ADS1208 10MHz Modulator With Built-in Current Excitation for Hall Sensors | TI.com

ADS1208 (ACTIVE)

10MHz Modulator With Built-in Current Excitation for Hall Sensors

 

Description

The ADS1208 is a 2nd-order

Features

  • ±100mV Specified Input Range
  • ±125mV Full-Scale Range
  • 95dB typ. CMR, 82dB typ. SNR
  • Adjustable Current Output for Sensor Biasing
  • Digital Output Compatible to ADS1202/03
  • Differential Digital Outputs
  • Separate 2.7V to 5.5V Digital Supply Pin
  • APPLICATIONS
    • Motor Control
    • Current Measurement
    • Hall Sensors
    • Bridge Sensors
    • Instrumentation

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Parametrics Compare all products in Precision ADCs (<=10MSPS)

 
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)
SINAD (dB)
SNR (dB)
THD (Typ) (dB)
Rating
ADS1208 ADS1205 ADS1209
16     16     16    
40     40     40    
1     2     2    
Serial     Serial     Serial    
-40 to 85     -40 to 85     -40 to 105    
TSSOP | 16     VQFN | 24     TSSOP | 24    
4.18 | 1ku     5.45 | 1ku     4.95 | 1ku    
64     59     65.5    
16TSSOP: 22 mm2: 4.4 x 5 (TSSOP | 16)     24VQFN: 16 mm2: 4 x 4 (VQFN | 24)     24TSSOP: 50 mm2: 6.4 x 7.8 (TSSOP | 24)    
Delta-Sigma     Delta-Sigma     Delta-Sigma    
Differential     Differential
Single-Ended    
Differential
Single-Ended    
   
Simultaneous Sampling     Simultaneous Sampling    
Ext
Int    
Ext
Int    
Ext
Int    
Excitation Current Sources (iDACs)
Oscillator    
Oscillator     Oscillator    
5     5     5    
0     0     0    
4.5     4.5     4.5    
5.5     5.5     5.5    
2.7     2.7     2.7    
5.5     5.5     5.5    
8     3     8    
81.5     88.2     84    
82     88.9     90    
-91     -96.6     -85    
Catalog     Catalog     Catalog    

Design tool

WEBENCH® Designer ADS1208