ADS1209 16-Bit, 10MHz, 2-Ch, Delta-Sigma Modulator | TI.com

ADS1209 (ACTIVE) 16-Bit, 10MHz, 2-Ch, Delta-Sigma Modulator

16-Bit, 10MHz, 2-Ch, Delta-Sigma Modulator - ADS1209
Datasheet
 

Description

The ADS1209 is a two-channel, high-performance, delta-sigma () modulator with an 86dB dynamic range, operating from a single +5V supply. The differential inputs are ideal for direct connection to signal sources 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 codes. Effective accuracy of 14 bits can be obtained with a digital filter bandwidth of 20kHz at a modulator rate of 10MHz. The ADS1209 is designed for use in high-resolution measurement applications including current measurements, industrial process control, and resolvers. It is available in a TSSOP-24 package and is specified for operation over the ambient temperature range of –40°C to +105°C.

Features

  • 16-Bit Resolution
  • 13-Bit Linearity
  • ±2.3V Specified Input Voltage Range
  • Internal Reference Voltage: 2%
  • Gain Error: 0.5%
  • Two Independent Delta-Sigma Modulators
  • Two Input Reference Buffers
  • On-Chip Oscillator
  • Selectable Internal or External Clock
  • Specified Temperature Range: –40°C to +105°C
  • TSSOP-24 Package
  • APPLICATIONS
    • Motor Control
    • Current Measurement
    • Resolver
    • Industrial Process Control
    • Instrumentation

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Parametrics

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Part number Order Resolution (Bits) Sample rate (Max) (kSPS) 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
ADS1209 Order now 16     40     2     Serial     -40 to 105     TSSOP | 24     4.95 | 1ku     65.5     24TSSOP: 34 mm2: 4.4 x 7.8 (TSSOP | 24)     Delta-Sigma Modulator     Differential
Single-Ended    
Simultaneous Sampling     Ext
Int    
Oscillator     5     0     4.5     5.5     2.7     5.5     8     90     -85     Catalog    
ADS1205 Order now 16     40     2     Serial     -40 to 85     VQFN | 24     5.45 | 1ku     59     24VQFN: 16 mm2: 4 x 4 (VQFN | 24)     Delta-Sigma Modulator     Differential
Single-Ended    
Simultaneous Sampling     Ext
Int    
Oscillator     5     0     4.5     5.5     2.7     5.5     3     88.9     -96.6     Catalog    
ADS1208 Samples not available 16     40     1     Serial     -40 to 85     TSSOP | 16     4.18 | 1ku     64     16TSSOP: 22 mm2: 4.4 x 5 (TSSOP | 16)     Delta-Sigma Modulator     Differential         Ext
Int    
Excitation Current Sources (iDACs)
Oscillator    
5     0     4.5     5.5     2.7     5.5     8     82     -91     Catalog