Datasheet

Laser Driver for Projectors
MAX3600
4
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 3.3V Q5%, T
A
= 0NC to +70NC, T
J
P +125NC, EN_MAIN high, V
C_
R 0.9V, unless otherwise noted.) (Note 1, Equation 1)
Note 1: Parameters in parentheses ( ) are provided for guidance, but are not tested or guaranteed.
Note 2: Figure 1 shows the AC test circuit. Settling time is defined from the 50% point of a transition to the greater of Q5% of
I
FINAL
or Q1% of I
SWITCH
. Control register gs_ ≥ 34. See Figure 18.
Note 3: I
DAC
≈ G0 + I
DAC_G1
x VD + I
OUT
/I
DAC_G2
, where VD is the average video bit density (Dbits/ns) as shown in Table 1.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
PO GENERATOR
Pixel Clock Range for PO Operating condition 24 (102) MHz
Minimum PO Pulse Width Four subpixels 3.5 ns
PLL Bandwidth (560) 800 (1040) kHz
PRBS OSCILLATOR
PRBS Oscillator Frequency f
PRBS1
f
PIXEL
= 24MHz to 102MHz (100) (150) MHz
SERIAL PORT: SDA, SCL, CS (Figure 14)
Maximum Clock Frequency f
SCL
Write mode (25) MHz
Input Edge Time 20% to 80% 5 ns
CS Leading Time
t
L
(4) ns
SCL Pulse-Width High t
CH
20 ns
SCL Pulse-Width Low t
CL
20 ns
SCL to SDA Propagation Delay t
D
(10) ns
Data In Setup Time t
DS
(10) ns
Data In Hold Time t
DH
(10) ns
CS Trailing Time
t
T
(10) ns
POWER SUPPLY: V
CCA
, V
CCD
Supply Current
(I
VCCA
+ I
VCCD
, gs_ = 80h,
os_ = 80h, f
CLK
= 75MHz)
I
VCC1
VIDEO_ = 1F0h, CLK_SEL = 0,
output disabled
62 80
mA
I
VCC2
CLK_SEL = 1, VIDEO_: 0 n 3FFh
repeating
65 90
I
VCC2_ENLO
Output disabled 60 (70)
POWER-ON RESET (Figure 15)
V
CC
for Chip Enabled V
POR1+
2.9 V
Power-On Reset Parameters
V
POR2+
Voltage for output on
V
CC
-
0.8
VV
POR2-
Voltage for output off
V
CC
-
0.9
V
POR3+
Voltage for output on 3.3
V
POR3-
Voltage for output off 3.2
IC Power-Up Time 200
Fs