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參數(shù)資料
| 型號： | DS1870E-010 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | LDMOS RF Power-Amplifier Bias Controller |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | 0.173 INCH, TSSOP-16 |
| 文件頁數(shù)： | 1/28頁 |
| 文件大?。?/td> | 829K |
| 代理商： | DS1870E-010 |
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General Description
The DS1870 is a dual-channel bias controller targeted
toward class AB LDMOS RF power-amplifier applica-
tions. It uses lookup tables (LUTs) to control 256-posi-
tion potentiometers based on the amplifier’s
temperature and drain voltage or current (or other
external monitored signal). With its internal temperature
sensor and multichannel A/D converter (ADC), the
DS1870 provides a cost-effective solution that improves
the amplifier’s efficiency by using nonlinear compensa-
tion schemes that are not possible with conventional
biasing solutions.
Applications
Cellular Base Stations
Medical Equipment
Industrial Controls
Optical Transceivers
Features
Two-Channel Solution for Programmable RF Bias
Control
The Potentiometer’s Position is Automatically
Updated to Compensate for the Ambient
Temperature and the Drain Voltage or Current
A Five-Channel, 13-Bit ADC Continuously
Monitors the Ambient Temperature, V
CC
, V
D
, I
D1,
and I
D2
Hi/Lo Alarms for Each ADC Channel can Trigger a
Fault Output
Nonvolatile Memory for the Device Settings,
Lookup Tables, and 32-Bytes of User Memory
I
2
C-Compatible Serial Interface with Up to Eight
Devices on the Same Serial Bus
Single 5V Power Supply
Small 16-Pin TSSOP Package
-40°C to +95°C Operational Temperature Range
Ordering Information
D
LDMOS RF Power-Amplifier Bias
Controller
______________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
TSSOP (173 mil)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
L
1
TOP VIEW
W
1
W
2
L
2
I
D1
I
D2
V
D
GND
FAULT
A
0
A
1
A
2
SCL
SDA
H
COM
V
CC
DS1870
Pin Configuration
Rev 1; 5/04
PART
TEMP RANGE
PIN-PACKAGE
DS1870E-010
-40°C to +95°C
16 TSSOP
(173 mil)
Typical Operating Circuit appears at end of data sheet.
I
2
C is a trademark of Philips Corp. Purchase of I
2
C compo-
nents of Maxim Integrated Products, Inc., or one of its subli-
censed Associated Companies, conveys a license under the
Philips I
2
C Patent Rights to use these components in an I
2
C
system, provided that the system conforms to the I
2
C Standard
Specification as defined by Philips.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1870E-010+ | 功能描述:特殊用途放大器 LDMOS RF Power-Amp Bias Controller RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
| DS1870E-010+T&R | 制造商:Maxim Integrated Products 功能描述:LDMOS RF PWR-AMP BIAS CNTRLR 16TSSOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC RF PWR CNTRL PA 16TSSOP |
| DS1870E-010+T&R | 功能描述:特殊用途放大器 LDMOS RF Power-Amp Bias Controller RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
| DS1870K | 制造商:Maxim Integrated Products 功能描述:DS1870 EVALUATION KIT - Bulk |
| DS1873 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:SFP+ Controller with Analog LDD Interface |
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