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TS1005DB-SOT 数据表(PDF) 2 Page - Touchstone Semiconductor Inc |
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TS1005DB-SOT 数据表(HTML) 2 Page - Touchstone Semiconductor Inc |
2 / 5 page TS1005 Op Amp Demo Board Page 2 TS1005DB r1p1 RTFDS Description The TS1005DB evaluation board with SC70 packaging provides one configuration, namely an inverting configuration. The TS1005DB-SOT evaluation board with SOT23 packaging provides two configurations for evaluating the TS1005 operational amplifier in one single PCB board, namely a non- inverting configuration located on the left-hand side of the board and an inverting configuration located on the right-hand side of the board. In both cases, the input to each circuit is AC-coupled. The demo board provides a re-biasing scheme at one-half the power supply or VDD/2 for the inverting configuration and at VDD/4 for the non-inverting configuration. The TS1005 demo board provides a dedicated power supply for the non-inverting circuit and a dedicated power supply for the inverting circuit. This provides the user the flexibility of evaluating one circuit at a time or both at the same time. In both the non-inverting and the inverting configuration, the AC-coupling capacitor creates a high pass filter. The resulting cut-off frequency, fC, is given as: fC= 1 2 In the non- inverting circuit, = 5=1MΩ and = 5=0.1µF. In the inverting case, = 10=1MΩ and C=C1=0.1µF. In both cases, these component values generate a high-pass cut-off frequency of 1.6Hz. Default Configurations Non-Inverting configuration In the non- inverting configuration, the circuit’s transfer function is given by the following equation: I = 1 With =2MΩ and =2MΩ the circuit signal gain is 2 with a circuit bandwidth of 10kHz. This results in an overall circuit bandwidth range of 1.6Hz to 10kHz. Inverting configuration In an inverting configuration, the circuit’s transfer function is given by the following equation: I = - 6 10 In this case, 6=1MΩ and 10=1MΩ. his results in a signal gain of -1 with a circuit bandwidth of 10kHz and an overall circuit bandwidth range of 1.6Hz to 10kHz. Quick Start Procedures Required Equipment TS1005 demo board DC Power Supply, Single or Dual Output Function Generator 4-channel Oscilloscope wo 1MΩ oscilloscope probes Non-Inverting Configuration In order to evaluate the TS1005 operational amplifier in the non-inverting configuration, the following steps are to be performed: 1) Before connecting the DC power supply to the demo board power test points, turn on the power supply and set the DC voltage to 5.5V and then turn it off. 2) Set the function generator frequency to 500Hz and output level with a VOH = 2.35V and a VOL = 2.15V. This sets the input signal swing to 200mVPP, centered at 2.25V. 3) In order to monitor the input and output signal, select two channels on the oscilloscope and set the vertical voltage scale and the vertical position on each channel to 100mV/DIV and -2.25V, respectively. Set the horizontal time scale to 500µs/DIV. 4) Connect the positive terminal of the DC power supply to VDD and the ground terminal to GND. |
类似零件编号 - TS1005DB-SOT |
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类似说明 - TS1005DB-SOT |
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