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参数资料
| 型号： | TA7715P |
| 元件分类： | 模拟专用变换器 |
| 英文描述： | VOLTAGE-FREQUENCY CONVERTER, PDIP16 |
| 封装： | 0.300 INCH, 2.54 MM PITCH, PLASTIC, DIP-16 |
| 文件页数： | 5/9页 |
| 文件大小： | 336K |
| 代理商： | TA7715P |
TA7715P
2001-08-27
5
TEST CIRCUIT
*:
±1% ACCURACY IS REOUIRED
MEASURING METHOD
(1) Operating voltage range
F / V conversion must be performed when VCC is set between 9~12 V with ei = 2 mVrms and f = 726 Hz. At
this time, SWA is set to a, SWC to OFF, SWD to OFF, and SWE to a.
(2) Power supply current
In state (1), read power supply current.
(3) Input operating voltage
In state (1), read the input level when the input level is gradually increased and the SH terminal is in
operating mode (confirm square wave output of f = 726 Hz with amplitude of about 3 V).
(4) Reference voltage 1
In state (1), read the DC voltage of Vref1 terminal.
(5) Reference voltage 2
In state (1), read the DC voltage of Vref2 terminal.
(6) F / V conversion output voltage
In state (1), read the voltage between terminal Vref1VOUT. Set Rt = 27.6 k.
(7) F / V conversion output noise voltage
In state (1), read the AC voltage of pin (10).
(8) Maximum output voltage
In state (1), set the input frequency to the specified value and read the voltage between terminal Vref1VOUT.
(9) RP saturation voltage
In state (8), set the SP terminal to “OPEN” and read the DC voltage when the RP terminal is set to “ON”.
Load resistor RL should have the specified value and be connected directly to the VCC terminal. If the RP terminal
is “OFF”, set the SWD to “ON” and measure the RP saturation voltage.
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