參數(shù)資料
型號(hào): X9530
廠商: Intersil Corporation
英文描述: Temperature Compensated Laser Diode Controller(帶溫度補(bǔ)償?shù)募す舛O管控制器)
中文描述: 溫度補(bǔ)償激光二極管控制器(帶溫度補(bǔ)償?shù)募す舛O管控制器)
文件頁(yè)數(shù): 2/28頁(yè)
文件大?。?/td> 372K
代理商: X9530
2
FN8211.1
November 11, 2005
DEVICE DESCRIPTION
The X9530 combines two Programmable Current
Generators, and integrated EEPROM with Block
Lock
protection,
in
Programmable Current Generators are ideal for use in
fiber optic Modulation Current require temperature
control. The combination of the X9530 functionality
and Intersil’s Chip-Scale package lowers system cost,
increases reliability, and reduces board space
requirements.
one
package.
The
Two on-chip Programmable Current Generators may
be independently programmed to either sink or source
current.
The
maximum
determined by using an externally connected
programming resistor, or by selecting one of three
current
generated
is
predefined values. Both current generators have a
maximum output of ±1.6 mA, and may be controlled to
an absolute resolution of 0.39% (256 steps / 8 bit).
Both current generators may be driven using an on-
board temperature sensor, an external sensor, or
Control Registers. The internal temperature sensor
operates over a very broad temperature range (-40
°
C
to +100
°
C). The sensor output (internal or external)
drives a 6-bit A/D converter, whose output selects one
of 64 bytes from each nonvolatile look-up table (LUT).
The contents of the selected LUT row (8-bit wide)
drives the input of an 8-bit D/A converter, which
generates the output current.
All control and setup parameters of the X9530,
including the look-up tables, are programmable via the
2-wire serial port.
TYPICAL APPLICATION
Laser
Diode
Driver
Circuit
X9530
High Speed
Data Input
MOD_DEF
(0)
I
MODSET
I
LD
I
MON
MPD
LD
V
CC
GBIC / SFP / XFP Module
I
PINSET
/I
BIASSET
I
1
I
2
SDA
SCK
MOD_DEF
(1)
BLOCK DIAGRAM
SDA
SCL
WP
2-Wire
Interface
I2
VRef
R2
VSense
A2, A1, A0
DAC 2
ADC
Look-up
Table 1
Look-up
Table 2
Control
& Status
General
Purpose
Memory
Mux
Mux
I1
R1
DAC 1
Mux
Mux
Temperature
Sensor
Voltage
Reference
X9530
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