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Analog Devices Inc. LTC1096ACN8#PBF
- Part No.:
- LTC1096ACN8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
LTC1096ACN8#PBF.pdf
- Description:
- IC ADC 8BIT SAR 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,235
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Product details
Overview
LTC1096ACN8#PBF from Analog Devices (formerly Linear Technology) is a micropower 8-bit successive-approximation analog-to-digital converter with integrated sample-and-hold, single differential analog input, and 3-wire serial interface. It draws only 80 μA during conversion at 5 V, drops to 1 nA in shutdown, achieves ±0.5 LSB total unadjusted error over temperature, and operates from 3 V to 9 V supply - used in battery monitoring and isolated sensor interfaces.
For engineers reviewing the LTC1096ACN8#PBF datasheet, LTC1096ACN8#PBF pinout, LTC1096ACN8#PBF application, or LTC1096ACN8#PBF equivalent, key selection criteria include its 16 μs conversion time, 33 kHz max sampling rate, 8-pin PDIP package, differential input architecture, and micropower shutdown capability for ultra-low-power embedded sensing.
Technical Context
The LTC1096ACN8#PBF implements a switched-capacitor SAR ADC architecture with on-chip sample-and-hold and internal bias generation. Its differential input stage supports ratiometric operation and direct connection to transducers with common-mode voltages up to VCC, enabling high-impedance sensor interfacing without external amplification.
It uses a synchronous 3-wire serial interface (CS/, CLK, DOUT) with data shifted out on CLK falling edges. Chip select controls power state: CS = low enables active conversion and serial transfer; CS = high forces 1 nA shutdown current and places DOUT in high-impedance state.
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 Current (Active) | 80 μA max at 5 V - enables multi-year operation from coin-cell batteries in remote telemetry nodes. |
| Supply Current (Shutdown) | 1 nA typical - eliminates quiescent drain in sleep-mode systems such as wake-on-event sensors. |
| Conversion Time | 16 μs - supports real-time sampling of signals up to 33 kHz without pipeline latency. |
| Total Unadjusted Error | ±0.5 LSB over temperature - ensures <0.2% full-scale accuracy without calibration in industrial temperature ranges. |
| Analog Input Type | Single-ended differential (IN+, IN–) - accepts floating inputs and rejects common-mode noise up to VCC. |
| Reference Interface | External VREF pin - allows flexible scaling (e.g., 2.5 V, 5 V) and ratiometric measurement with sensor excitation. |
Pinout & Package
Package: 8-Lead Plastic DIP (N8), through-hole, 0°C to 70°C operating temperature range.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: CS/SHDN | Chip Select / Shutdown Control | Active-low enable; high disables internal circuitry and forces DOUT into Hi-Z - primary power-gating signal for system-level energy management. |
| 2: +IN | Differential Analog Input (Non-Inverting) | High-impedance input (25 pF) accepting 0 V to VCC+0.05 V - directly interfaces thermocouples, bridge sensors, or current-sense resistors. |
| 3: –IN | Differential Analog Input (Inverting) | Matches +IN in impedance and noise rejection - enables true differential measurement with common-mode rejection. |
| 4: GND | Analog Ground Reference | Must connect directly to low-impedance analog ground plane - separates noise-sensitive analog paths from digital return currents. |
| 5: VREF | External Reference Voltage Input | Defines full-scale range; supports 2.5 V to 5 V references - enables precision ratiometric sensing when paired with same-supply excitation. |
| 6: DOUT | Serial Data Output | CMOS-compatible output shifting MSB-first on CLK falling edge - connects directly to MCU GPIO or UART RX pins without level-shifting. |
| 7: CLK | Serial Shift Clock Input | Accepts 25–500 kHz clock; timing-critical for setup/hold (400 ns tsuDI, 150 ns thDI) - determines maximum achievable sampling rate. |
| 8: VCC | Positive Supply Voltage | 3 V to 9 V operation; requires local 1 μF bypass to GND - powers analog core, reference buffer, and digital interface from single rail. |
Key Features
| Feature | Design Value |
|---|---|
| Micropower Active Mode | 80 μA max supply current at 5 V enables >10-year battery life in 1-sample-per-second data loggers. |
| Ultra-Low Shutdown Current | 1 nA typical shutdown current eliminates standby drain - critical for maintenance-free IoT endpoints. |
| Differential Input Architecture | True differential input (IN+/IN–) rejects common-mode noise and supports floating sensor sources without level-shifting. |
| Integrated Sample-and-Hold | On-chip S/H eliminates need for external components - reduces BOM count and PCB area in compact sensor nodes. |
| 3-Wire Serial Interface | CS/, CLK, DOUT interface requires only three MCU pins - simplifies firmware integration and isolates digital noise from analog section. |
| Wide Supply Range | 3 V to 9 V operation accommodates diverse power architectures - works with Li-ion, alkaline, or regulated 5 V rails without LDO overhead. |
Applications
| Battery Monitoring | Isolated Data Acquisition |
|---|---|
|
Use Scenario: Measuring cell voltage in multi-cell lithium-ion packs with shared ground reference but varying potential between cells. IC Role / Device Role / Timing Role: Differential ADC captures voltage across individual cells while rejecting common-mode offset caused by stack voltage. Use Value: Enables accurate SOC estimation using ±0.5 LSB error and 16 μs conversion - no external op-amps or isolation amplifiers required. |
Use Scenario: Transmitting sensor data across opto-isolators or digital isolators in industrial PLC I/O modules. IC Role / Device Role / Timing Role: Low-pin-count 3-wire interface minimizes isolator channel count; micropower mode reduces isolated-side power budget. Use Value: 1 nA shutdown current and 80 μA active draw allow isolated microcontrollers to manage power gating without auxiliary regulators. |
| Temperature Measurement | Remote Data Acquisition |
|
Use Scenario: Reading thermistor or RTD bridges in environmental monitoring nodes powered by solar-charged batteries. IC Role / Device Role / Timing Role: External VREF pin enables ratiometric measurement - reference and sensor share same excitation source, canceling supply drift. Use Value: ±0.5 LSB TUE over temperature eliminates need for per-unit calibration - reduces manufacturing test time and cost. |
Use Scenario: Wireless sensor nodes deployed in inaccessible locations (e.g., structural health monitoring, utility metering). IC Role / Device Role / Timing Role: Single-supply 3 V–9 V operation interfaces directly with energy-harvesting PMUs; shutdown mode extends deployment interval. Use Value: 16 μs conversion time and 33 kHz sampling support burst-mode acquisition before RF transmission - maximizes sensor data fidelity per battery charge. |
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 | 8-bit SAR ADC with SPI interface, 2.7–5.25 V supply, 1.25 mW active power (vs. 0.4 mW for LTC1096ACN8#PBF at 5 V), no differential input. | Requires external op-amp for differential sensing; higher supply current limits battery life in ultra-low-power designs. | Select when SPI compatibility with existing MCU peripherals outweighs micropower advantage and differential input need. |
| MAX11100ASA+ | 8-bit SAR ADC with internal reference, 2.7–3.6 V supply, 12 μA active current, pseudo-differential input (single-ended with REFIN). | Fixed 3.3 V operation excludes 5 V or 9 V systems; lacks true differential input - limits common-mode rejection in noisy environments. | Select for space-constrained 3.3 V systems where internal reference simplifies layout, and common-mode noise is minimal. |
Compared with ADS7822U and MAX11100ASA+, the LTC1096ACN8#PBF delivers superior micropower performance (80 μA vs. >100 μA), true differential input for noise immunity, and wider supply flexibility (3–9 V), making it optimal for battery-powered, floating-sensor, and mixed-rail industrial applications.
Availability
LTC1096ACN8#PBF is available at Aetrix Electronics and suitable for battery monitoring, isolated data acquisition, and remote sensor node applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for LTC1096ACN8#PBF 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. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors.
The LTC1096 series belongs to Linear's legacy micropower precision ADC product line, designed specifically for ultra-low-power sensor interfacing in portable, remote, and energy-constrained systems.
FAQ
What is the maximum sampling frequency supported by the LTC1096ACN8#PBF?
The LTC1096ACN8#PBF supports a maximum sampling frequency of 33 kHz under recommended operating conditions (VCC = 5 V, fCLK = 500 kHz). This corresponds to a 16 μs conversion time and is guaranteed over the full 0°C to 70°C temperature range. At lower clock frequencies or reduced supply voltages, the maximum sampling rate decreases proportionally - e.g., 16.5 kHz at 3 V operation.
Does the LTC1096ACN8#PBF require an external reference voltage?
Yes, the LTC1096ACN8#PBF requires an external reference voltage applied to the VREF pin. It accepts reference voltages from 2.5 V to 5 V (with VCC ≥ VREF), enabling ratiometric measurements when the reference and sensor excitation share the same supply. No internal reference is provided - this design choice preserves accuracy and flexibility across diverse sensor configurations.
How does the shutdown mode work on the LTC1096ACN8#PBF?
The LTC1096ACN8#PBF enters shutdown mode when the CS/SHDN pin is driven high. In this state, internal circuitry is disabled, supply current drops to 1 nA typical, and the DOUT pin transitions to high-impedance. Wake-up requires a 10 μs delay from CS falling edge to the first CLK falling edge before valid data appears - a timing constraint that must be observed in firmware initialization sequences.
Can the LTC1096ACN8#PBF interface directly with a microcontroller's GPIO pins?
Yes, the LTC1096ACN8#PBF is designed for direct GPIO interfacing: its digital inputs (CS/, CLK) accept standard CMOS logic levels (VIH = 2.0 V min at 5 V), and its DOUT output drives CMOS-compatible voltages (VOH = 4.5 V min, VOL = 0.4 V max at 5 V, 1.6 mA sink). No level-shifting or buffering is needed for 3.3 V or 5 V MCUs - simplifying hardware design and reducing BOM cost.
What is the analog input voltage range specification for the LTC1096ACN8#PBF?
The analog input range for the LTC1096ACN8#PBF is –0.05 V to VCC + 0.05 V on both IN+ and IN– pins. This allows operation with input signals slightly below ground or above VCC, enabled by internal clamping diodes. For guaranteed 0 V to VCC full-scale operation, VCC must be ≥ 4.95 V when using a 5 V reference - ensuring correct code mapping across the entire span without clipping.
LTC1096ACN8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- microPOWER™
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- 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:
- 3V ~ 9V
- Voltage - Supply, Digital:
- 3V ~ 9V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 8-PDIP
- Mounting Type:
- Through Hole
- Grade:
- -
- Qualification:
- -
LTC1096ACN8#PBF FAQ
1.How can I place an order for LTC1096ACN8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1096ACN8#PBF 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 LTC1096ACN8#PBF reliable?
The price and inventory of LTC1096ACN8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1096ACN8#PBF is usually 5 days.
3.What payment methods are accepted for LTC1096ACN8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1096ACN8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1096ACN8#PBF?
LTC1096ACN8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1096ACN8#PBF 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 LTC1096ACN8#PBF?
For technical support, including LTC1096ACN8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1096ACN8#PBF requirements.
6.How does Aetrix verify that LTC1096ACN8#PBF is sourced from the original manufacturer or authorized distributors?
All LTC1096ACN8#PBF 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 LTC1096ACN8#PBF meets industry standards.
7.What is the process for return or replacement of LTC1096ACN8#PBF?
All LTC1096ACN8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1096ACN8#PBF, 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 LTC1096ACN8#PBF part is unused and in its original packaging.
Return procedure for LTC1096ACN8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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