參數(shù)資料
型號: MAX3905
廠商: Maxim Integrated Products, Inc.
英文描述: 150Mbps Automotive VCSEL Driver
中文描述: 150Mbps汽車VCSEL驅(qū)動器
文件頁數(shù): 6/13頁
文件大?。?/td> 1168K
代理商: MAX3905
M
150Mbps Automotive VCSEL Driver
6
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Pad Description
PAD
1, 20, 26
NAME
V
EE
FUNCTION
Circuit Ground
2
DIFF
Differential-Input Data Enable. Leave open to enable the TTL data input, or connect to ground to enable
the differential data input.
3
IN_TTL
Single-Ended Data Input, TTL. Compatible with SP1 automotive network interface. This input is active
when DIFF is left open.
4, 5, 6
N.C.
No Connection
7
IN+
Positive Differential-Data Input, PECL- or LVDS-Compatible. This high-impedance input is internally
biased to approximately 1.4V and requires an external termination resistor and an AC-coupling
capacitor. It is active when DIFF is connected to ground.
8
TEMPSENS
Junction Temperature Sensor. Analog output corresponding to the junction temperature of the die.
Leave open for normal use.
9
IN-
Negative Differential-Data Input, PECL- or LVDS-Compatible. This high-impedance input is internally
biased to approximately 1.4V and requires an external termination resistor and an AC-coupling
capacitor. It is active when DIFF is connected to ground.
10, 15
V
CC
Power Supply
11
DT01
Driver T
0
Programming Input. Sets the center temperature of lowest bias current. Connect to V
CC
or
leave open.
12
DT02
Driver T
0
Programming Input. Sets the center temperature of lowest bias current. Connect to V
CC
or
leave open.
13
14
16
17
18
MOD2
MOD1
OUT
OUT
SQEN
M od ul ati on- C ur ent P og am m ng Inp ut. S ets the m od ul ati on- cur ent am p ud e. C onnect to V
C C
or l eave op en.
M od ul ati on- C ur ent P og am m ng Inp ut. S ets the m od ul ati on- cur ent am p ud e. C onnect to V
C C
or l eave op en.
Complementary Data Output. Connect to V
CC
or VCSEL anode.
Data Output. Connect to VCSEL cathode.
Squelch Enable Input. Leave open to enable squelch or connect to ground to disable squelch.
19
3DB
P ow er Red ucti on Inp ut. C om p ati b e w h TTL. W hen l ow 3D B acti vates a test m od e, w hi ch r ed uces outp ut
p ow er b y 50%. W hen 3D B i s hi g h, the m od ul ati on outp ut i s nor m al S ee the
D etai ed D escr p i on
secti on.
21
TC1
Low-Current Temperature-Coefficient Programming Input. Sets the temperature coefficient of the bias
current. Connect to GND or leave open. Do not connect to V
CC
.
22
TC2
Low-Current Temperature-Coefficient Programming Input. Sets the temperature coefficient of the bias
current. Connect to GND or leave open. Do not connect to V
CC
.
23
TC3
Low-Current Temperature-Coefficient Programming Input. Sets the temperature coefficient of the bias
current. Connect to GND or leave open. Do not connect to V
CC
.
24
LOW1
Low-Current Programming Input. Sets the VCSEL-low (bias) current at the temperature set by the
DT0 pins. Connect to GND or leave open. Do not connect to V
CC
.
25
LOW2
Low-Current Programming Input. Sets the VCSEL-low (bias) current at the temperature set by the
DT0 pins. Connect to GND or leave open. Do not connect to V
CC
.
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