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LMH6525 Fiches technique(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
No de pièce LMH6525
Description  Four-hannel Laser Diode Driver with Dual Output
Download  15 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

LMH6525 Fiches technique(HTML) 3 Page - National Semiconductor (TI)

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+5V DC Electrical Characteristics (Note 8) (Continued)
Unless otherwise specified, all limits guaranteed for T
J = 25˚C, RL =10
Ω. Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min
(Note 7)
Typ
(Note 6)
Max
(Note 7)
Units
V
THI
TTL High Voltage
Input (L to H)
ENR
ENOSC (LMH6526)
2
1.27
V
V
THI
TTL High Voltage
Input (L to H)
B-Select (LMH6525)
A-Select (LMH6526)
2
1.51
V
V
EHI
Enable High Voltage
Enable Input (L to H)
2.8
2.13
V
I
Spd
Supply Current, Power Down
Enable = Low
0.003
0.1
mA
I
Sr1
Supply Current, Read Mode,
Oscillator Disabled
ENOSC = Low; ENOSCB = High
I2=I3=I4=I
R = 125 µA
81.5
100
mA
I
Sr2
Supply Current, Read Mode,
Oscillator Enabled
ENOSC = High; ENOSCB = Low
I2=I3=I4=I
R = 125 µA
R
FA = 3.5 k
81.5
100
mA
I
Swr
Supply Current, Write Mode
EN2 = EN3 = EN4 = High;
I2=I3=I4=I
R = 125 µA
180
210
mA
I
S
Supply Current
All Channels disable, no input
current. SELA/B = Low
R
AA,RAB,RFA,RFB =
33
40
mA
+5V AC ELECTRICAL CHARACTERISTICS
Unless otherwise specified, all limits guaranteed for T
J = 25˚C, IOUT = 40 mA DC and 40 mA pulse, RL =50
Ω. Boldface limits
apply at the temperature extremes.
Symbol
Parameter
Conditions
Min
(Note 7)
Typ
(Note 6)
Max
(Note 7)
Units
t
r
Write Rise Time
I
OUT = 40 mA (Read) + 40 mA
(10% to 90%) R
LOAD =5
0.6
ns
t
f
Write Fall Time
I
OUT = 40 mA (Read) + 40 mA
(90% to 10%) R
LOAD =5
1.6
ns
t
r
Write Rise Time
I
OUT = 100 mA (Read) + 100 mA
(10% to 90%) R
LOAD =5
0.6
ns
t
f
Write Fall Time
I
OUT = 100 mA (Read) + 100 mA
(90% to 10%) R
LOAD =5
1.0
ns
t
r
Write Rise Time
I
OUT = 150 mA (Read) + 150 mA
(10% to 90%) R
LOAD =5
0.6
ns
t
f
Write Fall Time
I
OUT = 150 mA (Read) + 150 mA
(90% to 10%) R
LOAD =5
1.0
ns
OS
Output Current Overshoot
I
OUT = 40 mA (Read) + 40 mA
(Note 11)
18
%
IN
0
Output Current Noise
I
OUT = 40 mA; RLOAD =50
Ω;
f = 50 MHz; ENOSC = Low
0.24
nA/
t
ON
I
OUT ON Prod. Delay
Switched on EN2 and EN2B
3.1
ns
t
OFF
I
OUT OFF Prop. Delay
Switched on EN2 and EN2B
3.3
ns
t
disr
Disable Time, Read Channel
Switched on ENR
3.5
as
T
enr
Enable Time, Read Channel
Switched on ENR
2.8
ns
t
dis
Disable Time (Shutdown)
Enable = High to Low
37
ns
t
en
Enable Time (Shutdown)
Enable = Low to High
4.5
µs
BW
C
Channel Bandwidth, −3 dB
I
OUT = 50 mA, All Channels
250
KHz
F
OSC
Oscillator Frequency
R
F = 3.48 k
Range 200 MHz to 600 MHz
290
360
430
MHz
www.national.com
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