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参数资料
| 型号： | TA8573FN |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO10 |
| 封装： | 0.65 MM PITCH, PLASTIC, SSOP-10 |
| 文件页数： | 2/8页 |
| 文件大小： | 265K |
| 代理商： | TA8573FN |
TA8573FN
2001-10-31
2
BLOCK DIAGRAM
DESCRIPTION
1.High frequency modulation
The TA8573FN suppress a laser diode noise by high frequency current.
So this high frequency current is supplied from APC block, a lower consumption system of high frequency
modulation is realized.
The frequency of modulation is adjustable by an external resistor (R F-Adj).
Adjustable range of f (HFM) = 150MHz~400MHz
Accuracy of setting frequency ≤ ±20%
The amplitude of modulation is adjustable by an external resistor (R A-Adj).
Adjustable range of I (HFM) = 0~50mAp-p
2.Power save mode
The TA8573FN monitors a laser diode voltage (LDA-pin voltage).
When this voltage is lower than 1.25V, VCO circuit function stops and power save mode is selected.
(ICC = 3.5mA (Typ.))
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