SBAS301D October   2003  – February 2020 ADS1204

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Functional Block Diagram
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements: 5.0 V
    7. 6.7 Timing Requirements: 3.0 V
    8. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Analog Input Stage
        1. 7.3.1.1 Analog Input
        2. 7.3.1.2 Modulator
      2. 7.3.2 Digital Output
      3. 7.3.3 Equivalent Input Circuits
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Filter Usage
  9. 9 Power Supply Recommendations
    1. 9.1 Power-Supply Sequencing
    2. 9.2 Power-Supply Decoupling
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.8 Typical Characteristics

AVDD = 5 V, BVDD = 3 V, CH x+ = 0.5 V to 4.5 V, CH x– = 2.5 V, REFIN = external, CLKSEL = 0, and 16-bit sinc3 filter, with OSR = 256 (unless otherwise noted)
ADS1204 tc_inl-sig_20m_bas301.gif
CLKIN = 20 MHz
Figure 2. Integral Nonlinearity vs Input Signal
ADS1204 tc_inl_match-sig_bas301.gif
Figure 4. Integral Linearity Match of Channels
vs Input Signal
ADS1204 tc_oset-tmp_bas301.gif
Figure 6. Offset vs Temperature
ADS1204 tc_oset-ps_bas301.gif
Figure 8. Offset vs Power Supply
ADS1204 tc_g-tmp_bas301.gif
Figure 10. Gain Error vs Temperature
ADS1204 tc_snr-tmp_bas301.gif
Figure 12. SNR vs Temperature
ADS1204 tc_thd-tmp_bas301.gif
Figure 14. THD vs Temperature
ADS1204 tc_sfdr-frq_20m_bas301.gif
CLKIN = 20 MHz
Figure 16. SFDR and THD vs Input Frequency
ADS1204 tc_spec_1k_bas301.gif
4096-Point FFT, fIN = 1 kHz, 4 VPP
Figure 18. Frequency Spectrum
ADS1204 tc_enob-ratio_bas301.gif
Figure 20. ENOB vs Decimation Ratio
ADS1204 tc_cmrr-frq_bas301.gif
Figure 22. CMRR vs Frequency
ADS1204 tc_clk-tmp_bas301.gif
Figure 24. Clock Frequency vs Temperature
ADS1204 tc_inl-sig_32m_bas301.gif
CLKIN = 32 MHz
Figure 3. Integral Nonlinearity vs Input Signal
ADS1204 tc_inl-tmp_bas301.gif
Figure 5. Maximum Integral Nonlinearity
vs Temperature
ADS1204 tc_oset_match-tmp_bas301.gif
Figure 7. Offset Match vs Temperature
ADS1204 tc_vref-tmp_bas301.gif
Figure 9. Internal Reference vs Temperature
ADS1204 tc_gm-tmp_bas301.gif
Figure 11. Gain Match vs Temperature
ADS1204 tc_sinad-tmp_bas301.gif
Figure 13. SINAD vs Temperature
ADS1204 tc_sfdr-tmp_bas301.gif
Figure 15. SFDR vs Temperature
ADS1204 tc_sfdr-frq_32m_bas301.gif
CLKIN = 32 MHz
Figure 17. SFDR and THD vs Input Frequency
ADS1204 tc_spec_5k_bas301.gif
4096-Point FFT, fIN = 5 kHz, 4 VPP
Figure 19. Frequency Spectrum
ADS1204 tc_psc-tmp_bas301.gif
Figure 21. Analog Power-Supply Current
vs Temperature
ADS1204 tc_psrr-frq_bas301.gif
Figure 23. PSRR vs Frequency
ADS1204 tc_clk-ps_bas301.gif
Figure 25. Clock Frequency vs Power Supply