ISL58792 Datasheet, PDF (10/16 Pages) Intersil Corporation – Laser Diode Driver with Serial Control and Write Current DAC

ISL58792
Laser Driver AC Performance Demo board test, 10% duty cycle pulse, load = equivalent circuitry to [laser + flex cable] and/or as noted.
V_SO = 5V. T_A = +25°C
PARAMETER
DESCRIPTION
CONDITIONS
MIN TYP MAX UNIT
t_R-IOUTx
t_F-IOUTx
O/S_-IOUTx
t_D-IOUTx
t_R-BLUE
t_F-BLUE
O/S_-BLUE
t_D-BLUE
I_NOISE-I_OUTx
I_NOISE-I_OUTx
I_NOISE-BLUE
I_NOISE-BLUE
BW_APC
I_OUT1/2 Write Rise Time (10% to 90%)
I_OUT1/2 Write Fall Time (10% to 90%)
I_OUT1/2 Write Pulse Overshoot
I_OUT1/2 Write Pulse Delay From LVDS = Zero
crossing to I_OUT rise 10%
I_BLUE Write Rise Time (10% to 90%)
I_BLUE Write Fall Time (10% to 90%)
I_BLUE Write Pulse Overshoot
I_BLUE Write Pulse Delay From LVDS = Zero
crossing to I_OUT rise 10%
I_OUT1/2 Read Output Current Noise
I_OUT1/2 Read and HFM Output Current Noise
I_BLUE Read Output Current Noise
I_BLUE Read and HFM Output Current Noise
Read Amplifier 3dB Bandwidth
300mW Optical ML229U7
300mW Optical ML229U7
300mW Optical ML229U7
300mW Optical
300mW Optical
300mW Rising Optical
I_OUT = 50mA, measured @ 10MHz
I_OUT = 50mA+30mA_P-P; measured @ 10MHz
I_OUT = 50mA, measured @ 10MHz
I_OUT = 50mA+10mA_P-P; measured @ 10MHz
I_OUT = 50mA
1.3
800
11
5.3
650
450
12
5.2
0.55
0.96
0.37
0.47
0.5
ns
ps
%
ns
ps
ps
%
ns
nA/Hz
nA/Hz
nA/Hz
nA/Hz
MHz
TABLE 1. AMPLITUDE SELECTION REGISTER ACTIVATION
NAME
CR0
MSB
LSB
MSB
ENA
WEB
Bit 2
WEN2 WEN1 WEN0
BSEL = 0
BSEL = 0
BSEL = 1
OFF
0
X
x
X
X
X
X
X
X
READ
1
1
0
X
X
X
0-19
1-09
0-19
W0
1
0
1
0
0
0
0-10
2-10
0-11
W1
1
0
1
0
0
1
0-04
2-04
0-05
W2
1
0
1
0
1
0
0-06
2-06
0-07
W3
1
0
1
0
1
1
0-08
2-08
0-09
W4
1
0
1
1
0
0
0-0A
2-0A
0-0B
W5
1
0
1
1
0
1
0-0C
2-0C
0-0D
W6
1
0
1
1
1
0
0-0E
2-0E
0-0F
W7
1
0
1
1
1
1
0-12
2-12
0-13
NOTES:
21. There are two sets of write current registers. When BSEL = 1, bank 1 is selected. When BSEL = 0, bank 0 is selected.
22. Read and write are independent. Read is enabled with a control bit.
23. Register terminology is page Number-Register number (hex). Thus 1-09 is page 1, register 09h.
LSB
BSEL = 1
X
1-09
2-11
2-05
2-07
2-09
2-0B
2-0D
2-0F
2-13
Submit Document Feedback ₁₀
FN7580.3
December 14, 2015