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Analog Devices Inc. LTC1096LIS8#TRPBF
- Part No.:
- LTC1096LIS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LTC1096LIS8#TRPBF.pdf
- Description:
- IC ADC 8BIT SAR 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,169
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Product details
Overview
LTC1096LIS8#TRPBF from Analog Devices (formerly Linear Technology) is a micropower 8-bit successive-approximation analog-to-digital converter with single differential analog input, sample-and-hold, and 3-wire serial interface. It operates from 2.65V to 4.0V supply, draws only 80μA during conversion at 33kHz sampling rate, and powers down to 1nA typical quiescent current. It is used in battery-powered remote sensor nodes requiring low-power ratiometric measurement of transducer outputs.
For engineers reviewing the LTC1096LIS8#TRPBF datasheet, LTC1096LIS8#TRPBF pinout, LTC1096LIS8#TRPBF application, or LTC1096LIS8#TRPBF equivalent, key selection criteria include its 2.65V minimum supply voltage, ±0.5LSB total unadjusted error over temperature, 16.5kHz maximum sampling frequency at 2.65V/250kHz clock, differential input architecture, and SO-8 package compatibility with space-constrained embedded systems.
Technical Context
The LTC1096LIS8#TRPBF implements a switched-capacitor SAR ADC core with integrated sample-and-hold and on-chip bias circuitry optimized for micropower operation. Its differential input structure supports ratiometric sensing and direct connection to high-impedance sensors without external amplification.
It uses a synchronous 3-wire serial interface (CS/SHDN, CLK, DOUT) with data shifted out on CLK falling edges. Wake-up time from shutdown is fixed at 10μs, and conversion requires exactly 8 clock cycles after valid CS assertion and wake-up delay.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit with no missing codes - guarantees monotonic transfer function for reliable control loop feedback. |
| Supply Voltage Range | 2.65V to 4.0V - enables direct operation from single Li-ion or two alkaline cells without regulation. |
| Max Sampling Rate | 16.5kHz at VCC = 2.65V - supports real-time monitoring of slow-varying physical parameters (e.g., temperature, pressure). |
| Total Unadjusted Error | ±1.5LSB over –40°C to +85°C - ensures <±0.6% full-scale accuracy without calibration in industrial environments. |
| Supply Current (Active) | 80μA typical at fSMPL = 16.5kHz - achieves ~10-year battery life in 1Hz-sampled gas gauge applications. |
| Supply Current (Shutdown) | 1nA typical - eliminates battery drain during system sleep modes. |
| Analog Input Range | –0.05V to VCC + 0.05V - allows rail-to-rail input with 50mV diode-clamp margin for robustness against transient overvoltage. |
Pinout & Package
Package: 8-lead plastic SOIC (S8), –40°C to +85°C operating temperature range, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: CS/SHDN | Chip Select / Shutdown Control | Active-low enable; high state disconnects internal power rails, reducing ICC to 1nA. |
| 2: +IN | Differential Analog Input (Positive) | High-impedance input accepting signals up to VCC + 0.05V; used with –IN for common-mode rejection. |
| 3: –IN | Differential Analog Input (Negative) | Completes differential pair; enables measurement of floating or biased sensor outputs. |
| 4: GND | Analog Ground Reference | Must connect directly to low-noise analog ground plane; separates analog return from digital paths. |
| 5: VREF | External Reference Input | Defines full-scale range; accepts 2.5V reference for 2.5V span or connects to VCC for ratiometric operation. |
| 6: DOUT | Serial Data Output | 3-state output; data valid 200–450ns after CLK↓; enters Hi-Z within 170–450ns after CS↑. |
| 7: CLK | Serial Shift Clock | Input clock synchronizing bit transfer; requires 1.6μs min high/low time at VCC = 2.65V. |
| 8: VCC | Power Supply | Single 2.65–4.0V supply powering analog and digital sections; must be bypassed locally to GND. |
Key Features
| Feature | Design Value |
|---|---|
| Micropower active mode | 80μA supply current at 16.5kHz sampling enables >10-year coin-cell operation in periodic sensing. |
| Ultra-low shutdown current | 1nA typical ICC in shutdown extends shelf life and eliminates leakage concerns in always-off systems. |
| Differential input architecture | Rejects common-mode noise from long sensor cables and enables direct connection to bridge transducers. |
| Ratiometric operation support | VREF pin accepts external reference or ties to VCC, allowing accurate measurement independent of supply variation. |
| Reduced full-scale spans | Operates down to 250mV full-scale range, achieving 1mV resolution for precision low-level signal acquisition. |
Applications
| Battery Gas Gauging | Remote Temperature Monitoring |
|---|---|
Use Scenario: Measuring cell voltage and current in lithium-ion battery packs to estimate state-of-charge using coulomb counting. IC Role / Device Role / Timing Role: ADC digitizes shunt voltage and battery terminal voltage with ratiometric reference to eliminate supply drift errors. Use Value: 80μA active current and 1nA shutdown current extend pack runtime and shelf life; differential inputs reject noise from switching regulators. | Use Scenario: Wireless sensor node deployed in HVAC ducts or outdoor enclosures measuring ambient temperature via thermistor or RTD. IC Role / Device Role / Timing Role: Converts analog sensor output to digital values at 1–10Hz intervals, synchronized to microcontroller's low-power sleep/wake cycle. Use Value: 2.65V minimum supply allows direct use of primary batteries; ±1.5LSB TUE ensures ±0.6% accuracy across –40°C to +85°C without calibration. |
| Isolated Data Acquisition | Industrial Transducer Interface |
Use Scenario: Digitizing 4–20mA loop signals or strain gauge outputs across galvanic isolation barriers in PLC I/O modules. IC Role / Device Role / Timing Role: ADC resides on isolated side, transmitting serial data across optocoupler or digital isolator to host MCU. Use Value: 3-wire interface minimizes isolation channel count; micropower operation reduces isolated-side power budget and heat generation. | Use Scenario: Reading output of pressure transducers or load cells in factory automation equipment with limited PCB area. IC Role / Device Role / Timing Role: Provides direct high-impedance interface to mV-level bridge outputs, eliminating need for instrumentation amplifier stage. Use Value: Differential input and 250mV minimum full-scale span enable 1mV resolution; SO-8 package fits compact sensor signal conditioning boards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit micropower ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7822U | 2.7–5.25V supply; 1.25μs conversion time; SPI-compatible 4-wire interface; no shutdown mode. | Higher speed but higher 1.25mA active current; lacks ultra-low shutdown current for long-term battery use. | Select when faster sampling (>200ksps) is required and power budget permits >1mA active draw. |
| MAX11100ASA+ | 2.7–3.6V supply; 12-bit resolution; 1.5μs conversion; 1.5μA shutdown current; SPI interface. | Higher resolution and speed, but 1.5μA shutdown is 1500× higher than LTC1096LIS8#TRPBF's 1nA. | Select when 12-bit precision is mandatory and system can tolerate higher shutdown leakage. |
Compared with ADS7822U and MAX11100ASA+, the LTC1096LIS8#TRPBF uniquely balances sub-100μA active current, 1nA shutdown, differential input, and SO-8 footprint-making it optimal for multi-year battery-powered sensing where resolution beyond 8 bits is unnecessary.
Availability
LTC1096LIS8#TRPBF is available at Aetrix Electronics and suitable for battery gas gauging, remote temperature monitoring, and isolated data acquisition requiring stable component supply across extended product lifecycles.
Supply support for LTC1096LIS8#TRPBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, formed through the acquisition of Linear Technology in 2017.
The LTC1096LIS8#TRPBF belongs to ADI's legacy Linear Technology micropower precision ADC family, designed specifically for ultra-low-power sensor interfacing in portable, remote, and energy-harvesting systems.
FAQ
What is the minimum supply voltage required for reliable operation of the LTC1096LIS8#TRPBF?
The LTC1096LIS8#TRPBF requires a minimum supply voltage of 2.65V for guaranteed specification compliance across –40°C to +85°C. Operation below this voltage may result in increased total unadjusted error, reduced sampling rate, or failure to complete conversions. The device is rated for 2.65V to 4.0V, making it compatible with single Li-ion or two-series alkaline cells without regulation.
Does the LTC1096LIS8#TRPBF support true differential input measurements?
Yes, the LTC1096LIS8#TRPBF supports true differential input measurements between its +IN and –IN pins. This allows rejection of common-mode noise and measurement of signals referenced to a non-ground potential. The analog input range is –0.05V to VCC + 0.05V on both pins, enabling accurate acquisition of floating sensor outputs such as Wheatstone bridge configurations.
How does the shutdown mode of the LTC1096LIS8#TRPBF reduce power consumption?
The LTC1096LIS8#TRPBF enters shutdown mode when the CS/SHDN pin is driven high, disconnecting internal power rails and reducing supply current to 1nA typical. This is achieved via internal bias circuitry that gates off current paths to the SAR core, sample-and-hold, and serial interface. Wake-up requires only 10μs after CS falls before the first CLK edge, enabling rapid resumption of conversion.
Can the LTC1096LIS8#TRPBF operate with an external reference voltage lower than 2.5V?
No-the LTC1096LIS8#TRPBF is characterized and specified for use with a 2.5V reference voltage when operating at VCC = 2.65V. The datasheet specifies total unadjusted error, linearity, and offset performance only for VREF = 2.5V under those conditions. Using a lower reference may degrade accuracy beyond ±1.5LSB and is not guaranteed by specifications.
What is the maximum clock frequency supported by the LTC1096LIS8#TRPBF at 2.65V supply?
At VCC = 2.65V, the LTC1096LIS8#TRPBF supports a maximum clock frequency of 250kHz. This corresponds to a minimum total cycle time of 58μs and enables a maximum sampling rate of 16.5kHz. Exceeding 250kHz may cause timing violations in setup/hold windows and increase conversion error beyond the guaranteed ±1.5LSB total unadjusted error.
LTC1096LIS8#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- microPOWER™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 8
- Sampling Rate (Per Second):
- 33k
- Number of Inputs:
- 1
- Input Type:
- Differential, Single Ended
- Data Interface:
- SPI
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 2.65V ~ 4V
- Voltage - Supply, Digital:
- 2.65V ~ 4V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 8-SO
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC1096LIS8#TRPBF FAQ
1.How can I place an order for LTC1096LIS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1096LIS8#TRPBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LTC1096LIS8#TRPBF reliable?
The price and inventory of LTC1096LIS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1096LIS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC1096LIS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1096LIS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1096LIS8#TRPBF?
LTC1096LIS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1096LIS8#TRPBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LTC1096LIS8#TRPBF?
For technical support, including LTC1096LIS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1096LIS8#TRPBF requirements.
6.How does Aetrix verify that LTC1096LIS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC1096LIS8#TRPBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LTC1096LIS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC1096LIS8#TRPBF?
All LTC1096LIS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1096LIS8#TRPBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LTC1096LIS8#TRPBF part is unused and in its original packaging.
Return procedure for LTC1096LIS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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