ltc5100 Linear Technology Corporation, ltc5100 Datasheet - Page 12

• Manufacturer Part Number: ltc5100
• Description: 3.3v, 3.2gbps Vcsel Driver
• Manufacturer: Linear Technology Corporation

LTC5100
BLOCK DIAGRA
12
V
DD(HS)
SDA
V
SCL
V
V
IN+
IN–
DD
EN
SS
SS
16
15
6
7
8
1
2
3
4
SENSOR
TEMP
V
DD(HS)
UNDERVOLTAGE
V
DETECTION
TERM(MON)
I
MD(MON)
I
I
M(MON)
S(MON)
V
LD
100 A
50
W
sel
CML_en
Under_voltage
20pF
50
100 A
10-BIT ADC
SERIAL DIGITAL
LASER POWER
CONTROLLER
INTERFACE
REGISTER
SET
Figure 2. Block Diagram
Mem_load_errorr
V
DATA BUS
Over_current
SS
Under_pwr
En_polarity
Under_pwr
(EXPOSED PAD)
Over_pwr
Over_pwr
17
PEAKING DAC
Ib LIMIT DAC
10 BITS
10 BITS
I
5 BITS
I
7 BITS
M
S
DAC
DAC
TRANSMIT AND
COMPARATORS
CONTROLLER
POWER LIMIT
FAULT
I
I
I
M(MON)
S(MON)
MD(MON)
–
+
Fault
Transmit_en
LOGARITHMIC
Transmit_en
V
AMPLIFIER
TERM(MON)
–
–
+
Im_rng Is_rng
Transmit_en
Is_rng
V
DD
Im_rng
+
–
Flt_pin_polarity
Over_current
Md_polarity
Is_rng
ATTENUATOR
I
+
–
M
CURRENT
I
M(MON)
FAULT PIN
Flt_drv_mode
DRIVER
Imd_rng
V
LD
I
I
S
S(MON)
sn5100 5100fs
13
14
12
11
10
5
9
5100 F02
FAULT
MD
SRC
V
MODA
MODB
V
SS
SS