T0816_05 Datasheet, PDF (4/15 Pages) ATMEL Corporation – 3-channel Laser Driver with RF Oscillator

Figure 2-2. Pinning QFN16
NC
RF
I3
NER
16 15 14 13
1
12
2
11
3
10
4
9
5678
IOUT
IOUT
RS
ENABLE
Table 2-2.
Pin
1
2
3
4
5
6
7
8
9
10
11,12
13
14
15
16
Paddle
Pin Description: QFN16
Symbol
Type
Function
NC
–
Not connected
RF
Analog External resistor to GND sets frequency of oscillator A
I3
Analog Input current, bias voltage approximately GND
NER
Digital Digital control of R channel (low active)
NE2
Digital Digital control of channel 2 (low active)
NE3
Digital Digital control of channel 3 (low active)
VCC2
Supply +5V power supply for IOUT
ENOSC
Digital Enables RF oscillator (high active)
ENABLE
Digital Enables output current (high active)
RS
Analog External resistor to GND sets oscillator swing
IOUT
Analog Output current source for laser diode
VCC2
Supply +5V power supply for IOUT
VCC1
Supply +5V power supply for circuit
IR
Analog Input current, bias voltage approximately GND
I2
Analog Input current, bias voltage approximately GND
GND
Supply Ground
4 T0816
4505H–DVD–11/05