Datasheet Summary
Preliminary Data Sheet August 1998
LUCDA4044 Phase Frequency Detector
Features
Applications s Typical propagation delay 9.0 ns (through phase detector) s Includes charge pump and amplifier s Available in 14-pin DIP or SONB s Frequency synthesizers s Clock recovery
Description
R1 D1 2
V3 PU 4 UF 5 D2 6 GND 7
PHASE FREQUENCY DETECTOR
#1
PHASE FREQUENCY DETECTOR
#2
CHARGE PUMP
14 VCC 13 U1 12 U2 11 PD 10 DF 9 AIN 8 AOU
Figure 1. Functional Diagram
12-3519F
The LUCDA4044 consists of two digital phase detectors, a charge pump, and an amplifier. In bination with a voltage-controlled multivibrator, this device is useful in a broad range of phase-locked loop (PLL) applications. The...