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参数资料
| 型号： | DS2450S+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/25页 |
| 文件大小： | 0K |
| 描述： | IC CONVERTER A/D QUAD 1-W 8-SOIC |
| 产品培训模块： | 1-Wire Communications Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 产品变化通告： | Product Discontinuation 27/Jul/12 |
| 标准包装： | 88 |
| 位数： | 16 |
| 采样率（每秒）： | 1k |
| 数据接口： | 串行 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 2.5mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.209"，5.30mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 输入数目和类型： | 4 个单端，单极 |
| 产品目录页面： | 1429 (CN2011-ZH PDF) |
AVAILABLE
Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
112706
FEATURES
Four high-impedance inputs to measure
analog voltages over the 1-Wire bus
User programmable input range (2.56V,
5.12V), resolution (1 to 16 bits) and alarm
thresholds
5V, single supply operation
Very low power: 2.5 mW active, 25 μW idle
Built-in multidrop controller allows multiple
DS2450’s to be identified and operated on a
common 1-Wire bus
Responds to Conditional Search if the analog
voltage crosses the alarm thresholds
Channels not used as analog input can serve
as open drain digital outputs for closed-loop
control
Directly connects to a single port pin of a
microprocessor and communicates at up to
16.3k bits per second
Overdrive mode boosts communication speed
to 142k bits per second
On-chip
16-bit
CRC-generator
for
safeguarding data transfers
Unique, factory-lasered and tested 64-bit
registration number (8-bit family code + 48-
bit serial number 8-bit CRC tester) assures
absolute traceability because no two parts are
alike
8-bit
family
code
specifies
device
communication requirements to bus master
Operating temperature range from -40°C to
+85°C
Compact, low cost 8-pin SOIC surface mount
package
PIN ASSIGNMENT
PIN DESCRIPTION
VCC
4.5 to 5.5V
NC
Do Not Connect
DATA
1-Wire Bus
GND
Ground
AIN-A
Analog Input A
AIN-B
Analog Input B
AIN-C
Analog Input C
AIN-D
Analog Input D
ORDERING INFORMATION
DS2450S
8-pin SOIC
DS2450S/T&R
8-pin SOIC Tape-and-Reel
DS2450S+
8-pin SOIC
DS2450S+T&R
8-pin SOIC Tape-and-Reel
+ Indicates lead-free compliance.
1-Wire is a registered trademark of Dallas Semiconductor.
DESCRIPTION
The DS2450 1-Wire Quad A/D Converter is based on a successive-approximation analog to digital
converter with a four to one analog multiplexer. Each input channel has its own register set to store the
input voltage range, resolution, and alarm threshold values as well as flags to enable participation of the
device in the conditional search if the input voltage leaves the specified range. Two alarm flags for each
channel indicate if the voltage measured was too high or too low without requiring the bus master to do
DS2450
1-Wire Quad A/D Converter
VCC
NC
DATA
GND
AIN-A
AIN-B
AIN-C
AIN-D
2
3
4
8
7
6
5
1
8-PIN SOIC (208 MIL)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2450S/T&R | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| DS2450S+ | 功能描述:模数转换器 - ADC Quad 1-Wire RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| DS2450S+ | 制造商:Maxim Integrated Products 功能描述:SEMICONDUCTOR ((NW)) |
| DS2450S+T&R | 制造商:Maxim Integrated Products 功能描述:IC CONVERTER A/D QUAD 1-W 8-SOIC |
| DS2450S+T&R | 功能描述:模数转换器 - ADC Quad 1-Wire RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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