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參數(shù)資料
| 型號(hào)： | DS1851E-010+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC DUAL NV TEMP CNTRL 8TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 位數(shù)： | 8 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 95°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-TSSOP |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 2 電壓，單極 |
| 采樣率（每秒）： | * |
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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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| DS1852 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Optical Transceiver Diagnostic Monitor |
| DS1852B-000 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| DS1852B-000/C | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| DS1852B-000/T&R | 制造商:Maxim Integrated Products 功能描述:IC MONITOR TXRX OPTICAL 25-BGA |
| DS1852B-000/T&R | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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