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参数资料
| 型号： | TLC2934IPWRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | PLL合成/DDS/VCOs |
| 英文描述： | PHASE LOCKED LOOP, 130 MHz, PDSO14 |
| 封装： | PLASTIC, SOP-14 |
| 文件页数： | 10/10页 |
| 文件大小： | 168K |
| 代理商： | TLC2934IPWRG4 |
Product Folder: TLC2934, High Performance Single Phase Locked Loop
PRODUCT FOLDER | PRODUCT INFO: FEATURES | DESCRIPTION | DATASHEETS | PRICING/AVAILABILITY/PKG | SAMPLES
PRODUCT SUPPORT: APPLICATIONS
TLC2934, High Performance Single Phase Locked Loop
DEVICE STATUS: ACTIVE
PARAMETER NAME
TLC2934
Supply Voltage(s) (V)
3
5V Lock Frequency x1 Output (MHz) 15 to 133
FEATURES
q
Voltage-Controlled Oscillator (VCO)
r
Ring Oscillator Using Only One External Biasing Resistor (RBIAS )
q
Recommended Lock Frequency
r
100 MHz to 130 MHz
r
(VDD = 3.3 V + 5%, TA = -20°C to 75°C)
q
Phase-Frequency Detector (PFD) Includes a High-Speed Edge-Triggered Detector With Internal Charge Pump
q
Independent VCO, PFD Power-Down Mode
q
Thin Small-Outline Package (14 Terminal)
q
Compatible Pin Assignment to TLC2932, TLC2933
DESCRIPTION
The TLC2934, a mixed signal IC designed for phase-locked-loop (PLL) systems, is composed of a voltage-controlled oscillator
(VCO) and an edge-triggered-type phase frequency detector (PFD).
The internal VCO is based on the TLC2932 and TLC2933s ring oscillator. It oscillates in wider frequency with lower supply
voltage, and it has stable oscillating performance. The oscillation function, provided by only one external resistor connection,
supplies bias to the VCI internal circuit. Oscillator range is covered from 10 MHz to 130 MHz with a 3.3-V supply voltage. The
VCO has an inhibit function to stop oscillation and for the power-down mode.
The internal PFD, a high-speed rising edge triggered type, has an internal charge pump with a high-impedance output buffer.
The PFD detects phase difference between the reference frequency input and the signal frequency input from the VCO output
through an external counter device. This functions the same as TLC2932 and TLC2933. The PFD also has the inhibit function
for stop phase comparison and for power-down mode.
TECHNICAL RESOURCES
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DATASHEET
RELATED DOCUMENTS
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file:///H|/imaging/BITTING/cpl/20020726_1/07262002_1/TXII/07262002/tlc2934.html (1 of 2) [Jul-27-2002 3:22:43 PM]
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