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TLC2943

更新时间： 2024-11-29 22:53:03
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
27页 425K
描述
HIGH-PERFORMANCE DUAL PHASE-LOCKED BUILDING BLOCK

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TLC2943 数据手册

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TLC2943  
HIGH-PERFORMANCE DUAL PHASE-LOCKED BUILDING BLOCK  
SLAS249 – NOVEMBER 1999  
DB PACKAGE  
(TOP VIEW)  
Dual TLC2933 by Multichip Module  
(MCM) Technology  
Voltage-Controlled Oscillators (VCO)  
Section  
– Complete Oscillator Using Only One  
External Bias Resistor (RBIAS)  
– Recommended Lock Frequency  
Range  
LOGIC_1 V  
VCO_1 V  
DD  
1
DD  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
TEST_1  
R
_1  
2
BIAS  
VCO_1 OUT  
VCOIN_1  
3
F
F
-A_1  
-B_1  
VCO_1 GND  
4
IN  
IN  
VCO_1 INHIBIT  
5
PFD_1 OUT  
PFD_1 INHIBIT  
6
– 37 MHz to 60 MHz  
LOGIC_1 GND  
NC  
7
(V  
to 75°C)  
= 3.3 V ± 0.15 V, T = –20°C  
DD  
A
GND  
NC  
GND  
NC  
8
9
– 43 MHz to 100 MHz  
NC  
NC  
10  
11  
12  
13  
14  
15  
(V  
to 75°C)  
= 5 V ± 0.25 V, T = –20°C  
DD  
A
NC  
NC  
GND  
GND  
Includes a High Speed Edge-Triggered  
Phase Frequency Detector (PFD) With  
Internal Charge Pump  
Independent VCO, PFD Power-Down  
Mode  
LOGIC_2 V  
VCO_2 V  
DD  
DD  
TEST_2  
R
_2  
BIAS  
VCO_2 OUT  
VCOIN_2  
F
F
-A_2 16  
-B_2 17  
VCO_2 GND  
VCO_2 INHIBIT  
PFD_2 INHIBIT  
NC  
IN  
IN  
PFD_2 OUT 18  
19  
description  
LOGIC_2 GND  
The TLC2943 is a multichip module product that  
uses two TLC2933 chips. The TLC2933 chip is  
composed of a voltage-controlled oscillator (VCO) and an edge-triggered-type phase frequency detector  
(PFD). The oscillation frequency range of the VCO is set by an external bias resistor (R BIAS ). The high-speed  
PFD with internal charge pump detects the phase difference between the reference frequency input and signal  
frequency input from the external counter. Both the VCO and the PFD have inhibit functions that can be used  
as a power-down mode. The high-speed and stable VCO characteristics of the TLC2933 make the TLC2943  
suitable for use in dual high-performance phase-locked loop (PLL) systems.  
AVAILABLE OPTIONS  
PACKAGE  
T
A
SMALL OUTLINE (DB)  
TLC2943IDB  
–20°C to 75°C  
TLC2943IDBR (Tape and Reel)  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 1999, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...27

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