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ADS1255IDBT
Small form factor SSOP-20-208mil packageADS1255IDBT
Small form factor SSOP-20-208mil package
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Manufacturer Part # : ADS1255IDBT
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Package/Case: SSOP-20
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Part Status : ACTIVE
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Brand: Texas Instruments
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Product Categories : Analog to Digital Converters (ADC)
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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Tube or Tray
ADS1255IDBT DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
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.
ADS1255 Pinout
Key Features
- 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
Application
- Scientific Instrumentation
- Industrial Process Control
- Medical Equipment
- Test and Measurement
- Weigh Scales
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Pbfree Code | Yes | Rohs Code | Yes |
| Part Life Cycle Code | Active | Part Package Code | SSOP |
| Pin Count ! | 20 | Reach Compliance Code | compliant |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Analog Input Voltage-Max | 5.25 V | Analog Input Voltage-Min | -5 V |
| Converter Type | ADC, DELTA-SIGMA | JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 | Length | 7.2 mm |
| Linearity Error-Max (EL) | 0.001% | Moisture Sensitivity Level | 2 |
| Number of Analog In Channels | 2 | Number of Bits | 24 |
| Number of Functions | 1 | Number of Terminals | 20 |
| Operating Temperature-Max | 85 °C | Operating Temperature-Min | -40 °C |
| Output Bit Code | 2'S COMPLEMENT BINARY | Output Format ! | SERIAL |
| Package Body Material | PLASTIC/EPOXY | Package Code | SSOP |
| Package Equivalence Code | SSOP20,.3 | Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH | Peak Reflow Temperature (Cel) | 260 |
| Power Supplies ! | 1.8,5 V | Qualification Status ! | Not Qualified |
| Sample Rate | 0.03 MHz | Seated Height-Max | 2 mm |
| Supply Current-Max | 50 mA | Supply Voltage-Min | 1.8 V |
| Supply Voltage-Nom | 5 V | Surface Mount ! | YES |
| Temperature Grade ! | INDUSTRIAL | Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form ! | GULL WING | Terminal Pitch ! | 0.65 mm |
| Terminal Position | DUAL | Time@Peak Reflow Temperature-Max (s) | 30 |
| Width | 5.3 mm | Resolution (Bits) | 24 |
| Sample rate (max) (ksps) | 30 | Number of input channels | 2 |
| Interface type | SPI | Architecture | Delta-Sigma |
| Input type | Differential, Single-ended | Multichannel configuration | Multiplexed |
| Rating | Catalog | Reference mode | External |
| Input voltage range (max) (V) | 5.25 | Input voltage range (min) (V) | 0 |
| Features | 50/60 Hz Rejection, GPIO, PGA | Operating temperature range (°C) | -40 to 85 |
| Power consumption (typ) (mW) | 36 | Analog supply (min) (V) | 4.75 |
| Analog supply voltage (max) (V) | 5.25 | Digital supply (min) (V) | 1.8 |
| Digital supply (max) (V) | 3.6 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is ADS1255IDBT?
The ADS1255IDBT is a precision 24-bit analog-to-digital converter (ADC) designed by Texas Instruments. It is ideal for applications requiring high-resolution, low-noise measurements, such as industrial process control, medical instrumentation, and precision weighing scales.
How Does ADS1255IDBT Work?
The ADS1255IDBT works by converting analog voltage signals into digital data with high resolution and accuracy. It utilizes a delta-sigma architecture combined with a digital filter to achieve high resolution and low noise performance. The converter features programmable gain and data rates, allowing flexibility in various measurement applications.
How Many Pins does ADS1255IDBT have and What are the Functions of the Pinout Configuration?
The ADS1255IDBT is housed in a 20-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- AVDD, DVDD: Analog and digital power supply pins, respectively.
- AGND, DGND: Analog and digital ground pins, respectively.
- AIN0, AIN1: Differential analog input pins.
- REFP, REFN: Reference voltage input pins.
- CLK, DIN, DOUT, SCLK, SYNC: Serial interface control pins.
- DRDY: Data ready output pin.
- RESET: Reset input pin.
- PWDN: Power-down input pin.
What are the Pros and Cons of ADS1255IDBT?
Pros:
- High Resolution: Provides 24-bit resolution for precise measurements.
- Low Noise: Achieves low noise performance, suitable for sensitive measurements.
- Programmable Gain: Offers programmable gain settings for dynamic range adjustment.
- Flexible Interface: Supports a serial interface for easy integration into digital systems.
- Internal Voltage Reference: Includes an internal voltage reference for simplified system design.
Cons:
- Cost: High-resolution ADCs like the ADS1255IDBT may have a higher cost compared to lower-resolution alternatives.
- Complexity: Requires careful consideration of noise, grounding, and layout for optimal performance.
- External Components: May require additional external components such as filters or amplifiers for specific applications.
Are There Any Equivalents/Alternatives to ADS1255IDBT for Recommendation?
- The ADS1256 from Texas Instruments is a similar 24-bit ADC with additional features.
- Alternatives to the ADS1255IDBT include the LTC2400 from Analog Devices and the MAX11200 from Maxim Integrated.
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