ADS8325 16-Bit, 100kSPS Serial Out, 2.7V-to-5.5V Micropower Sampling ADC | TI.com

ADS8325 (ACTIVE)

16-Bit, 100kSPS Serial Out, 2.7V-to-5.5V Micropower Sampling ADC

 

Description

The ADS8325 is a 16-bit, sampling, Analog-to-Digital (A/D) converter specified for a supply voltage range from 2.7V to 5.5V. It requires very little power, even when operating at the full 100kHz data rate. At lower data rates, the high speed of the device enables it to spend most of its time in the power-down mode. For example, the average power dissipation is less than 1mW at a 10kHz data rate.

The ADS8325 offers excellent linearity and very low noise and distortion. It also features a synchronous serial (SPI/SSI compatible) interface and a differential input. The reference voltage can be set to any level within the range of 2.5V to VDD.

Low power and small size make the ADS8325 ideal for portable and battery-operated systems. It is also a perfect fit for remote data acquisition modules, simultaneous multichannel systems, and isolated data acquisition. The ADS8325 is available in MSOP-8 and SON-8 packages. The SON package size is the same as a 3x3 QFN package.

Features

  • 16-Bits No Missing Codes
  • Very Low Noise: 3LSBPP
  • Excellent Linearity: ±1.5LSB typ
  • microPower:
    • 4.5mW at 100kHz
    • 1mW at 10kHz
  • MSOP-8 and SON-8 Packages (SON Package Size Same as 3x3 QFN)
  • 16-Bit Upgrade to the 12-Bit ADS7816and ADS7822
  • Pin-Compatible With the ADS7816, ADS7822, ADS7826, ADS7827, ADS7829, and ADS8320
  • Serial (SPI™/SSI) Interfaces
  • APPLICATIONS
    • Battery-Operated Systems
    • Remote Data Acquisition
    • Isolated Data Acquisition
    • Simultaneous Sampling, Multi-Channel Systems
    • Industrial Controls
    • Robotics
    • Vibration Analysis

SPI is a trademark of Motorola, Inc.
All other trademarks are the property of their respective owners.

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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
ADS8325 ADS8320 ADS8321 ADS8324
16     16     16     14    
100     100     100     50    
1     1     1     1    
Serial
SPI    
Serial
SPI    
Serial
SPI    
Serial
SPI    
-40 to 85     -40 to 85     -40 to 85     -40 to 85    
SON | 8
VSSOP | 8    
VSSOP | 8     VSSOP | 8     VSSOP | 8    
6.60 | 1ku     5.75 | 1ku     5.15 | 1ku     4.15 | 1ku    
2.25     4.5     5.5     2.5    
See datasheet (SON)
8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)    
8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)     8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)     8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)    
SAR     SAR     SAR     SAR    
Pseudo-Differential
Single-Ended    
Pseudo-Differential
Single-Ended    
Differential
Pseudo-Differential
Single-Ended    
Pseudo-Differential    
   
   
   
   
Ext     Ext     Ext     Ext    
   
   
   
   
5.5     5.25     2.6     1.8    
0     0     -2.6     -1.8    
2.7     2.7     4.75     1.8    
5.5     5.25     5.25     3.6    
2.7     2.7     4.75     1.8    
5.5     5.25     5.25     3.6    
4     7.9     7.9     2    
91     84     84     78    
91     92     87     78    
-106     -86     -86     -86    
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