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參數(shù)資料
| 型號(hào)： | T0800-TNQ |
| 廠商： | ATMEL CORP |
| 元件分類： | 其它接口 |
| 英文描述： | 5-CHANNEL LASER DRIVER WITH RF OSCILLATOR AND 2 OUTPUTS |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PDSO24 |
| 封裝： | SSOP-24 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大小： | 290K |
| 代理商： | T0800-TNQ |
3
4503D–DVD–02/05
T0800
Figure 2-2.
Pinning
QFN28
I4
I5
RFA
RFB
GND
NE2
NE3
IOUTA
IOUTA
GND
RSA
RSB
IOUTB
IOUTB
I
I
I
N
V
V
V
N
N
E
V
V
E
S
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
Pin Description: QFN28
Symbol
I4
I5
RFA
RFB
GND
NE2
NE3
NE4
NE5
ENABLE
VCC2
ENOSC
Type
Analog
Analog
Analog
Analog
Supply
Digital
Digital
Digital
Digital
Digital
Supply
Digital
Function
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
Ground
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 IOUT
Enables RF oscillator (high active)
High: selects IOUTA, RFA, RSA
Low: selects IOUTB, RFB, RSB
Output current source B for laser diode
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
Output current source A for laser diode
+5 V power supply IOUT
+5 V power supply circuit
Not connected
Input current, bias voltage approximately GND
Input current, bias voltage approximately GND
Input current, bias voltage approximately GND
Should be connected with ground
1
2
3
4
5
6
7
8
9
10
11, 12
13
14
SELA
Digital
15
16
17
18
19
20
21
IOUTB
IOUTB
RSB
RSA
GND
IOUTA
IOUTA
VCC2
VCC1
NC
IR
I2
I3
–
Analog
Analog
Analog
Analog
Supply
Analog
Analog
Supply
Supply
–
Analog
Analog
Analog
–
22, 23
24
25
26
27
28
Paddle
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