LMH6533 Datasheet, PDF (5/11 Pages) National Semiconductor (TI) – Four - Channel Laser Diode Driver with Dual Output, LVDS Interface and HFM Oscillator

Pin Description
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
25
26
27
28
Description
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
Remark
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
Truth Tables
Enable
0
1
1
1
1
1
ENR
X
0
1
1
1
1
IOUT CONTROL
EN2
EN3
EN4
X
X
X
0
0
0
0
0
0
1
0
0
0
1
0
0
0
1
Enable
0
1
1
ENOSC
x
0
1
OSCILLATOR CONTROL
ENR
EN2
EN3
x
x
x
x
x
x
x
x
x
IOUT
OFF
OFF
A_R*I_INR
A_R*I_INR+A₂*I_IN2
A_R*I_INR+A₃*I_IN3
A_R*I_INR+A₄*I_IN4
EN4
Oscillator
x
OFF
x
OFF
x
on
5
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