T0800-TNQ
| Model | T0800-TNQ |
| Description | 5-CHANNEL LASER DRIVER WITH RF OSCILLATOR AND 2 OUTPUTS |
| PDF file | Total 14 pages (File size: 291K) |
| Chip Manufacturer | ATMEL |
2. Pin Configuration
Figure 2-1.
Pinning SSO24
IR
I2
I3
I4
I5
RFA
RFB
NE2
NE3
NE4
NE5
ENABLE
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
VCC1
VCC2
IOUTA
IOUTA
GND
RSA
RSB
IOUTB
IOUTB
SELA
ENOSC
VCC2
Table 2-1.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16/17
18
19
20
21/22
23
24
Pin Description: SSO24
Symbol
IR
I2
I3
I4
I5
RFA
RFB
NE2
NE3
NE4
NE5
ENABLE
VCC2
ENOSC
SELA
IOUTB
RSB
RSA
GND
IOUTA
VCC2
VCC1
Type
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Digital
Digital
Digital
Digital
Digital
Supply
Digital
Digital
Analog
Analog
Analog
Supply
Analog
Supply
Supply
Function
Input current, bias voltage approximately GND
Input current, bias voltage approximately GND
Input current, bias voltage approximately GND
Input current, bias voltage approximately GND
Input current, bias voltage approximately GND
External resistor to GND sets frequency of oscillator A
External resistor to GND sets frequency of oscillator B
Digital control of channel 2 (low active)
Digital control of channel 3 (low active)
Digital control of channel 4 (low active)
Digital control of channel 5 (low active)
Enables output current (high active)
+5 V power supply for IOUT
Enables RF oscillator (high active)
High: selects IOUTA, RFA, RSA
Low: selects IOUTB, RFB, 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 IOUT
+5 V power supply for circuit
2
T0800
4503D–DVD–02/05
