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ATR0885 Scheda tecnica(PDF) 3 Page - ATMEL Corporation

Il numero della parte ATR0885
Spiegazioni elettronici  3-output Laser Driver for HD-DVD/ Blu-ray/DVD/ CD-ROM
PDF  6 Pages
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Produttore elettronici  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATR0885 Scheda tecnica(HTML) 3 Page - ATMEL Corporation

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3
4923CS–DVD–02/08
ATR0885 [Preliminary]
2.
Pin Configuration
Figure 2-1.
Pinning QFN24
IOUTA
VCCA
IOUTB
VCCB
IOUTC
VCCC
24 23 22 21 20 19
7 8
9 10 11 12
18
17
16
15
14
13
1
2
3
4
5
6
GND
SEL1
SEL2
ENOSC
VCCS
PDOUT
Table 2-1.
Pin Description
Pin
Symbol
Type
Function
1
GND
Supply
Ground, power supply
2
SEL1
Digital
Logic pin 1 to select IOUT/ENABLE IC
3
SEL2
Digital
Logic pin 2 to select IOUT/ENABLE IC
4
ENOSC
Digital
Digital control of RF oscillator
5
VCCS
Supply
+5V power supply for internal circuit
6
PDOUT
Analog
IV amplifier output
7
GND
Supply
Ground, power supply
8
VREF
Analog
Reference voltage input
9
PDIN
Analog
Photo-diode input
10
RTIA
Analog
External resistor defining transimpedance IOUTA
11
RTIB
Analog
External resistor defining transimpedance IOUTB
12
RTIC
Analog
External resistor defining transimpedance IOUTC
13
VCCC
Supply
+5V to +9V power supply for IOUTC
14
IOUTC
Analog
Output current source C for laser diode
15
VCCB
Supply
+5V to +9V power supply for IOUTB
16
IOUTB
Analog
Output current source B for laser diode
17
VCCA
Supply
+5V to +9V power supply for IOUTA
18
IOUTA
Analog
Output current source A for laser diode
19
GND
Supply
Ground, power supply
20
RF
Analog
External resistor to GND; sets frequency of oscillator
21
RSA
Analog
External resistor to GND; sets swing of oscillator A
22
RSB
Analog
External resistor to GND; sets swing of oscillator B
23
RSC
Analog
External resistor to GND; sets swing of oscillator C
24
IR
Analog
Input current bias;
∼500Ω to ground
Paddle
GND
Supply
-



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