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| 型號： | TB2118FG |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, PDSO24 |
| 封裝： | 0.300 INCH, 1 MM PITCH, PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 344K |
| 代理商： | TB2118FG |
TB2118FG
2006-04-12
1
TOSHIBA BiCMOS Integrated Circuit Silicon Monolithic
TB2118FG
High Speed PLL For DTS
TB2118FG is a highspeed phaselocked loop (PLL) LSI for car
audio tuners with a builtin charge pump circuit. All functions
are controlled through serial bus lines. The device is used to
configure highperformance digital tuning systems.
Features
Builtin highspeed program divider with builtin prescalers.
FM: 30~150MHz (pulse swallowing method)
AM: 1~40MHz (pulse swallowing method)
Phase comparator outputs are constant current output for both FM and AM. Current values can be switched
using serial data. In highspeed mode for large current output seek, the lockup time between FM band edges
can be set to approx. 500s by selecting an appropriate VT range and lowpass filter constant.
RDS supported
Nvalue data and charge pump output current data (total of 18bits) can be selected using two resisters.
Builtin lowpass filter opamps for FM and AM.
Builtin 20bit binary counter for counting IF frequency.
Crystal oscillator can be used 10.25MHz or 10.35MHz.
Two output ports (opencollector output) and two I / O ports (CMOS) supported.
Package is SSOP 24 pin.
(Note)
Pins 1 and 24 are susceptible to surge. Take care when handling.
Weight: 0.31g (typ.)
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