ADS1204 Four Delta-Sigma Modulators, 10MHz CLK, 0-5V Input, 16-Bit Resolution |

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Four Delta-Sigma Modulators, 10MHz CLK, 0-5V Input, 16-Bit Resolution



The ADS1204 is a four-channel, high-performance device, with four delta-sigma () modulators with 100dB dynamic range, operating from a single +5V supply. The differential inputs are ideal for direct connection to transducers in an industrial environment. With the appropriate digital filter and modulator rate, the device can be used to achieve 16-bit analog-to-digital (A/D) conversion with no missing code. Effective resolution of 12 bits can be obtained with a digital filter data rate of 160kHz at a modulator rate of 10MHz. The ADS1204 is designed for use in medium- to high-resolution measurement applications including current measurements, smart transmitters, industrial process control, weight scales, chromatography, and portable instrumentation. It is available in a QFN-32 (5×5) package.


  • 16-Bit Resolution
  • 14-Bit Linearity
  • Resolution/Speed Trade-Off: 10-Bit Effective Resolution with 10µs Signal Delay (12-Bit with 19µs)
  • ±2.5V Input Range at 2.5V
  • Internal Reference Voltage: 2%
  • Gain Error: 0.5%
  • Four Independent Delta-Sigma Modulators
  • Four Input Reference Buffers
  • Onboard 20MHz Oscillator
  • Selectable Internal or External Clock
  • Operating Temperature Range: -40°C to +105°C
  • QFN-32 (5×5) Package
    • Motor Control
    • Current Measurement
    • Industrial Process Control
    • Instrumentation
    • Smart Transmitters
    • Portable Instruments
    • Weight Scales
    • Pressure Transducers

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WEBENCH® Designer ADS1204


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Part number Order Resolution (Bits) Number of input channels Interface Operating temperature range (C) Package Group Approx. price (US$) Power consumption (Typ) (mW) Package size: mm2:W x L (PKG) Architecture Input type Multi-channel configuration Reference mode Features Input range (Max) (V) Input range (Min) (V) Analog voltage AVDD (Min) (V) Analog voltage AVDD (Max) (V) Digital supply (Min) (V) Digital supply (Max) (V) INL (Max) (+/-LSB) SNR (dB) THD (Typ) (dB) Rating
ADS1204 Order now 16     4     Serial     -40 to 105     VQFN | 32     7.43 | 1ku     122     32VQFN: 25 mm2: 5 x 5 (VQFN | 32)     Delta-Sigma Modulator     Differential
Simultaneous Sampling     Ext
Oscillator     5     0     4.5     5.5     2.7     5.5     3     89     -96     Catalog