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參數資料
| 型號： | TB2118FG |
| 廠商： | Toshiba Corporation |
| 英文描述： | High Speed PLL For DTS |
| 中文描述： | 高高速PLL為DTS |
| 文件頁數： | 1/20頁 |
| 文件大小： | 348K |
| 代理商： | TB2118FG |
TB2118FG
2006-04-12
1
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
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.
Weight: 0.31g (typ.)
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