T0820-TCQG 19 Atmel, T0820-TCQG 19 Datasheet
T0820-TCQG 19
Specifications of T0820-TCQG 19
Related parts for T0820-TCQG 19
T0820-TCQG 19 Summary of contents
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... Writable Optical Drives 1. Description The T0820 is a laser diode driver for the operation of a grounded laser diode for writable optical drives. It includes four channels for four different optical power levels which are controlled by a separate IC. The read channel generates a continuous output level whereas channels are provided as write channels with very fast switching speeds. Write current pulses are enabled when a " ...
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... Figure 1-1. Block Diagram T0820 2 I4 Channel 4 NE4 I3 Channel 3 NE3 I2 Channel 2 NE2 IR Read channel ENABLE RF oscillator ENOSC RF RS IOUT 4506G–DVD–11/05 ...
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... Enables RF oscillator (high active) Digital Enables output current (high active) Analog External resistor to GND sets oscillator swing Supply Ground Analog Output current source for laser diode Supply +5V power supply for IOUT Supply +5V power supply for circuit 16 VCC1 15 VCC2 14 IOUT 13 GND ENABLE 10 ENOSC 9 VCC2 T0820 3 ...
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... Junction ambient Note: 1. Measured with multi-layer test board (JEDEC standard) 5. Operating Range Parameters Supply voltage range Input current External resistor to GND to set oscillator frequency External resistor to GND to set oscillator swing Operating temperature range T0820 4 Symbol Value V –0 –0.5 to +0.8 IN1 V – ...
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... VEN 11 VEN 10 VEO 10 VEO INE INE 11 IEN 11 IEN 10 IEO 10 IEO Min. Typ. Max. 0.3 PD2 95 R1 100 R2 230 W 16 off 1.3 LO 2.0 HI 0.5 LO 3.0 HI 0.5 LO 3.0 HI –300 LO 800 HI –150 LO 100 HI –100 LO 800 HI T0820 Unit Type µA A µA A µA A µA A µA A µ ...
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... OUT 4.22 sensitivity, write mode *) Type means: A =100% tested 100% correlation tested Characterized on samples Design parameter Note: 1. Linearity of the amplifier is calculated using a best fit method at three operating points mA, 40 mA, and 60 mA. I OUT T0820 6 Test Conditions Pin Symbol (1) Any channel 14 (1) Any channel ...
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... OUT at 14 OUT = 50 mA, all OUT OUT at 14 OUT 14 Min. Typ. Max. t 1.0 3.0 RISE t 1.1 3.0 FALL 2 2.0 OFF t 10 DIS LCA F 255 300 350 OSC -150 OSC T 4 DISO T 2 ENO OSC T0820 Unit Type MHz C MHz A ppm mApp A 7 ...
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... Application Information Figure 9-1. Figure 9-2. Figure 9-3. T0820 8 Oscillator Frequency vs. Resistor RF (RS = 560 ) 550 500 450 400 350 300 250 200 kOhm ) Oscillator Swing vs. Resistor RS ( 120 100 300 600 RS ( Ohm ) Oscillator Frequency Depending of Swing (RS = 560 ) 200 250 300 350 ...
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... Transfer Characteristic of Channel 2 (gain = 112) 300 250 200 150 100 500 1000 1500 I2 ( µA ) Transfer Characteristic of Channel 3 and 4 (gain = 112) 300 250 200 150 100 500 1000 1500 I3 ( µA ) Step Response, Read Channel: 50 mA, Channel 3 = 200 mApp T0820 2000 2500 3000 2000 2500 3000 9 ...
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... Figure 9-7. Timing Diagram ENABLE NE2 NE3 NE4 t EN Figure 9-8. Typical Application Circuit T0820 OFF NE2 6 11 NE3 7 10 NE4 OFF t OFF t DIS VCC VCC1 VCC2 LD IOUT GND RS ENABLE ENOSC VCC2 VCC 4506G–DVD–11/05 ...
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... Ordering Information Extended Type Number T0820-TCQG 11. Package Information 4506G–DVD–11/05 Package Remarks SSO16 Taped and reeled, Pb-free T0820 11 ...
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... Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN ATMEL’S TERMS AND CONDI- TIONS OF SALE LOCATED ON ATMEL’S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ...