ADS1256IDBR IC ADC 24BIT SIGMA-DELTA 28SSOP

• Customization: Available
• Conductive Type: Bipolar Integrated Circuit
• Integration: MSI
• Model NO.: ADS1256IDBR
• Technics: Semiconductor IC
• MFG.: TI
• D/C: 20+
• Package: SSOP28
• Quality: Genuine New Original
• shape: SMD
• Transport Package: Box
• Origin: China
• HS Code: 8542390000
• Production Capacity: 1000000PCS

Product Description

Description

ADS1256IDBR:  24-Bit, 30kSPS, 8-Ch Delta-Sigma ADC With PGA for Factory Automation and Process Control

Package: SSOP28

Mfr. Part#: ADS1256IDBR

Mfr.: TI

Datasheet: (e-mail or chat us for PDF file)

ROHS Status: 

Quality: 100% Original

Warranty: 180 days

 

Features for the ADS1256

• 24 Bits, No Missing Codes
  • All Data Rates and PGA Settings
• Up to 23 Bits Noise-Free Resolution
• ±0.0010% Nonlinearity (max)
• Data Output Rates to 30kSPS
• Fast Channel Cycling
  • 18.6 Bits Noise-Free (21.3 Effective Bits) at 1.45kHz
• One-Shot Conversions with Single-Cycle Settling
• Flexible Input Multiplexer with Sensor Detect
  • Four Differential Inputs (ADS1256 only)
  • Eight Single-Ended Inputs (ADS1256 only)
• Chopper-Stabilized Input Buffer
• Low-Noise PGA: 27nV Input-Referred Noise
• Self and System Calibration for All PGA Settings
• 5V Tolerant SPI™-Compatible Serial Interface
• Analog Supply: 5V
• Digital Supply: 1.8V to 3.6V
• Power Dissipation
  • As Low as 38mW in Normal Mode
  • 0.4mW in Standby Mode

Description for the ADS1256

The ADS1255 and ADS1256 are extremely low-noise, 24-bit analog-to-digital (A/D) converters. They provide complete high-resolution measurement solutions for the most demanding applications.

The converter is comprised of a 4th-order, delta-sigma (ΔΣ) modulator followed by a programmable digital filter. A flexible input multiplexer handles differential or single-ended signals and includes circuitry to verify the integrity of the external sensor connected to the inputs. The selectable input buffer greatly increases the input impedance and the low-noise programmable gain amplifier (PGA) provides gains from 1 to 64 in binary steps. The programmable filter allows the user to optimize between resolution of up to 23 bits noise-free and data rate of up to 30k samples per second (SPS). The converters offer fast channel cycling for measuring multiplexed inputs and can also perform one-shot conversions that settle in just a single cycle.

Communication is handled over an SPI-compatible serial interface that can operate with a 2-wire connection. Onboard calibration supports both self and system correction of offset and gain errors for all the PGA settings. Bidirectional digital I/Os and a programmable clock output driver are provided for general use. The ADS1255 is packaged in an SSOP-20, and the ADS1256 in an SSOP-28.

 

Part Status	Active
Number of Bits	24
Sampling Rate (Per Second)	30k
Number of Inputs	4, 8
Input Type	Differential, Single Ended
Data Interface	SPI
Configuration	MUX-PGA-ADC
Ratio - S/H:ADC	-
Architecture	Sigma-Delta
Reference Type	External
Voltage - Supply, Analog	5V
Voltage - Supply, Digital	1.8V ~ 3.6V
Features	PGA
Operating Temperature	-40°C ~ 85°C
Package / Case	28-SSOP (0.209"", 5.30mm Width)
Supplier Device Package	28-SSOP
Mounting Type	Surface Mount
Number of A/D Converters	1

 

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