XR-2212 Datasheet, PDF (6/20 Pages) Exar Corporation – Precision Phase-Locked Loop

XR-2212
Signal
Input
2
30K
Phase
Detector
Input
16
30K
Loop
Phase
Detector
Output
10
1
Vcc
Reference
Output
11 ^Voltage
Input Preamplifier
Phase Detector
Internal Voltage Reference
2K
5K
2K
Timing
Capacitor
13 ^C0 14
A A1
A
A1
VCO
5K _Quad
15Out
5K
5K
12
Timing
Resistor
R_O
3
VCO
Current
Output
VCO
Out
5
Inv
Inp
7
Non
Inv
Inp
9
Amp
Out
8
6
Comp
Op Amp _{4 GND}
Figure 4. Simplified Circuit Schematic of XR-2212
Rev. 2.01
6