Electronic Components Datasheet Search |
|
AD713SQ Datasheet(PDF) 8 Page - Analog Devices |
|
AD713SQ Datasheet(HTML) 8 Page - Analog Devices |
8 / 14 page REV. C AD713 –8– A HIGH SPEED INSTRUMENTATION AMPLIFIER CIRCUIT The instrumentation amplifier circuit shown in Figure 5 can provide a range of gains from unity up to 1000 and higher using only a single AD713. The circuit bandwidth is 1.2 MHz at a gain of 1 and 250 kHz at a gain of 10; settling time for the entire circuit is less than 5 µs to within 0.01% for a 10 V step, (G = 10). Other uses for amplifier A4 include an active data guard and an active sense input. Figure 5. A High Speed Instrumentation Amplifier Circuit Table I provides a performance summary for this circuit. The photo of Figure 6 shows the pulse response of this circuit for a gain of 10. Table I. Performance Summary for the High Speed Instrumentation Amplifier Circuit Gain RG Bandwidth T Settle (0.01%) 1 NC 1.2 MHz 2 µs 2 20 k Ω 1.0 MHz 2 µs 10 4.04 k Ω 0.25 MHz 5 µs Figure 6. The Pulse Response of the High Speed Instrumentation Amplifier. Gain = 10 A HIGH SPEED FOUR OP AMP CASCADED AMPLIFIER CIRCUIT Figure 7 shows how the four amplifiers of the AD713 may be connected in cascade to form a high gain, high bandwidth am- plifier. This gain of 100 amplifier has a –3 dB bandwidth greater than 600 kHz. Figure 7. A High Speed Four Op Amp Cascaded Amplifier Circuit Figure 8. THD Test Circuit HIGH SPEED OP AMP APPLICATIONS AND TECHNIQUES DAC Buffers (I-to-V Converters) The wide input dynamic range of JFET amplifiers makes them ideal for use in both waveform reconstruction and digital-audio DAC applications. The AD713, in conjunction with the AD1860 DAC, can achieve 0.0016% THD (here at a 4fs or a 176.4 kHz update rate) without requiring the use of a deglitcher. Just such a circuit is shown in Figure 9. The 470 pF feedback capacitor used with IC2a, along with op amp IC2b and its associated components, together form a 3-pole low-pass filter. Each or all of these poles can be tailored for the desired attenuation and phase characteristics required for a particular application. In this application, one half of an AD713 serves each channel in a two- channel stereo system. |
Similar Part No. - AD713SQ |
|
Similar Description - AD713SQ |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |