HEF4046B Phase-locked loop Rev. 7 6 January 2022 Product data sheet 1. General description The HEF4046B is a phase-locked loop circuit that consists of a linear voltage controlled oscillator (VCO) and two different phase comparators with a common signal input amplifier and a common comparator input. 2. Features and benefits Wide supply voltage range from 3.0 V to 15.0 V CMOS low power dissipation High noise immunity Fully static operation 5 V, 10 V, and 15 V parametric ratings Standardized symmetrical output characteristics Complies with JEDEC standard JESD 13-B ESD protection: HBM JESD22-A114F exceeds 2000 V MM JESD22-A115-B exceeds 200 V Specified from -40 C to +85 C 3. Ordering information Table 1. Ordering information Type number Package Temperature range Name Description Version HEF4046BT -40 C to +85 C SO16 plastic small outline package 16 leads SOT109-1 body width 3.9 mmNexperia HEF4046B Phase-locked loop 4. Functional diagram PHASE COMPARATOR 1 14 2 PC1 OUT SIG IN COMP IN 3 13 PC2 OUT PHASE R3 N COMPARATOR 2 1 PCP LOW-PASS VCO OUT 4 9 VCO IN FILTER C1A 6 C2 10 SF OUT C1 SOURCE C1B 7 V SS VCO FOLLOWER R1 R1 11 R SF V R2 SS R2 12 V SS 5 INH V 15 SS ZENER (pin 8) 001aae626 Fig. 1. Functional diagram 5. Pinning information 5.1. Pinning HEF4046B PCP OUT 1 16 V DD PC1 OUT 2 15 ZENER COMP IN 3 14 SIG IN VCO OUT 4 13 PC2 OUT INH 5 12 R2 C1A 6 11 R1 C1B 7 10 SF OUT V 8 9 VCO IN SS 001aae627 Fig. 2. Pin configuration SOT109-1 (SO16) HEF4046B All information provided in this document is subject to legal disclaimers. Nexperia B.V. 2022. All rights reserved Product data sheet Rev. 7 6 January 2022 2 / 17