ISL58327 Datasheet, PDF (2/15 Pages) Intersil Corporation – Wide Optical Spectrum Laser Power Monitor IC

Block Diagram
ISL58327
HL
1
BLUE GAIN HI (12bits)
Reg 0x12[7:0] +Reg 0x11[7:4]
BLUE GAIN LO (12bits)
0
Reg 0x13[7:0] +Reg 0x11[3:0]
h/l
7
6
5
4
select
3
2
7
1
0
chip_en
6
5
4
3
7
2
6
1
5
0
4
3
tia_h ¹
2
1
tia_l
0
0
2
TIA GAIN
CONTROL
7
7
6
6
5
5
4
4
3
3
2
2
1
1
0
0
7
7
7
LATCH
SLOW TAIL
CONTROL
1
RED GAIN HI (12bits)
Reg 0x15[7:0] +Reg 0x14[7:4]
RED GAIN LO (12bits)
0
Reg 0x16[7:0] +Reg 0x14[3:0]
1
GREEN GAIN HI (12bits)
Reg 0x18[7:0] +Reg 0x17[7:4]
GREEN GAIN LO (12bits)
0
Reg 0x19[7:0] +Reg 0x17[3:0]
0x10-5
1
0
0
0x10-4
x
1
0
select
BLU
RED
GRN
12 12 12
LATCH
GAIN
CONTROL
+
-
-
SLOW TAIL
+
IV AMP
-
+
+5.0V
VDD
0.1µF
GND
OUTP
OUTN
GND
SDA
SCL
SERIAL
INTERFACE
POWER &
CONTROL
A0
REFERENCE
+
VREF
-
0.1µF
10k
GND
2
FN6577.2
July 29, 2013