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ATR0809 Fiches technique(PDF) 3 Page - ATMEL Corporation

No de pièce ATR0809
Description  FOUR CHANNEL LASER DRIVER WITH RF OSCILLATOR AND TWO OUTPUTS
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Fabricant  ATMEL [ATMEL Corporation]
Site Internet  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATR0809 Fiches technique(HTML) 3 Page - ATMEL Corporation

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ATR0809
4792BS–DVD–05/04
Pin Configuration SSO20
Figure 2. Pinning SSO20
IR
I2
I3
I4
RFA
RFB
NER
NE2
NE3
NE4
VCC
ENABLE
IOUTA
GND
RSA
RSB
IOUTB
SELA
VCC
ENOSC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Pin Description
Pin
Symbol
Type
Function
1
IR
Analog
Input current, bias voltage approximately GND
2
I2
Analog
Input current, bias voltage approximately GND
3
I3
Analog
Input current, bias voltage approximately GND
4
I4
Analog
Input current, bias voltage approximately GND
5
RFA
Analog
External resistor to GND sets frequency of oscillator A
6
RFB
Analog
External resistor to GND sets frequency of oscillator B
7
NER
Digital
Digital control of channel 1 (read, active low)
8
NE2
Digital
Digital control of channel 2 (active low)
9
NE3
Digital
Digital control of channel 3 (active low)
10
NE4
Digital
Digital control of channel 4 (active low)
11
ENOSC
Digital
Enables RF oscillator (active high)
12
VCC
Supply
5 V power supply
13
SELA
Digital
High: selects IOUTA, RSA, RFA
Low: selects IOUTB, RSB, RFB
14
IOUTB
Analog
Output current source B for laser diode
15
RSB
Analog
External resistor to GND sets swing of oscillator B
16
RSA
Analog
External resistor to GND sets swing of oscillator A
17
GND
Supply
Ground
18
IOUTA
Analog
Output current source A for laser diode
19
ENABLE
Digital
Enables output current (active high)
20
VCC
Supply
5 V power supply


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