atr0885 ATMEL Corporation, atr0885 Datasheet - Page 3

• Manufacturer Part Number: atr0885
• Description: Atr0885 3-output Laser Driver For Hd-dvd/ Blu-ray/dvd/ Cd-rom
• Manufacturer: ATMEL Corporation

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