong>Application Examples</strong></p>
<p>TVs, DVD players, Set top boxes, Portable music players, Wireless headphones, Wireless speakers, PCs, PC mice, PC peripheral equipment, Cordless phones, Coffee makers, Microwaves, Ovens, Mobile phones, Digital cameras, Gaming consoles, Battery chargers, Calculators, Personal data assistants, Clocks/watches, Illumination equipment, Student desks, Dressers, Bathtubs, Vending machines, ATMs, On-board music systems, Ticket vending machines, and more</p>
<p><strong>Specifications</strong></p>
<table border="1" cellspacing="1" bordercolor="#a9a9a9" cellpadding="0">
<tbody>
<tr>
<td bgcolor="#dcdcdc" align="center">Part No.</td>
<td bgcolor="#dcdcdc" align="center">BH1425KN         <br />BH1425GWL</td>
<td bgcolor="#dcdcdc" align="center">BH1414K</td>
<td bgcolor="#dcdcdc" align="center">BH1415F         <br />BH1415FV</td>
<td bgcolor="#dcdcdc" align="center">BH1418FV         <br />BH1418KN</td>
<td bgcolor="#dcdcdc" align="center">BH1416F</td>
<td bgcolor="#dcdcdc" align="center">BH1417F         <br />BH1417FV</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Power Supply Voltage</td>
<td align="center">2.7V to 4.0V</td>
<td align="center">4.5V to 5.5V</td>
<td align="center">4.0V to 6.0V</td>
<td align="center">2.7V to 4.0V</td>
<td colspan="2" align="center">4.0V to 6.0V</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">BUS Interface Voltage</td>
<td align="center">1.7V to 4.0V</td>
<td colspan="3" align="center">Same as the power supply voltage</td>
<td colspan="2" align="center">Same as the power supply voltage</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Operating Temperature Range</td>
<td align="center">-20ºC to +85ºC</td>
<td colspan="3" align="center">-40ºC to +85ºC</td>
<td colspan="2" align="center">-40ºC to +85ºC</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Package</td>
<td align="center">VQFN28         <br />(BH1425KN)          <br />UCSP50L3          <br />( BH1425GWL)</td>
<td align="center">QFP44</td>
<td align="center">SOP22         <br />(BH1415F)          <br />SSOP-B24          <br />( BH1415FV)</td>
<td align="center">
<p>SSOP-B24           <br />( BH1418FV)            <br />VQFN28            <br />(BH1418KN)            </p>
</td>
<td align="center">SOP22</td>
<td align="center">SOP22         <br />(BH1417F)          <br />SSOP-B24          <br />( BH1417FV)</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Transmission Frequencies</td>
<td align="center">76MHｚ         <br />to 108MHｚ          <br />step 100kHz</td>
<td colspan="3" align="center">76MHｚ         <br />to 108MHｚ          <br />step 100kHz</td>
<td align="center">76.8MHｚ         <br />to 78.0MHｚ          <br />88.0MHｚ          <br />to 89.2MHｚ          <br />step 200kHz</td>
<td align="center">77.7MHｚ         <br />to 88.9MHｚ          <br />106.7MHｚ          <br />to 107.9MHｚ          <br />step 200kHz</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Transmission Output Level</td>
<td align="center">-12dBm         <br />to 0dBm</td>
<td colspan="3" align="center">-7dBm</td>
<td colspan="2" align="center">-7dBm</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">System Clock Frequencies</td>
<td align="center">12M,13M,16M,         <br />19M,19.2M,          <br />19.8M,24M,          <br />26MHzOther</td>
<td colspan="3" align="center">7.6MHｚ</td>
<td colspan="2" align="center">7.6MHｚ</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Audio input attenuator</td>
<td align="center">Yes</td>
<td align="center">Yes</td>
<td colspan="2" align="center">-</td>
<td colspan="2" align="center">-</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Pre-emphasis</td>
<td align="center">Yes</td>
<td colspan="3" align="center">Yes</td>
<td colspan="2" align="center">Yes</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Audio limiter</td>
<td align="center">Can be turned ON/OFF</td>
<td align="center">Can be turned ON/OFF</td>
<td colspan="2" align="center">ON only</td>
<td colspan="2" align="center">ON only</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Digital audio source input compatible filters</td>
<td align="center">Yes</td>
<td align="center">Yes</td>
<td colspan="2">
<div align="center">-</div>
</td>
<td colspan="2" align="center">-</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Monaural operation</td>
<td align="center">Yes</td>
<td colspan="3" align="center">Yes</td>
<td colspan="2" align="center">-</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Audio mute</td>
<td align="center">Yes</td>
<td colspan="3" align="center">Yes</td>
<td colspan="2" align="center">-</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">FM stereo modulator</td>
<td align="center">Yes</td>
<td colspan="3" align="center">Yes</td>
<td colspan="2" align="center">Yes</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">FM transmitter</td>
<td align="center">Yes</td>
<td colspan="3" align="center">Yes</td>
<td colspan="2" align="center">Yes</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Transmission frequency control system</td>
<td align="center">I2C BUS*</td>
<td colspan="3" align="center">Three-line serial BUS</td>
<td colspan="2" align="center">Parallel control</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Transmission output level control</td>
<td align="center">Yes</td>
<td colspan="3" align="center">-</td>
<td colspan="2" align="center">-</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Characteristics adjustment function via BUS interface</td>
<td align="center">
<div align="center">Yes</div>
</td>
<td colspan="3" align="center">
<div align="center">-</div>
</td>
<td colspan="2" align="center">-</td>
</tr>
<tr>
<td bgcolor="#dcdcdc" align="center">Zero current power-down mode</td>
<td>
<div align="center">Yes</div>
</td>
<td colspan="3">
<div align="center">-</div>
</td>
<td colspan="2" align="center">-</td>
</tr>
</tbody>
</table>
<table border="0" cellspacing="0" bordercolor="#a9a9a9" cellpadding="0" width="100%">
<tbody>
<tr>
<td align="right">*I2C BUS is a registered trademark of Philips.</td>
</tr>
</tbody>
</table>
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