TB2118FG

更新时间： 2024-11-09 03:28:59

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TB2118FG 数据手册

TB2118FG

TOSHIBA Bi−CMOS Integrated Circuit Silicon Monolithic

TB2118FG

High Speed PLL For DTS

TB2118FG is a high−speed phase−locked loop (PLL) LSI for car

audio tuners with a built−in charge pump circuit. All functions

are controlled through serial bus lines. The device is used to

configure high−performance digital tuning systems.

Features

Weight: 0.31g (typ.)

•

Built−in high−speed program divider with built−in 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 high−speed mode for large current output seek, the lockup time between FM band edges

can be set to approx. 500µs by selecting an appropriate VT range and low−pass filter constant.

RDS supported

N−value data and charge pump output current data (total of 18−bits) can be selected using two resisters.

•

Built−in low−pass filter op−amps for FM and AM.

Built−in 20−bit binary counter for counting IF frequency.

Crystal oscillator can be used 10.25MHz or 10.35MHz.

Two output ports (open−collector 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.

2006-04-12

12 3 4 5 6 7...20

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