Datasheet LTC6907 (Analog Devices) - 6

LTC6907
TEST CIRCUIT
EQUIVALENT CIRCUIT OF OSCILLOSCOPE OR FREQUENCY COUNTER PROBE CTEST LTC6907 SUPPLY V+ OUT VOLTAGE 0.1µF R GND GRD C PROBE PROBE 10M DIV SET RSET 0.01% 6907 F01 10ppm/°C CTEST = 1/(1/5pF – 1/CPROBE) = 7.5pF FOR A 15pF SCOPE PROBE
Figure 1. Test Circuit with 5pF Effective Load U U U EQUIVALE T I PUT A D OUTPUT CIRCUITS
V+ V+ V+ 6 6 6 200Ω 20Ω TOTAL OUTPUT 1k SET GRD RESISTANCE 4 5 800pF GND GND GND 2 2 2 6907 F02 6907 F03 6907 F04
Figure 2. V+ Pin Figure 3. SET Pin Figure 4. GRD Pin
V+ V+ 6 6 fOUT 5M DIV OUT 150Ω 3 1 5M GND GND 2 2 6907 F05 6907 F06
Figure 5. DIV Pin Figure 6. OUT Pin
6907fa 6