参数资料
型号: DS1875T+
厂商: Maxim Integrated Products
文件页数: 6/92页
文件大小: 0K
描述: IC SFP CTRLR/TRIPLEXER 38-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 90
应用: 光纤
接口: I²C
电源电压: 2.85 V ~ 3.9 V
封装/外壳: 38-WFQFN 裸露焊盘
供应商设备封装: 38-TQFN(5x7)
包装: 管件
安装类型: 表面贴装
产品目录页面: 1431 (CN2011-ZH PDF)
DS1875
PON Triplexer and SFP Controller
14
______________________________________________________________________________________
Block Diagram
HBIAS
QUICK-TRIP LIMIT
HTXP
QUICK-TRIP LIMIT
LTXP
QUICK-TRIP LIMIT
APC SET POINT FROM
TRACKING-ERROR TABLE
LATCH
ENABLE
VCC
MON[5:8]
TEMP
SENSOR
I2C
INTERFACE
SAMPLE
CONTROL
8-BIT
DAC WITH
SCALING
DIGITAL
APC
INTEGRATOR
8-BIT
PWM-DAC
13-BIT
DAC
ANALOG
MUX
MOD LUT
TX-D INPUT
8-BIT
DAC WITH
SCALING
PWM
BIAS MAX
QUICK TRIP
TABLE 08h
BIAS OL LUT
TEMP INDEXED
TABLE 07h
PWM VOLTAGE
LUT CAN BE INDEXED BY
TEMP SENSOR
INTERRUPT
MASK
INTERRUPT
LATCH
INTERRUPT
MASK
INTERRUPT
LATCH
POWER-ON ANALOG
VCC > VPOA
NONMASKABLE
INTERRUPT
13-BIT
ADC
DS1875 MEMORY ORGANIZATION
SRAM RESET
DIGITAL LIMIT
COMPARATOR FOR
ADC RESULTS
MUX
TX-D
MON5
MUX
BMD
BEN
MON3N
MON3P
MON2
MON1
MON4
SCL
SDA
TTL
LOSI
0
1
TTL
MON5/D0
LOS STATUS/
D0 IN
D0 OUT
TTL
0
1
MUX0
TTL
MON6/D1
D1 IN
D1 OUT
TTL
MON7/D2
D2 IN
D2 OUT
MUX2
INV M3QT
M3QT
TTL
MON8/D3
D3 IN
D3 OUT
GND
INV0
DAC1
8-BIT, 2.5V
FULL SCALE
I2C CONTROL
DAC1
FETG
BIAS
MOD
M4DAC
8-BIT, 2.5V
FULL SCALE
TABLE 06h
M4DAC LUT INDEXED BY MON4
M4DAC
I2C CONTROL
VCC
EEPROM
256 BYTES AT
A0h SLAVE
ADDRESS
TX-F
TABLE 02h (EEPROM)
CONFIGURATION AND CALIBRATION
TABLE 06h (EEPROM)
M4DAC LUT
TABLE 03h (EEPROM)
USER MEMORY
TABLE 07h (EEPROM)
PWM LUT
TABLE 04h (EEPROM)
MODULATION LUT
TABLE 08h (EEPROM)
BIAS OL LUT
MAIN MEMORY
EEPROM/SRAM
ADC CONFIGURATION/RESULTS
SYSTEM STATUS BITS
ALARM/WARNING COMPARISONS
TABLE 00h (EEPROM)
ADDITIONAL MONITORS
TABLE 01h (EEPROM)
USER MEMORY, ALARM TRAP
TABLE 05h (EEPROM)
ADC TE LUT
SW
COMP
FB
MON6
MON7
MON8
DS1875
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DS1875T+T&R 功能描述:ADC / DAC多通道 PON Triplexer & SFP Controller RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
DS1875T+TR 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:PON Triplexer and SFP Controller
DS1876 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:SFP Controller with Dual LDD Interface