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HCTmicro HCT6911 product image
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HCTmicro HCT6911RoHS

Manufacturer
HCTmicroAsian Brands
MPN
HCT6911
LCSC Part #
C46469659
Packaging
TSSOP-16
Customer #
Key Attributes
IC ADC 24BIT SIGMA-DELTA TSSOP-16
Datasheetpdf iconHCTmicro HCT6911
In-Stock: 161
161 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 2.14$ 2.14
10+$ 2.0334$ 20.33
30+$ 1.9697$ 59.09
100+$ 1.9045$ 190.45
500+$ 1.8759$ 937.95
1,000+$ 1.8615$ 1861.50
Standard Packaging5000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Data Acquisition/Analog to Digital Converters (ADC)
ManufacturerHCTmicro
PackagingTSSOP-16
Operating Temperature-40℃~+105℃
InterfaceSPI
Quiescent Current (Iq)600nA
Voltage - Supply2.8V~5.5V
Number of Channels4
Integral non - linearity-
Clock/OscillatorBuilt-in
Clock Frequency2.4576MHz
FeaturesMultiplexers;Built-in temperature sensor;Integrated modulator;Built-in digital filter;Auto calibration;Input buffer;Soft reset;Power-on reset;Under-voltage detection
Voltage ReferenceBuilt-in
Resolution(Bits)24;6.4kHz
S/N Ratio-
ADC architectureSigma-Delta
Programmable GainSupport
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging5000
Sales UnitPiece

Introduction

AI Translation

HCT6911 is a 4-channel, 24-bit high-precision ADC with an SPI interface. It integrates a 1×–128× programmable low-noise instrumentation amplifier, high-precision Sigma-Delta ADC, two precision current sources, high-performance temperature sensor, 10 ppm/°C high-precision voltage reference, bias voltage output circuit, and precision internal RC clock source. At 1× PGA gain, the effective resolution reaches 22.5 bits; at 64× PGA gain, 20.8 bits. The equivalent input noise is as low as 15 nV/√Hz, offset voltage is 1 μV, and offset temperature coefficient is below 10 nV/°C. The output data rate is configurable from 3.125 Hz to 6400 Hz. This device is suited for high-performance temperature sensing, analytical balances, industrial process control, DC/AC energy metering, and instrumentation applications requiring high-precision, low-offset measurements.

Features

AI Translation
  • Operating voltage range: 2.8~5.5V
  • Integrated low-noise amplifier with configurable gain: 1/2/4/8/16/32/64/128×
  • 4 signal input channels, configurable as 4 single-ended inputs or 2 differential inputs
  • Integrated dual precision current sources and one voltage bias circuit, configurable to input channels
  • 24-bit high-precision, low-drift Sigma-Delta ADC
  • 11 selectable decimation rates: 3.125Hz~6400Hz
  • 50Hz and 60Hz power-line interference rejection
  • DC offset auto-calibration
  • Linearity: 0.001% FS
  • Noise floor: 15nV/√Hz @128× PGA
  • Zero drift: 1μV @64/128× PGA
  • Integrated 2.4576MHz internal high-frequency RC oscillator; production frequency deviation <1%; temperature drift 1% over -40~85°C
  • External pin input for precision clock
  • Built-in high-precision temperature sensor; deviation 1°C over -40~85°C
  • Standard 4-wire or 3-wire SPI interface; max communication clock frequency 10MHz
  • Single-register and multi-register burst read/write
  • Command frame parity protection
  • CRC protection for write and read operations
  • Software global reset and power-on auto-reset
  • Undervoltage alarm
  • Operating temperature range: -40~+105°C
  • Package: TSSOP16

Applications

AI Translation
  • Thermocouple temperature measurement
  • RTD temperature measurement
  • Bridge sensor measurement
  • Single-ended signal input