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参数资料
| 型号： | TA8772AN |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP30 |
| 封装： | 0.400 INCH, 1.78 MM PITCH, PLASTIC, SDIP-30 |
| 文件页数： | 4/19页 |
| 文件大小： | 361K |
| 代理商： | TA8772AN |
TA8772AN
2002-01-17
12
Note B18: L.P.F. f0 (2)
(1)
Pin 7 : Input Sand Castle Pulse.
(2)
Apply 4.5V to pin 1.
(3)
Apply 2.0V to pin 4.
(4)
Pin 24 : OPEN.
(5)
Apply 9.0V to pin 25.
(6)
Input 0.8Vp-p sin wave signal to pin 23, Measure frequency response at pin 30.
Note:
Get the frequency when amplitude is 3dB against amplitude at 100kHz.
Note B19: TRAP f0 (1)
(1)
Pin 7 : Input Sand Castle Pulse.
(2)
Apply 2.0V to pin 8.
(3)
Apply 4.5V to pin 28.
(4)
Pin 24 : OPEN.
(5)
Apply 9.0V to pin 25.
(6)
Input 0.8Vp-p sin wave signal to pin 23, Measure frequency response at pin 29.
Note:
Get the frequency at the TRAP.
Note B20: TRAP f0 (2)
(1)
Pin 7 : Input Sand Castle Pulse.
(2)
Apply 4.5V to pin 1.
(3)
Apply 2.0V to pin 4.
(4)
Pin 24 : OPEN.
(5)
Apply 9.0V to pin 25.
(6)
Input 0.8Vp-p sin wave signal to pin 22, Measure frequency response at pin 30.
Note:
Get the frequency at the TRAP.
Note B21: TRAP Attenuation Value (1).
(1)
Pin 7 : Input Sand Castle Pulse.
(2)
Apply 2.0V to pin 8.
(3)
Apply 4.5V to pin 28.
(4)
Pin 24 : OPEN.
(5)
Apply 9.0V to pin 25.
(6)
Input 0.8Vp-p sin wave signal to pin 23, Measure frequency response at pin 29.
Note:
Get the level at 3.54MHz against level at 100kHz.
Note B22: TRAP Attenuation (2)
(1)
Pin 7 : Input Sand Castle Pulse.
(2)
Apply 4.5V to pin 1.
(3)
Apply 2.0V to pin 4.
(4)
Pin 24 : OPEN.
(5)
Apply 9.0V to pin 25.
(6)
Input 0.8Vp-p sin wave signal to pin 22, Measure frequency response at pin 30.
Note:
Get the level at 3.54MHz against level at 100kHz.
Note B23: Pin 22 Impedance.
(1)
Apply 4.6V to pin 22.
(2)
Measure the current that flows into pin 22. (I22a)
(3)
Apply 5.0V to pin 22.
(4)
Measure the current that flows into pin 22. (I22b)
(5)
Calculate impedance. 400 / (I22b I22a)
Note B24: Pin 23 Impedance.
(1)
Apply 4.6V to pin 23.
(2)
Measure the current that flows into pin 23. (I23a)
(3)
Apply 5.0V to pin 23.
(4)
Measure the current that flows into pin 23. (I23b)
(5)
Calculate impedance. 400 / (I23b I23a)
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