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T0800 Fiches technique(PDF) 3 Page - ATMEL Corporation

No de pièce T0800
Description  5-CHANNEL LASER DRIVER WITH RF OSCILLATOR AND 2 OUTPUTS
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Fabricant  ATMEL [ATMEL Corporation]
Site Internet  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

T0800 Fiches technique(HTML) 3 Page - ATMEL Corporation

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4503D–DVD–02/05
T0800
Figure 2-2.
Pinning QFN28
I4
I5
RFA
RFB
GND
NE2
NE3
IOUTA
IOUTA
GND
RSA
RSB
IOUTB
IOUTB
28 27 26 25 24 23 22
8 9 10 11 12 13 14
1
2
3
4
5
6
7
21
20
19
18
17
16
15
Table 2-2.
Pin Description: QFN28
Pin
Symbol
Type
Function
1
I4
Analog
Input current, bias voltage approximately GND
2
I5
Analog
Input current, bias voltage approximately GND
3
RFA
Analog
External resistor to GND sets frequency of oscillator A
4
RFB
Analog
External resistor to GND sets frequency of oscillator B
5
GND
Supply
Ground
6
NE2
Digital
Digital control of channel 2 (low active)
7
NE3
Digital
Digital control of channel 3 (low active)
8
NE4
Digital
Digital control of channel 4 (low active)
9
NE5
Digital
Digital control of channel 5 (low active)
10
ENABLE
Digital
Enables output current (high active)
11, 12
VCC2
Supply
+5 V power supply IOUT
13
ENOSC
Digital
Enables RF oscillator (high active)
14
SELA
Digital
High: selects IOUTA, RFA, RSA
Low: selects IOUTB, RFB, RSB
15
IOUTB
Analog
Output current source B for laser diode
16
IOUTB
Analog
Output current source B for laser diode
17
RSB
Analog
External resistor to GND sets swing of oscillator B
18
RSA
Analog
External resistor to GND sets swing of oscillator A
19
GND
Supply
Ground
20
IOUTA
Analog
Output current source A for laser diode
21
IOUTA
Analog
Output current source A for laser diode
22, 23
VCC2
Supply
+5 V power supply IOUT
24
VCC1
Supply
+5 V power supply circuit
25
NC
Not connected
26
IR
Analog
Input current, bias voltage approximately GND
27
I2
Analog
Input current, bias voltage approximately GND
28
I3
Analog
Input current, bias voltage approximately GND
Paddle
Should be connected with ground


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