参数资料
型号: DS1875T+
厂商: Maxim Integrated Products
文件页数: 4/92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
12
______________________________________________________________________________________
PWM DAC DNL
DS1875
toc19
DAC SETTING (DEC)
DAC
DNL
(LSB)
224
192
32
64
96
128 160
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
0
256
PWM DAC INL
DS1875
toc20
DAC SETTING (DEC)
DAC
INL
(LSB)
224
192
32
64
96
128 160
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
0
256
M3QT DAC DNL
DS1875
toc21
DAC SETTING (DEC)
DAC
DNL
(LSB)
224
192
32
64
96
128 160
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
0
256
M3QT DAC INL
DS1875
toc22
DAC SETTING (dec)
DAC
INL
(LSB)
224
192
32
64
96
128 160
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
0
256
SW CURRENT INTO BSS123 FET
FREQUENCY = 1050kHz 50% DUTY CYCLE
DS1875 toc23
100ns/div
0V
1V/div
0mA
10mA/div
SW
CURRENT
SW
PWM DAC CHANGING FROM 00h TO 80h
RCOMP = 24.3k
Ω, CCOMP = 220nF
DS1875 toc24
5ms/div
0V
20V/div
0V
10%/div
0%
200mV/div
VOUT
COMP
DUTY CYCLE
FB
SWITCHING WAVEFORMS
VIN = 3.3V, VOUT ~ 90V, IOUT ~ 1.25mA,
C2 = 0.1
μF
DS1875 toc25
2
μs/div
0V
5V/div
0V
0mA
50V/div
100mV/div
100mA/div
SW
INDUCTOR
VOLTAGE
INDUCTOR
CURRENT
VOUT RIPPLE (AC-COUPLED)
Typical Operating Characteristics (continued)
(VCC = +2.85V to +3.9V, TA = +25°C, unless otherwise noted.)
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DS1875T+ 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+T&R 制造商:Maxim Integrated Products 功能描述:PON TRIPLEXER 38TQFN EP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC SFP CTRLR/TRIPLEXER 38-TQFN 制造商:Maxim Integrated Products 功能描述:ADC / DAC Multichannel PON Triplexer & SFP Controller
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