ATR0881-PTQW ATMEL [ATMEL Corporation], ATR0881-PTQW Datasheet - Page 3

• Manufacturer Part Number: ATR0881-PTQW
• Description: 3-output Laser Driver with 5 Channels and Serial Interface
• Manufacturer: ATMEL [ATMEL Corporation]

2. Pin Configuration
Figure 2-1.
Table 2-1.
9105BS–DVD–03/08
Corners
15, 16
Pin
10
11
12
13
14
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
Pinning QFN24
Pin Description
Symbol
VDDAB
IOUTC
IOUTA
IOUTB
GNDC
SDATA
NENO
RREF
SENB
SCLK
ENO
GND
NEX
VDD
VDD
NE5
NE4
NE3
NE2
E3
E2
IW
IR
Digital in/out
Analog out
Analog out
Analog out
Analog in
Analog in
Analog in
Digital in
Digital in
Digital in
Digital in
Digital in
Digital in
Digital in
Digital in
Digital in
Digital in
Digital in
Supply
Supply
Supply
Supply
Supply
Type
Function
Enable channel 5 (inverting, single ended) or enable channel 4 (non-inverting, LVDS)
Enable channel 4 (inverting, LVDS, or single ended)
Enable channel 3 (non-inverting, LVDS)
Enable channel 3 (inverting, LVDS, or single ended)
Enable channel 2 (non-inverting, LVDS)
Enable channel 2 (inverting, LVDS, or single ended)
Enable HFM (non-inverting, LVDS, or single ended)
Enable HFM (inverting, LVDS)
Multipurpose enable input (inverting, all channels, channel 1, write channels)
Power supply
Reference current input for write channels
Reference current input for read channels
GND
Laser diode anode connection
Power supply for outputs IOUTA and IOUTB
Laser diode anode connection
GND for output IOUTC
Laser diode cathode connection
Reference current input for HFM and overcurrent detector
Power supply
Serial enable
Serial data input and output
Serial clock
Paddle – at least one corner has to be connected to GND
NE5
NE4
NE3
NE2
E3
E2
1
2
3
4
5
6
24 23 22
7
8
Exposed
Upside
Paddle
9
10
21 20 19
11 12
18
17
16
15
14
13
GNDC
IOUTB
VDDAB
VDDAB
IOUTA
GND
ATR0881 [Preliminary]
3