PLL Circuits

A PLL circuit, or Phase-Locked Loop, features a Voltage-Controlled Oscillator (VCO) whose output is constantly adjusted to match the phase and frequency of an input signal using feedback from a Phase Comparator. A PLL circuit is often used to synchronise (lock) RF receiver circuits to an incoming carrier signal. If a frequency divider n is introduced between the VCO output and the phase comparator, the PLL circuit output frequency will be fin/n, locked in phase to fin. If fin comes from a highly-stable fixed frequency oscillator and n is programmable, then the circuit forms the basis of an accurate Digital Frequency Synthesiser.

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Description Price Number of Elements per Chip Maximum Supply Current Maximum Input Frequency Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage Maximum Operating Temperature Maximum Output Frequency Minimum Operating Supply Voltage
RS Stock No. 923-6693
Mfr. Part No.CD4046BEE4
TWD9
Each (In a Tube of 25)
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 18 V +125 °C - 3 V
RS Stock No. 483-6774
Mfr. Part No.74HCT9046AD,112
BrandNexperia
TWD78
Each (In a Pack of 5)
units
1 - - Surface Mount SOIC 16 10 x 4 x 1.45mm 10mm 4mm 1.45mm 5.5 V +125 °C - 4.5 V
RS Stock No. 103-5689
Mfr. Part No.74HCT9046AD,112
BrandNexperia
TWD85
Each (In a Tube of 50)
units
1 - - Surface Mount SOIC 16 10 x 4 x 1.45mm 10mm 4mm 1.45mm 5.5 V +125 °C - 4.5 V
RS Stock No. 709-1965
Mfr. Part No.CD4046BEE4
TWD19
Each (In a Pack of 10)
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 18 V +125 °C - 3 V
RS Stock No. 145-1118
Mfr. Part No.CD4046BPW
TWD7
Each (In a Tube of 90)
units
1 0.1 → 1 μA 1.4MHz Surface Mount TSSOP 16 5.1 x 4.5 x 1.05mm 5.1mm 4.5mm 1.05mm 18 V +125 °C 1.6 MHz, 2.4 MHz 5 V
RS Stock No. 809-6191
Mfr. Part No.CD4046BPW
TWD18
Each (In a Pack of 15)
units
1 0.1 → 1 μA 1.4MHz Surface Mount TSSOP 16 5.1 x 4.5 x 1.05mm 5.1mm 4.5mm 1.05mm 18 V +125 °C 1.6 MHz, 2.4 MHz 5 V
RS Stock No. 877-8782
Mfr. Part No.AD800-52BRZ
TWD1,113
Each
units
1 170 mA - Surface Mount SOIC 20 13 x 7.6 x 2.36mm 13mm 7.6mm 2.36mm -5.5 V +85 °C 51.84MHz -4.5 V
RS Stock No. 662-4586
Mfr. Part No.CD74HC7046AM
TWD49
Each (In a Pack of 5)
units
1 - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 6 V +125 °C - 2 V
RS Stock No. 634-192
Mfr. Part No.CD74HCT297E
TWD67
Each
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 5.5 V +125 °C - 4.5 V
RS Stock No. 162-9622
Mfr. Part No.P3PS850BHG-08CR
TWD30
Each (On a Reel of 3000)
units
1 28 mA 72MHz Surface Mount WDFN 8 2 x 2 x 0.75mm 2mm 2mm 0.75mm 3.6 V +85 °C 72MHz 2.3 V
RS Stock No. 462-1718
Mfr. Part No.TLC2933IPW
TWD82
Each
units
1 - - Surface Mount SOIC 14 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm 5.25 V +75 °C - 2.85 V
RS Stock No. 145-6969
Mfr. Part No.CD74HC7046AM
TWD57
Each (In a Tube of 40)
units
1 - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 9.9mm 3.91mm 1.58mm 6 V +125 °C - 2 V
RS Stock No. 662-4570
Mfr. Part No.CD74HC297E
TWD90
Each (In a Pack of 5)
units
1 - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 19.3mm 6.35mm 4.57mm 6 V +125 °C - 2 V
New
RS Stock No. 173-2767
Mfr. Part No.SI5317C-C-GM
TWD421
Each (In a Tray of 490)
units
3 279 mA 711MHz Surface Mount QFN 36 6 x 6 x 0.85mm 6mm 6mm 0.85mm 3.63 V +85 °C 200MHz 2.97 V
RS Stock No. 796-0097
Mfr. Part No.Si5317C-C-GM
TWD309
Each
units
3 279 mA 711MHz Surface Mount QFN 36 6 x 6 x 0.85mm 6mm 6mm 0.85mm 3.63 V +85 °C 200MHz 2.97 V
RS Stock No. 662-3965
Mfr. Part No.CD74HC4046APWR
TWD18
Each (In a Pack of 10)
units
1 - - Surface Mount TSSOP 16 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm 6 V +125 °C - 2 V
RS Stock No. 131-1249
Mfr. Part No.HMC832ALP6GE
TWD885
Each
units
- 237 mA @ 800 MHz 350MHz Surface Mount LFCSP-VQ 40 6.1 x 6.1 x 0.85mm 6.1mm 6.1mm 0.85mm 3.5 V +85 °C 3000MHz 3.1 V
RS Stock No. 162-9623
Mfr. Part No.PCS3P8103AG-06JR
TWD38
Each (On a Reel of 2500)
units
1 0.5 mA 16.667MHz Surface Mount TSOT-23 6 2.9 x 1.9 x 0.8mm 2.9mm 1.9mm 0.8mm 3.6 V +70 °C 66.66MHz 3 V
RS Stock No. 528-337
Mfr. Part No.TLC2933AIPW
TWD167
Each
units
1 - - Surface Mount TSSOP 14 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm 5.25 V +75 °C - 2.85 V
RS Stock No. 709-2508
Mfr. Part No.TLC2932AIPW
TWD112
Each
units
1 - - Surface Mount TSSOP 14 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm 5.25 V +75 °C - 2.85 V