lmh6533 National Semiconductor Corporation, lmh6533 Datasheet - Page 5

• Manufacturer Part Number: lmh6533
• Description: Four - Channel Laser Diode Driver With Dual Output, Lvds Interface And Hfm Oscillator
• Manufacturer: National Semiconductor Corporation

Pin Description
Truth Tables
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Pin #
Laser driver output channel A
Internal Oscillator Enable pin
Temp Sensing Diode
Read Channel Enable pin
Chip Enable pin
Supply Voltage A
Ground Connection A
Read Channel current setting
Channel 2 current setting
Channel 3 current setting
Channel 4 current setting
Oscillator Frequency setting Channel A
Oscillator Frequency setting Channel B
Oscillator Amplitude setting Channel A
Oscillator Amplitude setting Channel B
Channel select B
LVDS input Channel 2B
LVDS input Channel 2
LVDS input Channel 3B
LVDS input Channel 3
LVDS input Channel 4B
LVDS input Channel 4
NC
Supply Voltage
Supply Voltage
Supply Voltage
Laser driver output channel B
Ground Connection B
Enable
0
1
1
Enable
0
1
1
1
1
1
ENOSC
x
0
1
ENR
X
0
1
1
1
1
Description
ENR
x
x
x
EN2
X
0
0
1
0
0
OSCILLATOR CONTROL
IOUT CONTROL
EN2
x
x
x
EN3
X
0
0
0
1
0
5
EN3
x
x
x
Oscillator activated if pin is high
See application note on using this pin
Read Channel Enabled if pin is high
Chip Enabled if pin is high
Set by external resistor to ground
Set by external resistor to ground
Set by external resistor to ground
Set by external resistor to ground
Channel B selected if pin is high
Channel 2 active if logical input is low
Channel 2 active if logical input is high
Channel 3 active if logical input is low
Channel 3 active if logical input is high
Channel 4 active if logical input is low
Channel 4 active if logical input is high
EN4
X
0
0
0
0
1
EN4
x
x
x
IOUT
OFF
OFF
A
A
A
A
R
R
R
R
*I
*I
*I
*I
INR
INR
INR
INR
+A
+A
+A
2
3
4
Remark
Oscillator
OFF
OFF
on
*I
*I
*I
IN2
IN3
IN4
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