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Analog Devices Inc. LTC1196-1BCS8#TRPBF
- Part No.:
- LTC1196-1BCS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LTC1196-1BCS8#TRPBF.pdf
- Description:
- IC ADC 8BIT SAR 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,062
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Product details
Overview
LTC1196-1BCS8#TRPBF from Analog Devices (formerly Linear Technology) is a high-speed, 8-bit successive approximation ADC with differential analog inputs, 1Msps sampling rate at 5V, ±1/2 LSB total unadjusted error over temperature, and SO-8 package. It operates from 2.7V to 6V, consumes 50mW at 5V, and supports ratiometric or external reference configurations for precision data acquisition in compact systems.
For engineers reviewing the LTC1196-1BCS8#TRPBF datasheet, LTC1196-1BCS8#TRPBF pinout, LTC1196-1BCS8#TRPBF application, or LTC1196-1BCS8#TRPBF equivalent, key selection criteria include its differential input architecture, 1MHz sampling capability at 5V, auto-shutdown compatibility (via external control), SO-8 thermal performance (θJA = 175°C/W), and guaranteed 8-bit no-missing-codes resolution across 0°C to 70°C.
Technical Context
The LTC1196-1BCS8#TRPBF implements a switched-capacitor SAR architecture with integrated sample-and-hold, supporting full-accuracy input bandwidth up to 1MHz. Its differential input stage accepts ±0.05V to VCC + 0.05V common-mode range and enables direct connection to signal sources without gain stages.
It uses a 3-wire serial interface (CS, CLK, DOUT) with MSB-first output, 12-clock-cycle transfer timing, and supports both internal (VCC-referenced) and external reference operation. Conversion time is fixed at 600ns (LTC1196-1 grade), independent of clock frequency within spec.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit with no missing codes guaranteed - ensures monotonicity and deterministic digital output mapping. |
| Max Sampling Rate | 1.00 MHz at VCC = 5V - enables real-time digitization of signals up to ~400kHz Nyquist bandwidth. |
| Total Unadjusted Error | ±1/2 LSB over 0°C to 70°C - eliminates need for system-level calibration in moderate-precision applications. |
| Supply Current | 11 mA typical at 5V, 1MHz sampling - defines power budget for battery- or thermally constrained designs. |
| Analog Input Range | Differential: –0.05V to VCC + 0.05V - allows floating sensor interfacing and sub-1V spans without external amplification. |
| Reference Flexibility | VREF pin accepts external reference or ties to VCC - supports ratiometric sensing or absolute voltage measurement. |
| Conversion Time | 600 ns (fixed, grade-1) - determines minimum inter-conversion dead time and maximum sustained throughput. |
Pinout & Package
Package: 8-lead plastic SO (SO-8), 175°C/W junction-to-ambient thermal resistance, lead-free finish, tape-and-reel packaging (TRPBF).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS (Pin 1) | Chip Select Input | Active-low enable; initiates conversion sequence and enables DOUT; HIGH places device in standby (no auto-shutdown). |
| +IN (Pin 2) | Differential Analog Input (+) | High-impedance input (30pF); accepts signal relative to –IN; supports DC-coupled sensor interfaces. |
| –IN (Pin 3) | Differential Analog Input (–) | High-impedance input (30pF); defines common-mode reference for +IN; enables rejection of shared noise. |
| GND (Pin 4) | Analog Ground | Must connect directly to low-impedance analog ground plane; separates analog return path from digital switching currents. |
| VREF (Pin 5) | Reference Voltage Input | Defines full-scale span; can be tied to VCC or driven by external precision reference (e.g., LT1019). |
| DOUT (Pin 6) | Serial Data Output | MSB-first, CMOS-compatible output; tri-states when CS is HIGH; requires 20pF load for specified timing. |
| CLK (Pin 7) | Serial Clock Input | Accepts 0.01–14.4 MHz clock; rising edge synchronizes DOUT data valid and DIN sampling (not used on LTC1196). |
| VCC (Pin 8) | Power Supply | 2.7V–6V operation; bypassing to GND required; powers analog core, reference buffer, and digital interface. |
Key Features
| Feature | Design Value |
|---|---|
| Differential analog input | Enables noise-rejecting measurements of floating sensors (e.g., bridge transducers) without level-shifting circuitry. |
| 1Msps sampling at 5V | Supports high-bandwidth signal capture (e.g., motor current waveforms, audio pre-processing) in space-constrained systems. |
| ±1/2 LSB total unadjusted error | Guarantees monotonic 8-bit linearity across industrial temperature range-reduces firmware compensation overhead. |
| 3-wire serial interface | Minimizes MCU GPIO usage and PCB routing complexity; compatible with SPI peripherals via software bit-banging. |
| 1V–5V input span range | Permits direct digitization of low-level signals (e.g., thermocouple outputs, MEMS sensor mV outputs) without op-amp gain stages. |
| SO-8 package with 175°C/W θJA | Enables thermal design predictability in dense layouts; validated for continuous 50mW dissipation at ambient ≤70°C. |
Applications
| Disk Drive Read Channel | Portable Instrumentation Front-End |
|---|---|
Use Scenario: Digitizing analog servo position error signals and head amplifier outputs in HDD actuator control loops. IC Role / Device Role / Timing Role: High-speed, low-latency ADC capturing 500kHz–1MHz feedback waveforms with deterministic 600ns conversion time. Use Value: Enables closed-loop bandwidth extension beyond 200kHz while maintaining 8-bit resolution for precise head positioning. |
Use Scenario: Signal conditioning chain in handheld multimeters or portable oscilloscopes measuring AC/DC voltages and currents. IC Role / Device Role / Timing Role: Primary digitizer for dual-range analog front-end, accepting differential inputs from shunt resistors or isolated amplifiers. Use Value: Eliminates external gain stages via 1V–5V programmable span and ±1/2 LSB accuracy-reducing BOM count and board area. |
| Battery-Powered Sensor Node | Industrial PLC Analog Input Module |
Use Scenario: Low-power environmental monitoring node acquiring temperature, pressure, and humidity sensor outputs. IC Role / Device Role / Timing Role: Precision ADC operating from 3.3V supply with 1.5mA typical ICC, enabling >1-year battery life in duty-cycled operation. Use Value: 10mW power at 3V and differential input reduce need for LDOs and instrumentation amps-extending runtime per charge. |
Use Scenario: Modular I/O card digitizing 4–20mA loop signals and thermocouple outputs in factory automation controllers. IC Role / Device Role / Timing Role: Isolated channel ADC with ratiometric support, referenced to stable 2.5V external reference for 0.1% system accuracy. Use Value: VREF pin flexibility and ±1/2 LSB TUE allow traceable calibration against metrology standards without per-channel trimming. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit, high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7822U | 8-bit, 250kSPS, single-ended input, SPI interface, 2.7–5.25V supply | Lacks differential input and 1Msps capability; suited for lower-bandwidth, cost-sensitive systems | Select when differential input and >500kSPS are not required; offers smaller footprint (MSOP-8) and lower ICC at reduced speed. |
| MAX11100ETE+ | 8-bit, 3Msps, pseudo-differential input, internal reference, 2.7–3.6V only | Higher speed but narrower supply range; no external VREF pin; limited to 3.6V max | Choose for ultra-high-speed 3V-only systems where external reference control is unnecessary and layout space is critical. |
Compared with ADS7822U and MAX11100ETE+, the LTC1196-1BCS8#TRPBF uniquely combines 1Msps sampling, true differential input, external VREF flexibility, and guaranteed ±1/2 LSB TUE across 0°C–70°C-making it optimal for precision, medium-speed embedded acquisition where signal integrity and calibration simplicity are prioritized.
Availability
LTC1196-1BCS8#TRPBF is available at Aetrix Electronics and suitable for disk drive read channels, portable instrumentation front-ends, and battery-powered sensor nodes requiring stable component supply, long-term manufacturability, and consistent parametric performance across production lots.
Supply support for LTC1196-1BCS8#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 technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC1196 belongs to ADI's legacy Linear Technology precision data acquisition product line, engineered for high-speed, low-power, small-footprint ADC applications in space- and power-constrained embedded systems.
FAQ
What is the guaranteed maximum sampling rate for LTC1196-1BCS8#TRPBF at 5V supply?
The LTC1196-1BCS8#TRPBF is specified for a maximum sampling frequency of 1.00 MHz at VCC = 5V, with conversion time fixed at 600 ns. This rating applies across the full 0°C to 70°C operating temperature range and is validated for the "-1" speed grade. At 2.7V, the maximum sampling rate reduces to 450 kHz due to internal timing constraints.
Does LTC1196-1BCS8#TRPBF support true differential input operation?
Yes, the LTC1196-1BCS8#TRPBF features a true differential analog input stage with dedicated +IN and –IN pins. It accepts differential signals with common-mode range from –0.05V to VCC + 0.05V and supports ratiometric or externally referenced operation. This architecture enables rejection of common-mode noise and direct interfacing with bridge sensors or isolated amplifiers without level-shifting circuitry.
What is the total unadjusted error specification for LTC1196-1BCS8#TRPBF over temperature?
The LTC1196-1BCS8#TRPBF guarantees ±1/2 LSB total unadjusted error over the full 0°C to 70°C operating temperature range. This specification includes offset, full-scale, linearity, multiplexer (not applicable to LTC1196), and hold-step errors. It is verified for both 5V and 2.7V supply conditions and forms the basis for system-level accuracy without calibration.
Can LTC1196-1BCS8#TRPBF operate with an external reference voltage?
Yes, the LTC1196-1BCS8#TRPBF provides a dedicated VREF pin (Pin 5) that accepts an external precision reference (e.g., LT1019, REF5025). When an external reference is applied, the full-scale range becomes proportional to VREF, enabling absolute voltage measurement or improved stability versus VCC-based ratiometric operation. The device supports VREF from 1V to VCC.
What package type and thermal characteristics does LTC1196-1BCS8#TRPBF use?
The LTC1196-1BCS8#TRPBF is housed in an 8-lead plastic SO (SO-8) package with lead-free finish and tape-and-reel packaging (TRPBF suffix). Its thermal resistance is θJA = 175°C/W, measured under standard JEDEC conditions. This value enables accurate junction temperature estimation in PCB layouts with standard copper pour and thermal vias.
LTC1196-1BCS8#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 8
- Sampling Rate (Per Second):
- 1M
- Number of Inputs:
- 1
- Input Type:
- Differential
- 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:
- 2.7V ~ 6V
- Voltage - Supply, Digital:
- 2.7V ~ 6V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 8-SO
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC1196-1BCS8#TRPBF FAQ
1.How can I place an order for LTC1196-1BCS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1196-1BCS8#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 LTC1196-1BCS8#TRPBF reliable?
The price and inventory of LTC1196-1BCS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1196-1BCS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC1196-1BCS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1196-1BCS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1196-1BCS8#TRPBF?
LTC1196-1BCS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1196-1BCS8#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 LTC1196-1BCS8#TRPBF?
For technical support, including LTC1196-1BCS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1196-1BCS8#TRPBF requirements.
6.How does Aetrix verify that LTC1196-1BCS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC1196-1BCS8#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 LTC1196-1BCS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC1196-1BCS8#TRPBF?
All LTC1196-1BCS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1196-1BCS8#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 LTC1196-1BCS8#TRPBF part is unused and in its original packaging.
Return procedure for LTC1196-1BCS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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