T0820 Datasheet, PDF (2/11 Pages) ATMEL Corporation – 4 CHANNEL LASER DRIVER WITH RF OSCILLATOR

Pin Configuration
Figure 2. Pinning SSO16
IR ¹
I2 ²
RF ³
I3 ⁴
I4 ⁵
NE2 ⁶
NE3 ⁷
NE4 ⁸
T0820
16 _VCC1
15 _VCC2
14 _IOUT
13 _GND
12 _RS
11 _ENABLE
10 _ENOSC
9 _VCC2
Pin Description
Pin
Symbol
1
IR
2
I2
3
RF
4
I3
5
I4
6
NE2
7
NE3
8
NE4
9
VCC2
10
ENOSC
11
ENABLE
12
RS
13
GND
14
IOUT
15
VCC2
16
VCC1
Type
Analog
Analog
Analog
Analog
Analog
Digital
Digital
Digital
Supply
Digital
Digital
Analog
Supply
Analog
Supply
Supply
Function
Input current, bias voltage approximately GND
Input current, bias voltage approximately GND
External resistor to GND sets oscillator frequency
Input current, bias voltage approximately GND
Input current, bias voltage approximately GND
Digital control of channel 2 (low active)
Digital control of channel 3 (low active)
Digital control of channel 4 (low active)
+5 V power supply for IOUT
Enables RF oscillator (high active)
Enables output current (high active)
External resistor to GND sets oscillator swing
Ground
Output current source for laser diode
+5 V power supply for IOUT
+5 V power supply for circuit
2 T0820
4506F–DVD–09/04