atr0808 ATMEL Corporation, atr0808 Datasheet - Page 4

• Manufacturer Part Number: atr0808
• Description: Three Channel Laser Driver With Rf Oscillator And Two Outputs - Atmel Corporation
• Manufacturer: ATMEL Corporation

Pin Configuration QFN16
Figure 3. Pinning QFN16
Pin Description
4
Paddle
Pin
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
ATR0808
ENABLE
Symbol
ENOSC
IOUTB
IOUTA
VCC2
VCC1
SELA
GND
GND
NE2
NE3
RSB
RSA
RF
IR
I3
I2
Analog
Analog
Supply
Analog
Analog
Analog
Supply
Analog
Analog
Analog
Supply
Supply
Digital
Digital
Digital
Digital
Digital
Type
Function
Input current, bias voltage approximately GND
External resistor to GND sets frequency of oscillator
Digital control of channel 2 (low active)
Digital control of channel 3 (low active)
Enables output current (high active)
Enables RF oscillator (high active)
+5 V 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
+5 V power supply for circuit
Input current, bias voltage approximately GND
Input current, bias voltage approximately GND
Ground
NE2
NE3
RF
I3
1
2
3
4
16 15 14 13
5 6 7 8
12
11
10
9
GND
RSA
RSB
IOUTB
4724ES–DVD–01/04