ltc5100 Linear Technology Corporation, ltc5100 Datasheet - Page 13

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

FU CTIO AL DIAGRA S
V
DD(HS)
U
SDA
V
SCL 7
V
V
EN
IN
IN
DD
SS
SS
+
–
16
15
6
8
1
2
3
4
Ext temp en
SENSOR
T int adc
TEMP
T ext
U
100
Peaking
ADC
Imd nom
Im nom
Imd tc1
Imd tc2
Im tc1
Im tc2
Figure 3. Functional Diagram—Automatic Power Control Mode
–
+
T nom
W
COMP
COMP
TEMP
TEMP
DAC
–
+
Im set
Imd set
+
+
–
V
–
SS
Imd error
Im error
(EXPOSED PAD)
Imd adc
17
Apc gain
Im gain
GAIN CTRL
MINIMUM
ADC
USER_ADC. Data
Im adc
Im dac
USER_ADC. Data
USER_ADC. Data
ADC
Is dac
LOG AMP
ADC
DAC
+
–
Im rng
Imd rng Md polarity
DAC
+
–
ATTENUATOR
ADC
ADC
CURRENT
Is rng
+
–
I
LTC5100
M
V
DD
+
–
V
V
I
MD
I
TERM
LD
S
I
S
sn5100 5100fs
13
14
12
11
10
13
5
9
5100 F03
FAULT
MD
SRC
V
MODA
MODB
V
SS
SS