DS1864T+ Maxim Integrated Products, DS1864T+ Datasheet - Page 13

IC LASER CTRLR 1CHAN 5.5V 28TQFN

DS1864T+

Manufacturer Part Number
DS1864T+
Description
IC LASER CTRLR 1CHAN 5.5V 28TQFN
Manufacturer
Maxim Integrated Products
Type
Laser Diode Controller (Fiber Optic)r
Datasheet

Specifications of DS1864T+

Number Of Channels
1
Voltage - Supply
2.97 V ~ 5.5 V
Current - Supply
3mA
Operating Temperature
-40°C ~ 95°C
Package / Case
28-WFQFN Exposed Pad
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
PIN NAME
RSELOUT
MON3N
MON1N
MON3P
MON1P
RX-LOS
INTX-F
INLOS
MON2
DAC1
DAC0
OUT1
FETG
RSEL
GND
TX-D
GND
GND
TX-F
SDA
N.C.
N.C.
N.C.
N.C.
SCL
V
V
IN1
CC
CC
Open-Drain Rate-Select Output
I
I
TX-F Input from External Device
Loss of Signal Input from External Device
Digital Input
No Connection
No Connection
Ground. All GND pins must be connected.
Transmit Disable Input. Places DAC0 and DAC1 in high-impedance state.
Rate Select Logic Input
Voltage Monitor Input, Low Side. Used typically for RSSI.
Voltage Monitor Input, High Side. Used typically for RSSI.
Voltage Monitor Input. Used typically for Transmit Power (TXP).
No Connection
Voltage Monitor Input, Low Side. Used typically for Bias Sense Current (IBIAS).
Voltage Monitor Input, High Side. Used typically for Bias Sense Current (IBIAS).
Lookup Table-Controlled Current Sink
Ground. All GND pins must be connected.
Lookup Table-Controlled Current Sink
Power Supply. All V
No Connection
Ground. All GND pins must be connected.
Logic Output Driving External FET
Open-Drain Fault Output
Open-Drain Loss of Signal Output
Open-Drain Digital Output
Power Supply. All V
2
2
C Serial Data Input/Output
C Serial Clock Input
____________________________________________________________________
CC
CC
pins must be connected.
pins must be connected.
SFP Laser Controller and
DESCRIPTION
Diagnostic IC
Pin Description
13

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