AMC1035 datasheet(9/22 Pages) TI1

部件名	AMC1035

功能描述	Delta-Sigma Modulator With Bipolar Input of ,-1 V and Reference Output of 2.5 V

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制造商	TI1 [Texas Instruments]

网页	http://www.ti.com

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9 / 22 page

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AMC1035

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SBAS837 – AUGUST 2018

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7.3 Feature Description

7.3.1 Analog Input

The AMC1035 incorporates front-end circuitry that contains a buffered sampling stage, followed by a ΔΣ

modulator. To support a bipolar input range, the device uses a charge pump that allows single-supply operation

to simplify the overall system design and minimize the circuit cost. For reduced offset and offset drift, the input

buffer is chopper-stabilized with the switching frequency set at fCLKIN / 32. Figure 3 shows the spur created by the

switching frequency.

sinc3 filter, OSR = 2, fCLKIN = 20 MHz, fIN = 1 kHz

Figure 3. Quantization Noise Shaping

There are two restrictions on the analog input signals (AINP and AINN). First, if the input voltage exceeds the

range AGND – 5 V to AVDD + 0.5 V, the input current must be limited to 10 mA because the device input

electrostatic discharge (ESD) diodes turn on. In addition, the linearity and noise performance of the device are

ensured only when the differential analog input voltage remains within the specified linear full-scale range (FSR),

that is ±1 V, and within the specified input common-mode range.

类似零件编号 - AMC1035

制造商	部件名	数据表	功能描述
Texas Instruments	AMC1035	423Kb / 22P	[Old version datasheet] Delta-Sigma Modulator With Bipolar Input of (,-)1 V and Reference Output of 2.5 V
	AMC1035	1Mb / 33P	[Old version datasheet] Delta-Sigma Modulator With Bipolar Input of (-)1 V and Reference Output of 2.5 V
	AMC1035	763Kb / 32P	[Old version datasheet] Delta-Sigma Modulator With a Bipolar Input of 짹1 V and Reference Output of 2.5 V
	AMC1035	763Kb / 32P	[Old version datasheet] AMC1035-Q1 Delta-Sigma Modulator With a Bipolar Input of 짹1 V and Reference Output of 2.5 V
	AMC1035-Q1	763Kb / 32P	[Old version datasheet] Delta-Sigma Modulator With a Bipolar Input of 짹1 V and Reference Output of 2.5 V

制造商	部件名	数据表	功能描述
Texas Instruments	AMC1035_1811	1Mb / 33P	[Old version datasheet] Delta-Sigma Modulator With Bipolar Input of (-)1 V and Reference Output of 2.5 V
	AMC1035	423Kb / 22P	[Old version datasheet] Delta-Sigma Modulator With Bipolar Input of (,-)1 V and Reference Output of 2.5 V
	AMC1035-Q1	763Kb / 32P	[Old version datasheet] Delta-Sigma Modulator With a Bipolar Input of 짹1 V and Reference Output of 2.5 V
	AMC1035-Q1	763Kb / 32P	[Old version datasheet] AMC1035-Q1 Delta-Sigma Modulator With a Bipolar Input of 짹1 V and Reference Output of 2.5 V
	AMC1333M10	1Mb / 36P	[Old version datasheet] AMC1333M10 Precision, ±1-V Input, Reinforced Isolated Delta-Sigma Modulator With 10-MHz Internal Clock MAY 2022
Maxim Integrated Produc...	DS8102	157Kb / 9P	Dual Delta-Sigma Modulator and Encoder Rev 1; 2/09
Analog Devices	AD7401	347Kb / 20P	Isolated Sigma-Delta Modulator REV. D
Analog Devices	AD7401A	551Kb / 20P	Isolated Sigma-Delta Modulator Rev. D
STMicroelectronics	AN1827	91Kb / 11P	IMPLEMENTATION OF SIGMA-DELTA ADC
Analog Devices	AD7400	951Kb / 10P	Isolated Sigma-Delta Modulator Rev. PrH