LMH6525 Datasheet, PDF (2/15 Pages) National Semiconductor (TI) – Four-hannel Laser Diode Driver with Dual Output

Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance
Human Body Model (Note 2)
Machine Model (Note 3)
Supply Voltages V⁺ – V^−
Differential Input Voltage
Output Short Circuit to Ground
(Note 4)
Input Common Mode Voltage
Storage Temperature Range
Junction Temperature (Note 5)
2 KV
200V
5.5V
±5.5V
Continuous
V^− to V⁺
−65˚C to +150˚C
+150˚C
Operating Ratings (Note 1)
Supply Voltage (V⁺ – V^−)
Operating Temperature Range (T_A)
(Note 8)
Package Thermal Resistance
(Note 5), (Note 8)
(θ_JC)
(θ_JA) (no heatsink)
(θ_JA) (no heatsink see (Note 10))
I_INR/3/4
I_IN2
R_FREQ
R_AMP
F_OSC
A_OSC
4.5V ≤ V_S ≤ 5.5V
−40˚C ≤ T_A ≤ 85˚C
LLP Package
3˚C/W
42˚C/W
30.8˚C/W
1.5 mA (Max)
1.0 mA (Max)
1000 Ω (Min)
1000 Ω (Min)
100-600 MHz
10-100 mA_PP
+5V DC Electrical Characteristics (Note 8)
Unless otherwise specified, all limits guaranteed for T_J = 25˚C, R_L = 10Ω. Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 7) (Note 6) (Note 7)
LVDS
V_I
V_IDTH
Input Voltage Range
Input Diff. Threshold
|V_GPD| < 50 mV
(Note 9),
|V_GPD| < 50 mV
(Note 9),
0
1.7
2.4
V
–100
0
100
mV
V_HYST
R_IN
I_IN
Input Diff. Hysteresis
Input Diff. Impedance
Input Current
Current Channels
V_IDTHH – V_IDTHL
Excluding R_IN Current
V_CM = 1.25V
25
0
mV
95
115
135
Ω
8
20
µA
R_IN
Input Resistance all Channels
R_IN to Ground
475
580
675
Ω
I_OS2
Current Offset Channel 2
Channel R,3,4 Off
2.1
16
mA
I_IN = 0, EN = High
I_OS,R,3,4 Current Offset Channel R,3,4
All Channels Off
I_IN = 0, EN = High
1.2
9
mA
A_IW
Current Gain
Channel 2
345
386
430
A/A
A_IR
Current Gain
Channel Read
135
159
180
A/A
A_I,3,4
Current Gain
I_LIN-R,2,3,4 Output Current Linearity
Channel 3 and 4
160
182
200
A/A
200 µA < I_IN < 1000 µA; R_LOAD =
5Ω Channels Read, 2,3 and 4
1.7
3
%
IOUT_W
IOUT_R
Output Current
Output Current
Channel 2 @ 1 mA input current
285
300
mA
Channel Read
140
162
mA
@ 1 mA input current
IOUT_3,4 Output Current
Channel 3 and 4
@ 1 mA input current
160
183
mA
IOUT_TOTAL Total Output Current
V_TLO
TTL Low Voltage
All Channels (Note 12)
Input (H to L)
ENR
600
mA
1.29
0.8
V
ENOSC (LMH6526)
V_TLO
TTL Low Voltage
Input (H to L)
B-Select (LMH6525)
1.40
0.8
V
A-Select (LMH6526)
V_ELO
Enable Low Voltage
Enable Input (H to L)
1.98
0.8
V
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