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參數(shù)資料
| 型號(hào)： | TA8772AN |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP30 |
| 封裝： | 0.400 INCH, 1.78 MM PITCH, PLASTIC, SDIP-30 |
| 文件頁數(shù)： | 3/19頁 |
| 文件大?。?/td> | 361K |
| 代理商： | TA8772AN |
TA8772AN
2002-01-17
11
Note B9:
Pin 27 Input Dynamic Range.
(1)
Pin 7 : Pulse OFF.
(2)
Apply 100kHz sin curve signal to pin 27 with, 5.2V bias.
(3)
Observe pin 2 with spectrum analyzer measure input signal amplitude when 3rd harmonic is
40dB against fundamental wave.
Note B10: Pin 26 Linearity
(1)
Pin 7 : Pulse OFF.
(2)
Measure V3a V3f at condition mentioned in below table.
Applied voltage to pin 26
4.70V
5.00V
5.05V
5.35V
5.50V
5.80V
Measured voltage at pin 3
V3a
V3b
V3c
V3d
V3e
V3f
(3)
Calculate followings.
1)
Get the slopes.
2) Get the linearitys.
G1 = (V3b V3a) ÷ 0.3
LN1 = 100 × (G1 G2) ÷ G2
G2 = (V3d V3c) ÷ 0.3
LN2 = 100 × (G2 G3) ÷ G3
G3 = (V3f V3e) ÷ 0.3
LN3 = 100 × (G3 G1) ÷ G1
Note B11: Pin 27 Linearity.
(1)
Pin 7 : Pulse OFF.
(2)
Measure V2a V2f at condition mentioned in below table.
Applied voltage to pin 27
4.70V
5.00V
5.05V
5.35V
5.50V
5.80V
Measured voltage at pin 2
V2a
V2b
V2c
V2d
V2e
V2f
(3)
Calculate followings.
1)
Get the slopes.
2) Get the linearitys.
G1 = (V2b V2a) ÷ 0.3
LN1 = 100 × (G1 G2) ÷ G2
G2 = (V2d V2c) ÷ 0.3
LN2 = 100 × (G2 G3) ÷ G3
G3 = (V2f V2e) ÷ 0.3
LN3 = 100 × (G3 G1) ÷ G1
Note B12: Pin 2 Output Level.
(1)
Pin 7 : Pulse OFF.
(2)
Apply 100kHz, 0.8Vp-p, sine signal to pin 27 with, 5.2V bias.
(3)
Measure the output level of pin 2.
Note B13: Pin 3 Output Level.
(1)
Pin 7 : Pulse OFF.
(2)
Apply 100kHz, 0.8Vp-p, sine signal to pin 26 with, 5.2V bias.
(3)
Measure the output level of pin 3.
Note B14: Pin 2 Pulse Ins. Level.
(1)
Pin 7 : Input Sand Castle Pulse.
(2)
Observe pin 2, Measure amplitude of pulse.
Note B15: Pin 3 Pulse Ins. Level.
(1)
Pin 7 : Input Sand Castle Pulse.
(2)
Observe pin 3, Measure amplitude of pulse.
Note B16: RP Pulse Delay Time.
(1)
Pin 7 : Input Sand Castle Pulse.
(2)
Observe pin 7 and 3, Measure the period from leading at edge at pin 7 to trailing edge at pin 3.
Note B17: L.P.F. 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 when amplitude is 3dB against amplitude at 100kHz.
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