| 0 |
DAP |
GND |
Die Attach Pad. Connect to PCB ground plane. |
| 1 |
GND |
GND |
Ground for charge pump. |
| 2,3 |
GND |
GND |
Ground for Fin Buffer |
| 4,5 |
Fin Fin* |
Input |
Complimentary high frequency input pins. Should be AC coupled. If driving single-ended, impedance as seen from Fin and Fin* pins looking outwards from the part should be roughly the same. |
| 6 |
Vcc |
Supply |
Power Supply for Fin Buffer |
| 7 |
Vcc |
Supply |
Supply for On-chip LDOs |
| 8 |
Vcc |
Supply |
Supply for OSCin Buffer |
| 9 |
OSCin |
Input |
Reference Frequency Input |
| 10 |
GND/ OSCin* |
GND/Input |
Complimentary input for OSCin. If not used, it is recommended to match the termination as seen from the OSCin terminal looking outwards. However, this may also be grounded as well. |
| 11 |
GND |
GND |
Ground for OSCin Buffer |
| 12 |
MOD |
Input/Output |
Multiplexed Pin for Ramp Triggers, FSK/PSK Modulation, FastLock, Readback, and Diagnostics. |
| 13 |
CE |
Input |
Chip Enable |
| 14 |
CLK |
Input |
Serial Programming Clock. |
| 15 |
DATA |
Input |
Serial Programming Data |
| 16 |
LE |
Input |
Serial Programming Latch Enable |
| 17 |
MUXout |
Input/Output |
Multiplexed Pin for Ramp Triggers, FSK/PSK Modulation, FastLock, Readback, and Diagnostics. |
| 18 |
Vcc |
Supply |
Supply for delta sigma engine. |
| 19 |
Vcc |
Supply |
Supply for general circuitry. |
| 20 |
TRIG1 |
Input/Output |
Multiplexed Pin for Ramp Triggers, FSK/PSK Modulation, FastLock, Readback, and Diagnostics. |
| 21 |
TRIG2 |
Input/Output |
Multiplexed Pin for Ramp Triggers, FSK/PSK Modulation, FastLock, Readback, and Diagnostics. |
| 22 |
Vcp |
Supply |
Power Supply for the charge pump. |
| 23 |
Rset |
NC |
No connect. |
| 24 |
CPout |
Output |
Charge Pump Output |