T0806_05 Datasheet, PDF (3/8 Pages) ATMEL Corporation – 3-channel Laser Driver with RF Oscillator and 2 Outputs

2. Pin Configuration
Figure 2-1. Pinning SSO16
IR ¹
I2 ²
I3 3
RF 4
NE2 5
NE3 6
ENABLE ⁷
ENOSC 8
16 _VCC1
15 _IOUTA
14 _GND
T0806
13 _RSA
12 RSB
11 IOUTB
10 SELA
9 VCC2
T0806
Table 2-1.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin Description SSO16
Symbol
Type
IR
Analog
I2
Analog
I3
Analog
RF
Analog
NE2
Digital
NE3
Digital
ENABLE
Digital
ENOSC
Digital
VCC2
Supply
SELA
Digital
IOUTB
RSB
RSA
GND
IOUTA
VCC1
Analog
Analog
Analog
Supply
Analog
Supply
Function
Input current, bias voltage approximately GND
Input current, bias voltage approximately GND
Input current, bias voltage approximately GND
External resistor to GND sets oscillator frequency of oscillator A
Digital control of channel 2 (low active)
Digital control of channel 3 (low active)
Enables output current (high active)
Enables RF oscillator (high active)
+5V power supply for IOUT
High: selects IOUTA, RSA
Low: selects IOUTB, RSB
Output current source B for laser diode
External resistor to GND sets swing of oscillator B
External resistor to GND sets swing of oscillator A
Ground
Output current source A for laser diode
+5V power supply for IOUT and circuit
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4522FS–DVD–11/05