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Analog Devices Inc. LTC1196-1ACS8#TRPBF
- Part No.:
- LTC1196-1ACS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LTC1196-1ACS8#TRPBF.pdf
- Description:
- IC ADC 8BIT SAR 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,097
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Product details
Overview
LTC1196-1ACS8#TRPBF from Analog Devices (formerly Linear Technology) is a high-speed, 8-bit successive approximation ADC with differential analog inputs, SO-8 package, and 1Msps sampling rate at 5V supply. It features ±1/2 LSB total unadjusted error over temperature, 3-wire serial I/O, and operates from 2.7V to 6V. Designed for compact, battery-operated data acquisition systems requiring precise ratiometric or referenced conversion.
For engineers reviewing the LTC1196-1ACS8#TRPBF datasheet, LTC1196-1ACS8#TRPBF pinout, LTC1196-1ACS8#TRPBF application, or LTC1196-1ACS8#TRPBF equivalent, key selection criteria include its differential input architecture, 1MHz sampling capability at 5V, auto-shutdown current of 1nA (shared family trait), SO-8 thermal performance (θJA = 175°C/W), and compatibility with 3V/5V logic interfaces in portable instrumentation.
Technical Context
The LTC1196-1ACS8#TRPBF implements a switched-capacitor SAR architecture with integrated sample-and-hold, supporting full-accuracy input bandwidth up to 1MHz. Its differential input stage enables rejection of common-mode noise and direct connection to floating signal sources without external amplification.
It uses a 3-wire serial interface (CS, CLK, DOUT) with MSB-first output timing, requiring no DIN line. Conversion is initiated by CS falling edge, followed by two null bits before 8-bit result output - enabling simple integration with microcontrollers, DSPs, or PLDs without additional glue logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit with no missing codes - guarantees monotonic transfer function for control-loop stability. |
| Max Sampling Rate | 1.0 MHz at VCC = 5V - supports real-time capture of signals up to ~400 kHz 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 at 5V, 1MHz - enables low-power operation while sustaining full-speed conversion. |
| Analog Input Range | Differential: –0.05V to VCC + 0.05V - allows direct interfacing to sensors with DC bias or rail-to-rail swing. |
| Reference Interface | External VREF pin - supports flexible scaling (1V–5V span) and ratiometric measurement using external precision references. |
| Conversion Time | 600 ns - defines minimum inter-conversion interval and maximum throughput in burst-mode acquisition. |
Pinout & Package
Package: 8-lead plastic SO (SO-8), 150°C max junction temperature, θJA = 175°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS (Pin 1) | Chip Select Input | Active-low enable; places device in standby when HIGH - critical for power-gating in battery systems. |
| +IN (Pin 2) | Differential Analog Input (+) | High-impedance input accepting signals up to VCC + 0.05V - enables direct sensor connection without buffer. |
| –IN (Pin 3) | Differential Analog Input (–) | Matches +IN characteristics; common-mode range extends to –0.05V - supports true differential measurement. |
| GND (Pin 4) | Analog Ground | Must connect directly to analog ground plane - separates noise-sensitive analog return from digital paths. |
| VREF (Pin 5) | External Reference Input | Defines full-scale span independently of VCC - enables accurate ratiometric sensing or precision voltage scaling. |
| DOUT (Pin 6) | Serial Data Output | MSB-first, tri-state capable - synchronizes with CLK rising edge; requires external pull-up only if interfacing with open-drain logic. |
| CLK (Pin 7) | Serial Clock Input | Accepts up to 14.4 MHz clock - determines conversion speed and data transfer timing; duty cycle ≥40% required. |
| VCC (Pin 8) | Power Supply | 2.7V–6V operation; bypassing to GND mandatory - ripple on this pin directly modulates reference accuracy and SNR. |
Key Features
| Feature | Design Value |
|---|---|
| Differential analog input | Enables common-mode noise rejection and direct measurement of floating transducer outputs without level-shifting circuitry. |
| 1V–5V programmable input span | Allows optimization of dynamic range for low-amplitude signals (e.g., thermocouples) without external gain stages. |
| 600 ns conversion time | Supports deterministic timing in real-time control loops with sub-microsecond latency requirements. |
| ±1/2 LSB total unadjusted error | Meets A-grade specification across 0°C to 70°C - reduces calibration overhead in production test and field deployment. |
| 3-wire serial interface | Eliminates need for parallel bus or DIN line - simplifies PCB routing and reduces MCU GPIO count in space-constrained designs. |
Applications
| Portable Instrumentation | Disk Drive Read Channel |
|---|---|
Use Scenario: Handheld multimeter acquiring AC/DC voltage, current, and temperature readings with <100 µs response time. IC Role / Device Role / Timing Role: Primary ADC digitizing conditioned sensor outputs; performs synchronized sampling triggered by internal timer. Use Value: Differential input rejects EMI from switching power supplies; 1Msps rate enables RMS calculation over 10k-sample windows within 10 ms. | Use Scenario: Servo position feedback loop in HDD actuator control requiring fast, repeatable analog-to-digital conversion of head position signals. IC Role / Device Role / Timing Role: High-speed acquisition front-end feeding servo processor; operates in burst mode during track seek operations. Use Value: 600 ns conversion time ensures minimal latency between position sensing and correction command issuance - improving track-following accuracy. |
| Battery-Operated Data Loggers | Compact Industrial Sensors |
Use Scenario: Remote environmental monitor logging temperature, humidity, and pressure every 10 seconds using coin-cell battery. IC Role / Device Role / Timing Role: Low-power ADC activated only during sampling intervals; remains in deep sleep between conversions. Use Value: 11 mA active current at 5V and 1nA shutdown (family-spec) extend battery life to >5 years in intermittent-use deployments. | Use Scenario: DIN-rail mounted vibration sensor measuring bearing acceleration in predictive maintenance systems. IC Role / Device Role / Timing Role: Signal conditioning interface converting piezoelectric sensor output to digital stream for FFT analysis. Use Value: 1V–5V input span accommodates varying sensor sensitivities; ±1/2 LSB error ensures repeatability across unit batches and temperature gradients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7822U | Single-ended input only; 2.7V–5.25V supply; 1Msps; SPI-compatible 3-wire interface. | Lacks differential input - requires external instrumentation amplifier for common-mode rejection. | Select when cost sensitivity outweighs need for differential signaling and board space permits external gain stage. |
| MAX1113ECM+ | 8-pin µMAX package; 2.7V–3.6V only; 1.2Msps; internal reference; no external VREF pin. | Fixed 2.5V reference limits span flexibility; smaller footprint but higher thermal resistance (θJA ≈ 220°C/W). | Select for ultra-compact 3V-only systems where external reference independence is not required. |
Compared with ADS7822U and MAX1113ECM+, the LTC1196-1ACS8#TRPBF provides unique value through its differential input architecture, externally adjustable reference, and guaranteed ±1/2 LSB error over temperature - making it optimal for precision portable instrumentation where signal integrity and calibration simplicity are critical.
Availability
LTC1196-1ACS8#TRPBF is available at Aetrix Electronics and suitable for portable instrumentation, disk drive read channels, and battery-operated data loggers requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production lots.
Supply support for LTC1196-1ACS8#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 LTC1196-1ACS8#TRPBF belongs to ADI's legacy Linear Technology precision data acquisition product line, engineered specifically for compact, high-speed, low-power 8-bit ADC applications in portable and embedded systems.
FAQ
What is the maximum clock frequency supported by the LTC1196-1ACS8#TRPBF?
The LTC1196-1ACS8#TRPBF supports a maximum clock frequency of 14.4 MHz at VCC = 5V, enabling its full 1 Msps sampling rate. At 2.7V supply, the maximum clock drops to 5.4 MHz, limiting sampling to 450 ksps. This dependency is specified in the Recommended Operating Conditions table and verified across temperature.
Does the LTC1196-1ACS8#TRPBF require an external reference voltage?
Yes, the LTC1196-1ACS8#TRPBF requires an external reference voltage applied to the VREF pin. It does not include an internal reference. The reference defines the full-scale input span and can be set from 1V to 5V, enabling flexible ratiometric or absolute measurements depending on system design.
Can the LTC1196-1ACS8#TRPBF operate from a 3V supply?
Yes, the LTC1196-1ACS8#TRPBF is fully specified for 2.7V to 6V operation. At 3V, it delivers 450 ksps maximum sampling rate, 10 mW power dissipation, and maintains ±1/2 LSB total unadjusted error over 0°C to 70°C - making it suitable for low-voltage portable systems.
What is the meaning of the "-1A" suffix in LTC1196-1ACS8#TRPBF?
The "-1A" denotes the A-grade accuracy version of the LTC1196, specifying total unadjusted error ≤ ±1/2 LSB over the full operating temperature range (0°C to 70°C). This grade is distinct from the -1B variant, which allows ±1 LSB error - confirming tighter performance consistency for precision applications.
Is the LTC1196-1ACS8#TRPBF pin-compatible with the LTC1198 series?
No, the LTC1196-1ACS8#TRPBF is not pin-compatible with LTC1198 variants. While both use SO-8 packages, the LTC1196 has VREF on Pin 5 and no DIN pin, whereas the LTC1198 uses Pin 5 as DIN and combines VCC/VREF on Pin 8. Their pin functions differ fundamentally - requiring separate PCB layouts.
LTC1196-1ACS8#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:
- -
LTC1196-1ACS8#TRPBF FAQ
1.How can I place an order for LTC1196-1ACS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1196-1ACS8#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 LTC1196-1ACS8#TRPBF reliable?
The price and inventory of LTC1196-1ACS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1196-1ACS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC1196-1ACS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1196-1ACS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1196-1ACS8#TRPBF?
LTC1196-1ACS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1196-1ACS8#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 LTC1196-1ACS8#TRPBF?
For technical support, including LTC1196-1ACS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1196-1ACS8#TRPBF requirements.
6.How does Aetrix verify that LTC1196-1ACS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC1196-1ACS8#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 LTC1196-1ACS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC1196-1ACS8#TRPBF?
All LTC1196-1ACS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1196-1ACS8#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 LTC1196-1ACS8#TRPBF part is unused and in its original packaging.
Return procedure for LTC1196-1ACS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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