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FEATURES
Two temperature-controlled 8-bit Digital-to-
Analog Converters (DACs)
DAC settings changeable every 4°C
Access to temperature data and device
control through a 2-wire interface
Operates with +3.3V or +5V supplies
Packaging: 8-pin TSSOP
Operating temperature: -40C to +95C
Programming temperature: 0C to +70C
ORDERING INFORMATION
DS1851E-010
8-pin 173mil TSSOP
DS1851E-010+
8-pin 173mil TSSOP
DS1851E-010+T&R 8-pin 173mil TSSOP
+Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
PIN ASSIGNMENTS
PIN DESCRIPTIONS
VCC
- +3.3V or +5V Power Supply
Input
GND
- Ground
SDA
- 2-Wire Serial Data
Input/Output
SCL
- 2-Wire Serial Clock Input
OutG
- DAC Output with Respect to
Ground
Vrg
- Reference Input from Ground
OutV
- DAC Output with Respect to
VCC
Vrc
- Reference Input from VCC
DESCRIPTION
The DS1851 dual temperature-controlled nonvolatile (NV) DACs consists of two DACs, two EEPROM
look-up tables, and a direct-to-digital temperature sensor. Both of the DACs can be programmed with any
temperature coefficient, which means that any system temperature effects can be corrected without any
additional external devices. The DS1851 provides an ideal method for setting and temperature-
compensating bias voltages and currents in control applications using a minimal amount of external
circuitry.
The user-defined settings for both DACs are stored in two EEPROM look-up tables and can be accessed
over the industry-standard 2-wire serial bus, which consists of SDA and SCL pins. These look-up tables
can assign a unique output value to each DAC for every 4°C increment over the -40°C to +95°C range.
The output of the digital temperature sensor is also available as a 12-bit, two’s complement value over the
serial bus.
www.maxim-ic.com
DS1851
Dual Temperature-Controlled NV
Digital-to-Analog Converters
SDA
1
8
VCC
SCL
2
7
Vrc
Vrg
3
6
OutV
GND
4
5
OutG
8-Pin TSSOP (173mil)
19-5733; Rev 1/11
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相关代理商/技术参数
DS1851E-010+T&R 制造商:Maxim Integrated Products 功能描述:DAC 2CH 8BIT 8TSSOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC DAC DUAL NV TEMP CNTRL 8TSSOP
DS1851E-010+T&R 功能描述:数模转换器- DAC Dual Temp Controlled NV Variable Resistor RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
DS1851E-010+TRL 制造商:Maxim Integrated Products 功能描述:- Tape and Reel
DS1851E-010TR 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Dual Temperature-Controlled NV Digital-to-Analog Converters
DS1852 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Optical Transceiver Diagnostic Monitor
DS1852B-000 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
DS1852B-000/C 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
DS1852B-000/T&R 制造商:Maxim Integrated Products 功能描述:IC MONITOR TXRX OPTICAL 25-BGA