HDSP-420X Agilent(Hewlett-Packard), HDSP-420X Datasheet - Page 10

• Manufacturer Part Number: HDSP-420X
• Description: 20 mm (0.8 inch) Seven Segment Displays
• Manufacturer: Agilent(Hewlett-Packard)

HDMP-1512 (Tx), HDMP-1514 (Rx)
DC Electrical Specifications
T
HDMP-1512 (Tx)
Laser Driver Characteristics
T
C
Z
C
V
Z
V
Symbol
V
V
V
V
LZMDF_ACI
V
Symbol
LZDC_DCH
LZDC_ACO
= 0 C to +85 C, V
t
LZDC_DCL
I
I
= 0 C to +85 C, V
V
I
OH,TTL
t
OL,TTL
PS
V
V
LZDC_OP
I
r,LZOUT
A
IH,TTL
IL,TTL
CC,Tx
CC,Rx
LZDC_L
f,LZOUT
LZMDF
t
LZMDF
f
I
LZCSE
LZBTP
LZTC
DCOA
-3dB
I
mod
TH
pb
TTL Input High Voltage Level, Guaranteed high signal for
all inputs, I
TTL Input Low Voltage Level, Guaranteed low signal for all
inputs, I
TTL Output High Voltage Level, I
TTL Output Low Voltage Level, I
Transmitter V
Receiver V
Power Supervisor DC Threshold Voltage
Laser Diode Prebias Current Set Range (Using
External pnp Transistor, P1 in Figure 3, with
Laser Diode Modulation Current Set Range
(Peak to Peak) into 25
Laser Driver Rise Time, 25
Laser Driver Fall Time, 25
Time for V
when Terminated with C = 0.1 F
LZCSE Reference Voltage
Bandgap Test Point Reference Voltage
Laser Monitor Diode Feedback Voltage
Laser Driver DC Operational Amplifier Gain,
Unloaded, see Figure 3
Laser Driver DC Operational Amplifier Bandwidth
Recommended LZDC Operating Range, Laser Diode
DC Bias Control
LZDC Laser DC Bias Low Voltage Setting
LZDC Laser DC Bias High Voltage Setting
LZDC Load Current, over V
LZDC AC Output Impedance
LZMDF AC Input Impedance
LZMDF Input Current
> 100)
CC
IL
CC
CC
= -1mA
= 4.5 V to 5.5 V
= 4.5 V to 5.5 V
IH
LZTC
Supply Current, with TTL output data 50% 1’s
CC
= 100 A
Supply Current, without laser biased
to Discharge to Fault Threshold
Parameter
Parameter
Load
LZDC_OP
load, 20% to 80%
load, 20% to 80%
OL
OH
= -1 mA
= 1 mA
Units
msec
psec
psec
MHz
mA
mA
mA
dB
V
V
V
V
V
V
A
V
V
Unit
CC
CC
mA
mA
Min.
V
V
V
V
V
1.3
25
- 1.8
- 0.6
Min.
2.4
4.0
2
0
0
10,000
Typ.
1.85
325
325
300
400
0.4
2.3
20
35
2
6
Typ.
4.25
320
400
V
V
CC
CC
Max.
130
15
Max.
- 0.75
- 2.0
450
550
0.8
0.6
4.5
5
5
665