TMP03/TMP04是一款调制的串行数字输出信号的单片温度检测器，其输出信号与温度成比例。TMP03/TMP04内置传感器产生的电压与绝对温度具有精密的比例关系，绝对温度与内部电压基准进行比较后输入至精密数字调制器。串行数字输出的比例（ratiometric）编码格式与电压-频率转换器等大多数串行调制技术中常见的时钟漂移误差无关。在-25°C ～ +100°C温度范围内，其整体精度是±1.5°C (典型值) ，具有卓越的传输线性。TMP04的数字输出是CMOS/TTL兼容的，容易实现与大多数普通微处理器串行输入的接口。TMP03的开集输出具有5 mA灌电流能力。TMP03是利用光电耦合器或隔离变压器进行隔离的系统最佳选择。

TMP03/TMP04工作电源电压范围是4.5 V ～ 7 V。电源电压为+5 V时，消耗电流(未加负载)低于1.3 mA。

TMP03/TMP04工作温度范围：-40°C ～ +100°C，采用低功耗TO-92、SO-8与TSSOP-8 SMT封装。工作温度扩展至+150°C时，精度有所下降。

TMP03/TMP04是功能强大的完全温度测量系统，配备片上数字输出电路。 TMP01的内置温度传感器后面是低功耗可编程温度控制器，在整个额定温度范围内具有卓越的精度和线性度，不需要用户进行校正或校准。

利用一阶∑-Δ调制器，也就是熟知的“电荷平衡”型模数转换器，可以实现传感器输出数字化。这类转换器利用时域过采样技术以及高精度比较器，在小型电路中提供12 bit的有效精度。

∑-Δ调制器主要包括输入采样器、加法网络、积分器、比较器和1位数模转换器（DAC）。与电压-频率转换器类似，这种架构实际上生成一个负反馈环路，其目的是根据输入电压变化来改变比较器输出的占空比，从而使积分器输出最小。比较器对积分器输出进行采样，其采样速率要比输入采样频率高得多，称作过采样。这使得量化噪声在比输入信号宽得多的频段内扩展，改进了整个噪声性能，并提高了精度。

利用电路技术（专利申请待批）对经过调制的比较器输出进行编码，该技术利用脉冲间隔比例格式生成串行数字信号，任何微处理器都可以将这种格式解码为摄氏温度或华氏温度值，并通过单线进行传输或调制。最重要的是，这个编码方法从根本上避免了其他调制技术中常见的主要误差源，因为它独立于时钟。

Part#	Temp Res(°C/LSB)	25°C Temp Error (Deg C)	Resolution (Bits)	# Chan	DAC Outputs	Interface	Temp Range(s)	Supply Voltage Range	Product Description	Price* (1000-4999)
ADT7316	0.25	±0.5	10	3	12-Bit x 4	I2C, I2C/SPI, Serial, SM Bus, SPI	-40 to +120	+2.7V to +5.5V	SPI/I2C® Compatible,10-Bit Digital Temperature Sensor With Quad Voltage-Output 12-Bit DAC	$6.46
ADT7317	0.25	±0.5	10	3	10-Bit x 4	I2C, I2C/SPI, SM Bus, SPI	-40 to +120	+2.7V to +5.5V	SPI/I2C® Compatible,10-Bit Digital Temperature Sensor w/ Quad 10-Bit Voltage Output DAC	$3.51
ADT7318	0.25	+0.5	10	3	8-Bit x 4	I2C, I2C/SPI, Serial, SM Bus, SPI	-40 to +120	+2.7V to +5.5V	SPI/I2C® Compatible,10-Bit Digital Temperature Sensor & Quad Voltage Output 8-Bit DAC	$2.23
TMP03	0.3	±3	16	0	---	PWM	-40 to +100	+4.5V to +7V	Serial PWM-Output Temperature Sensor w/ Open-Collector Output	$3.27
TMP04	0.3	±3	16	0	---	PWM	-40 to +100	+4.5V to +7V	Serial PWM-Output Temperature Sensor w/ CMOS/TTL Output	$3.27
AD7814	0.25	n/a	10	0	---	Serial, SPI	-55 to +125	+2.7V to +5.5V	10-Bit Digital Temperature Sensor in 6-Lead SOT-23	$1.00
AD7414	0.25	n/a	10	0	---	I2C, Serial	-40 to +125	+2.7V to +5.5V	SMBus/I2C, 10-Bit Digital Temperature Sensor in 6-Pin SOT w/ SMBus Alert and Over-Temperature Pin	$1.04
AD7415	0.25	±2	10	0	---	I2C, Serial	-40 to +125	+2.7V to +5.5V	SMBus/I2C, 10-Bit Digital Temperature Sensor in 5-Pin SOT	$1.04
AD7416	0.25	n/a	10	0	---	I2C, Serial	-40 to +125	+2.7V to +5.5V	10-Bit Temperature-to-Digital Converter, -40°C to +125°C, ±2°C Accuracy	$1.00
AD7314	0.25	±1	10	0	---	Serial, SPI	-35 to +85	+2.65V to +5.5V	Low Voltage, 10-Bit Digital Temperature Sensor in 8-Lead µSOP	$0.66
AD7818	0.25	±1	10	1	---	Serial, SPI	-40 to +85	+2.7V to +5.5V	9 µs, 10-Bit ADC w/ On-Chip Temperature Sensor & Over-Temperature Output	$2.34
AD7418	0.25	±1	10	2	---	I2C, Serial	-40 to +125	+2.7V to +5.5V	10-Bit ADC, Programmable Hi-Low Temp Limits w/ Over-Temp Alert, , Auto Pwr Dwn @ EOC	$2.34
AD7817	0.25	±1	10	4	---	Serial, SPI	-40 to +85	+2.7V to +5.5V	4-Channel, 9 µs, 10-Bit ADC with On-Chip Temperature Sensor & Over-Temperature Flag	$3.29
AD7417	0.25	±1	10	5	---	I2C, Serial	-40 to +125	+2.7V to +5.5V	4-Channel, 10-Bit ADC w/ on-Chip Temperature Sensor, Programmable Setpoints, and Overtemp Flag Out	$2.99
ADT7516	0.25	n/a	10	7	12-Bit x 4	I2C/SPI, Serial, SPI	-40 to +120	+2.7V to +5.5V	SPI/I2C Compatible Temperature Sensor w/10-Bit-4-Ch ADC & Quad 12-Bit Voltage DAC Control Outputs	$7.74
ADT7411	0.25	+0.5	10	10	n/a	I2C, I2C/SPI, Serial, SPI	-40 to +120	+2.7V to +5.5V	SPI®-/I2C®-Compatible, 10-Bit ADC w/ Local & Remote Temp Msmt, 8 GP Analog Inputs, and VDD monitor	$2.22
ADT6501	0.125	±4	11	n/a	-	Switch (Off/On)	-55 to +125	+2.7V to +5.5V	2.7V/5.5V, Micropower Temperature Switch in SOT-23 w/ active-low open-drain Output, +35 to +115 DegC	$0.49
ADT6502	0.125	±4	11	n/a	---	Switch (Off/On)	-55 to +125	+2.7V to +5.5V	2.7V/5.5 V, Micropower Temperature Switch in SOT-23 w/Active-High Push-pull Output, +35 to +115 DegC	-
ADT6503	0.0625	n/a	11	n/a	---	Switch (Off/On)	-55 to +125	+2.7V to +5.5V	2.7V/5.5V, Micropower Temperature Switch in SOT-23 w/Open-drain Output, -45 to +15 Deg C	$0.50
ADT6504	0.0625	n/a	12	n/a	---	Switch (Off/On)	-55 to +125	+2.7V to +5.5V	2.7 V to 5.5 V, Micropower Temperature Switch in SOT-23 w/Push-pull Output, -45 to +15 Deg C	$0.50
ADT7408	0.0625	±1	12	0	---	I2C, SM Bus	-20 to +125	+3V to +3.6V	± 2 Degree C Accurate, 12-Bit Digital Temperature Sensor	$0.87
ADT75	0.0625	n/a	12	0	---	I2C, Serial, SM Bus	-55 to +125	+3V to +5.5V	±1 Deg C Accuracy, 12-Bit Digital Temperature Sensor	$0.66
ADT7301	0.03125	n/a	13	0	---	Serial, SPI	-40 to +150	+2.7V to +5.5V	13-Bit, ±1ºC Accurate, MicroPower Digital Temperature Sensor in 6-Lead SOT-23 and 8-Lead MSOP	$1.21
ADT7302	0.03125	n/a	13	0	---	Serial, SPI	-40 to +125	+2.7V to +5.25V	±2°C Accurate, MicroPower Digital Temperature Sensor in 6-Lead SOT-23	$0.63
TMP06	0.025	±0.5	12	0	---	PWM	-40 to +150	+2.7V to +5.5V	0.5°C Accurate PWM Temperature Sensor in 5-Lead SC-70 or SOT-23 w/ Open Drain Output	$0.66
TMP01	n/a	±0.5	n/a	0	---	Analog, Switch (Off/On)	-55 to +125	+4.5V to +13.2V	Low Power, Programmable Temperature Sensor/ Controller w/ upper/lower setpoints	$2.67
TMP05	0.025	±0.5	12	0	---	PWM	-40 to +150	+2.7V to +5.5V	0.5°C Accurate PWM Temperature Sensor in 5-Lead SC-70 or SOT-23 w/ CMOS/TTL Output	$0.66
AD22105	n/a	±3	n/a	0	---	Switch (Off/On)	-40 to +125	+2.7V to 7V	Low Voltage, Resistor Programmable Thermostatic Switch	$1.21

* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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这种集成电路（IC）的封装说明，例如：DIP，SOIC和BGA封装。评估板是一块用来演示器件性能的试验板，该器件也包含在该评估板上。

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引脚数是指该器件的引脚、球状焊点或焊盘的数量。产品技术资料中提供引脚排列图和引脚功能描述。

这是指该器件允许的工作温度范围。以下为所规定的三种温度范围：

• 民用温度范围：0 ºC～＋70 ºC
• 军用温度范围：－55ºC ～＋125ºC
• 工业用温度范围：不同型号的产品的温度范围可能不同。欲了解更多信息，请查阅产品技术资料。
• 汽车工作温度范围：-40 ℃～ +125 ℃

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