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參數資料
| 型號： | DS2480B+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/32頁 |
| 文件大小： | 0K |
| 描述： | IC LINE DRVR W/SENSOR 1-W 8-SOIC |
| 產品培訓模塊： | 1-Wire Communications Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 100 |
| 類型： | 線路驅動器，發射器 |
| 驅動器/接收器數： | 1/0 |
| 規程： | RS232 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOIC |
| 包裝： | 管件 |
| 產品目錄頁面： | 1429 (CN2011-ZH PDF) |
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Maxim Integrated 1
FEATURES
Universal, Common-Ground Serial Port to |
1-Wire Line Driver
Works with All iButton and 1-Wire Slave
Devices
Communicates at Standard and Overdrive
1-Wire speed and Serial Port Data Rates of
9600 (default), 19200, 57600, and 115200 bps
Supports 12V EPROM Programming and
Stiff 5V Pullup for Sensors and EEPROM
Self-Calibrating Time Base with ±5%
Tolerance for Serial and 1-Wire
Communication
Slew Rate Controlled 1-Wire Pulldown and
Active Pullup to Accommodate Long Lines
and Reduce Radiation
User-Selectable RXD/TXD Polarity
Minimizes Component Count When
Interfacing to 5V Based RS232 Systems or
Directly to UARTs
Programmable 1-Wire Timing and Driver
Characteristics Accommodate a Wide Range
of Slave Device Configurations at Standard
Speed
Smart Protocol Combines Data and Control
Information Without Requiring Extra Pins
Compatible with Optical, IR, and RF to
RS232 Converters
Low-Cost 8-Pin SO Surface-Mount Package
Operates Over 4.5V to 5.5V from -40°C to
+85°C
PIN ASSIGNMENT
PIN DESCRIPTION
GND
- Ground
1-W
- 1-Wire Input/Output
NC
- No Connection
VDD
- 4.5V to 5.5V
VPP
- Optional EPROM
Programming Voltage
POL
- RXD/TXD Polarity Select
TXD
- Serial Data from UART
RXD
- Serial Data to UART
ORDERING INFORMATION
PART
TEMP
RANGE
PIN-
PACKAGE
DS2480B+
-40°C to +85°C 8 SO
DS2480B+T&R -40°C to +85°C 8 SO
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
DESCRIPTION
The DS2480B is a serial port to 1-Wire interface chip that supports standard and overdrive speeds. It con-
nects directly to UARTs and 5V RS232 systems. Interfacing to RS232C (±12V levels) requires a passive
clamping circuit and one 5V to ±12V level translator. Internal timers relieve the host of the burden of
generating the time-critical 1-Wire communication waveforms. In contrast to the DS9097(E) where a full
character must be sent by the host for each 1-Wire time slot, the DS2480B can translate each character
into eight 1-Wire time slots, thereby increasing the data throughput significantly. In addition, the
DS2480B can be set to communicate at four different data rates, including 115.2kbps, 57.6kbps, and
19.2kbps, with 9.6kbps being the power-on default. Command codes received from the host’s crystal
controlled UART serve as a reference to continuously calibrate the on-chip timing generator. The
DS2480B
Serial to 1-Wire Line
Driver
1
2
3
4
8
7
6
5
GND
1-W
NC
VDD
RXD
TXD
POL
VPP
8-Pin SO (150 mil)
19-5047; 5/10
1-Wire and iButton are registered trademarks of
Maxim Integrated Products, Inc.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS2480B | 制造商:Maxim Integrated Products 功能描述:IC SERIAL LINE DRIVER 2480 SOIC8 |
| DS2480B/T&R | 功能描述:緩沖器和線路驅動器 RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| DS2480B+ | 功能描述:緩沖器和線路驅動器 Serial - 1-Wire Line Driver RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| DS2480B+R | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Serial to 1-Wire Line Driver |
| DS2480B+T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Serial to 1-Wire Line Driver |
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