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EL6836 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EL6836
기능 Dual 4-Channel Driver with Oscillator
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EL6836 데이터시트, 핀배열, 회로
®
PRELIMINARY
Data Sheet
Dual 4-Channel Driver with Oscillator
The EL6836 is a high performance,
dual output, laser driver for writeable
DVD drives. The ENA pin enables the
chip, while the SEL1 pin selects the IOUT pin. Various
waveforms can be generated where the amplitude is
determined by the currents flowing into IINR, IIN2, IIN3, and
IIN4. The timing is determined by the signals at WEN2B,
WEN3B, and WEN4B. The oscillator is enabled when OSEN
is high. The amplified IINR current of the selected channel is
enabled when the ENA pin is high. The total output current is
the sum of the read current, the enabled write currents, and
the oscillator current when enabled.
Usually a voltage DAC will drive a resistor that is in series
with the IINR, IIN2, IIN3, and IIN4 input. The resistor allows
the user to optimize the current gain for each channel.
WEN2B, WEN3B, and WEN4B are CMOS input pins with a
1.68V threshold. Output write current pulses are enabled
when a low is applied to the WEN2B, WEN3B, or WEN4B
pin. The write current will flow to the selected output. When
SEL1 is high IOUT1 is selected. WENRB enables read and
oscillator current when low.
The RF oscillators frequency is determined by RFREQ1 or
RFREQ2, and its amplitude by RAMP1 or RAMP2.
Ordering Information
PART
NUMBER
EL6836CL
TEMP. RANGE
0°C to +70°C
PACKAGE
32-Pin LPP
PKG. DWG. #
MDP0046
Get FULL DATASHEET
July 1, 2003
EL6836
FN7351
Features
• Two channels for CD or DVD
• Voltage-controlled output current source requiring one
external set resistor per channel
• Rise time = 0.8ns
• Fall time = 0.8ns
• Channel 2 to 250mA max
• Channel 3 to 150mA max
• Channel 4 to 100mA max
• On chip oscillator with frequency and amplitude control by
use of external resistors to ground
• Oscillator frequency to 600MHz
• Oscillator amplitude to 100mAP-P
• Single +5V supply (±10%)
• Chip ENAs for power savings
Applications
• Super combo drives
• DVD drives
Pinout
EL6836
(32-PIN LPP)
TOP VIEW
RFREQ2 1
GND 2
WENRB 3
NC 4
WEN2B 5
NC 6
WEN3B 7
NC 8
WEN4B 9
THERMAL PAD
25 VDDN
24 IOUT1
23 IOUT1
22 GND
21 GND
20 VDDN
19 VDDN
18 IOUT2
17 IOUT2
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2003. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.






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부품번호상세설명 및 기능제조사
EL6833

Dual 4-Channel Driver with Oscillator

Intersil Corporation
Intersil Corporation
EL6833

Dual 4-Channel Driver with Oscillator

Intersil Corporation
Intersil Corporation

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