Datasheet LTC1043 (Analog Devices) - 9
| Fabricante | Analog Devices |
| Descripción | Dual Precision Instrumentation Switched-Capacitor Building Block |
| Páginas / Página | 16 / 9 — TYPICAL APPLICATIO S. Divide by 4. 0.005% V/F Converter. 0.01% Analog … |
| Formato / tamaño de archivo | PDF / 241 Kb |
| Idioma del documento | Inglés |
TYPICAL APPLICATIO S. Divide by 4. 0.005% V/F Converter. 0.01% Analog Multiplier
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LTC1043
U TYPICAL APPLICATIO S Divide by 4 0.005% V/F Converter
LT1009 –5V 2.5k LTC1043 1k VIN 7 8 17 5V 1/2 LTC1043 11 1µF 8 7 1µF 1µF 12 11 fOUT: 0kHz TO 30kHz 14 13 13 14 4 12 16 5V GAIN 0.01µF 6.19k 2.5k 6 5 V V OUT IN – 0V TO 3V 1µF LF356 2 + 1µF 1µF –5V 3 30pF 22k 330k 18 15 Q1 2N2907A 1 16 17 µF 0.01µF –5V LTC1043 • A08 0 ≤ VIN ≤ V+ VOUT = VIN/4 ±5ppm LTC1043 • A07
0.01% Analog Multiplier
1/4 LTC1043 1k 14 13 –5V LT1004-1.2V 1µF 12 20k OUTPUT 5V † 0.001µF 80.6k* TRIM 7.5k* Y 2 7 INPUT – 6 0.01µF LT1056 1µF 3 + 4 16 5V 1/4 LTC1043 –5V 2 7 XINPUT 6 5 – 6 OUTPUT LT1056 30pF XY ±0.01% 3 22k 330k + 4 2 OPERATE LTC1043 FROM ±5V † † 2N2907A POLYSTYRENE, MOUNT CLOSE 0.001µF –5V (FOR START-UP) 1% FILM RESISTOR * ADJUST OUTPUT TRIM 1µF SO X • Y = OUTPUT ±0.01% –5V LTC1043 • A09 1043fa 9
U TYPICAL APPLICATIO S Divide by 4 0.005% V/F Converter
LT1009 –5V 2.5k LTC1043 1k VIN 7 8 17 5V 1/2 LTC1043 11 1µF 8 7 1µF 1µF 12 11 fOUT: 0kHz TO 30kHz 14 13 13 14 4 12 16 5V GAIN 0.01µF 6.19k 2.5k 6 5 V V OUT IN – 0V TO 3V 1µF LF356 2 + 1µF 1µF –5V 3 30pF 22k 330k 18 15 Q1 2N2907A 1 16 17 µF 0.01µF –5V LTC1043 • A08 0 ≤ VIN ≤ V+ VOUT = VIN/4 ±5ppm LTC1043 • A07
0.01% Analog Multiplier
1/4 LTC1043 1k 14 13 –5V LT1004-1.2V 1µF 12 20k OUTPUT 5V † 0.001µF 80.6k* TRIM 7.5k* Y 2 7 INPUT – 6 0.01µF LT1056 1µF 3 + 4 16 5V 1/4 LTC1043 –5V 2 7 XINPUT 6 5 – 6 OUTPUT LT1056 30pF XY ±0.01% 3 22k 330k + 4 2 OPERATE LTC1043 FROM ±5V † † 2N2907A POLYSTYRENE, MOUNT CLOSE 0.001µF –5V (FOR START-UP) 1% FILM RESISTOR * ADJUST OUTPUT TRIM 1µF SO X • Y = OUTPUT ±0.01% –5V LTC1043 • A09 1043fa 9