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Analog Devices Inc. LTC1410ISW#PBF
- Part No.:
- LTC1410ISW#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 28-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
LTC1410ISW#PBF.pdf
- Description:
- IC ADC 12BIT SAR 28SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,532
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Product details
Overview
LTC1410ISW#PBF from Analog Devices (formerly Linear Technology) is a 12-bit, 1.25 Msps successive-approximation ADC with differential input, internal ±2.5V bipolar range, 71 dB S/(N+D) at Nyquist, and dual shutdown modes (7 mW Nap, 10 µW Sleep). It integrates a precision 2.5 V reference, sample-and-hold, and µP-compatible parallel interface - used in high-speed data acquisition and DSP front-ends.
For engineers reviewing the LTC1410ISW#PBF datasheet, LTC1410ISW#PBF pinout, LTC1410ISW#PBF application, or LTC1410ISW#PBF equivalent, key selection criteria include its 20 MHz full-power bandwidth, no-pipeline-delay output timing, ±1 LSB INL/DNL over temperature, true differential common-mode rejection (60 dB), and SO Wide 28-pin package compatibility with industrial-grade operation (–40°C to +85°C).
Technical Context
The LTC1410ISW#PBF employs a capacitor-based successive approximation register (SAR) architecture with an internal differential sample-and-hold that acquires signals within 100 ns and supports single-ended or differential drive. Its internal 2.5 V bandgap reference features ±15 ppm/°C tempco and is accessible at VREF (Pin 3), while REFCOMP (Pin 4) requires 10 µF tantalum + 0.1 µF ceramic bypassing for stability.
Digital interface uses asynchronous control: CS enables the device, CONVST falling edge initiates conversion, BUSY indicates active conversion (data valid on BUSY rising edge), and RD latches outputs. There is zero pipeline delay - output reflects the conversion started by the most recent CONVST edge, with guaranteed 800 ns throughput time.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit with no missing codes - guarantees monotonicity and full code coverage for precision measurement. |
| Sampling Rate | 1.25 Msps maximum - supports Nyquist-limited input frequencies up to 625 kHz with verified 71 dB S/(N+D). |
| INL / DNL | ±1 LSB max over temperature - ensures accurate code transition spacing and end-point linearity for calibration-sensitive systems. |
| Input Range | ±2.5 V differential - enables direct interfacing with op-amp-driven sensor signals without external level-shifting. |
| Power Modes | Nap (7 mW) and Sleep (10 µW) - selectable via SHDN/NAP-SLP pins for dynamic power scaling in battery or thermally constrained designs. |
| Full-Power BW | 20 MHz - allows undersampling of RF or IF signals beyond Nyquist while maintaining amplitude fidelity. |
| Common-Mode Rejection | 60 dB - suppresses ground-loop noise and EMI when measuring small differential signals in noisy environments. |
Pinout & Package
Package: 28-lead plastic SO Wide (SW), 0.300-inch body width, standard JEDEC MS-013AC footprint. Thermal resistance θJA = 95°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| +AIN (1) | Differential analog input positive | Accepts ±2.5 V input; sampled simultaneously with –AIN for true differential acquisition. |
| –AIN (2) | Differential analog input negative | Enables common-mode noise rejection; may be grounded for single-ended use. |
| VREF (3) | 2.5 V reference output | Internally trimmed bandgap source; can be overdriven or replaced with external reference (2.25–2.75 V). |
| REFCOMP (4) | Reference amplifier compensation | Must be bypassed to AGND with 10 µF + 0.1 µF for stability and low-noise operation. |
| AGND (5) | Analog ground reference | Single-point star ground for analog section; must tie DGND and OGND here to minimize noise coupling. |
| D11–D4 (6–13) | MSB-aligned parallel data outputs | Three-state, TTL/CMOS-compatible; driven only when CS = RD = LOW. |
| DGND (14) | Digital logic ground | Internal logic return; must connect to AGND at single point to prevent digital noise injection. |
| D3–D0 (15–18) | LSB-aligned parallel data outputs | Completes 12-bit bus; D11 is MSB, D0 is LSB; output format is two's complement binary. |
| OGND (19) | Output driver ground | Separate return for output buffers; ties to AGND to isolate switching noise from analog paths. |
| NAP/SLP (20) | Shutdown mode select | High = Nap mode (fast wake-up, 7 mW); Low = Sleep mode (ultra-low power, 10 µW). |
| SHDN (21) | Shutdown enable input | Active-low; invokes selected mode (Nap or Sleep) when pulled LOW; wake-up time ≤200 ns. |
| RD (22) | Data read strobe | Active-low; enables output drivers and latches data on BUSY rising edge - no pipeline delay. |
| CONVST (23) | Conversion start trigger | Falling-edge sensitive; initiates SAR cycle; minimum pulse width 40 ns. |
| CS (24) | Chip select | Active-low; must be LOW for CONVST and RD to be recognized; enables internal logic. |
| BUSY (25) | Conversion status indicator | Active-low open-drain output; goes HIGH at conversion completion - data valid on rising edge. |
| VSS (26) | Negative supply (–5 V) | Requires 10 µF + 0.1 µF bypass to AGND; absolute max –6 V. |
| DVDD (27) | Positive digital supply (5 V) | Shorted internally to AVDD; bypass with 10 µF + 0.1 µF to AGND; absolute max 6 V. |
| AVDD (28) | Positive analog supply (5 V) | Shared with DVDD; supplies analog core and reference; same bypassing requirements. |
Key Features
| Feature | Design Value |
|---|---|
| Zero-pipeline-delay architecture | Delivers conversion result from the most recent CONVST edge without latency - critical for real-time closed-loop control. |
| Dual low-power shutdown modes | Reduces average system power by >99% during idle periods while retaining sub-µs wake-up capability. |
| Integrated 2.5 V reference with ±15 ppm/°C tempco | Eliminates external reference IC and trimming components - reduces BOM count and layout area. |
| 20 MHz full-power analog input bandwidth | Supports direct digitization of IF signals up to 20 MHz without external anti-alias filtering in undersampling applications. |
| 60 dB analog input common-mode rejection | Enables clean measurement of millivolt-level differential sensor outputs in electrically noisy industrial environments. |
| True differential input with simultaneous sampling | Preserves phase coherence between +AIN and –AIN - essential for accurate power metering and motor current sensing. |
Applications
| Telecommunications Baseband Processing | Digital Signal Processing Front-End |
|---|---|
Use Scenario: Digitizing I/Q baseband signals from quadrature demodulators in cellular infrastructure receivers. IC Role / Device Role / Timing Role: High-fidelity 12-bit sampling ADC capturing complex waveforms at 1.25 Msps with minimal harmonic distortion. Use Value: 71 dB S/(N+D) and 82 dB THD at 625 kHz Nyquist enable compliant EVM performance for LTE and 5G NR waveforms. | Use Scenario: Acquiring sensor data for real-time FFT analysis in portable spectrum analyzers and audio analyzers. IC Role / Device Role / Timing Role: Precision analog-to-digital converter feeding data directly to FPGA or DSP memory-mapped interface. Use Value: No pipeline delay and BUSY-synchronized output ensure deterministic timing for frame-based processing with zero buffer management overhead. |
| Multiplexed Industrial Data Acquisition | Imaging System Signal Chain |
Use Scenario: High-channel-count DAQ systems using multiplexed analog inputs with per-channel gain/offset calibration. IC Role / Device Role / Timing Role: Fast-settling SAR ADC with ±1 LSB linearity enabling multi-slope calibration across temperature without firmware interpolation. Use Value: 100 ns acquisition time and 20 MHz input bandwidth allow rapid settling even with high-source-impedance multiplexer outputs. | Use Scenario: Digitizing analog video or CCD/CMOS sensor outputs in medical imaging and machine vision cameras. IC Role / Device Role / Timing Role: Low-noise, low-distortion ADC capturing high-fidelity image data with precise grayscale linearity. Use Value: ±1 LSB INL and 71 dB S/(N+D) preserve fine image detail and contrast resolution across full dynamic range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8588SIPM | 16-bit, 1 Msps, SPI interface, external reference required, no integrated sample-and-hold | Higher resolution but lower speed and serial interface - better for precision static measurements than real-time streaming | Select when resolution >12-bit and SPI interface are prioritized over parallel simplicity and 1.25 Msps throughput |
| AD7960BCPZ | 18-bit, 5 Msps, LVDS output, requires external clock and reference, 200 mW typical power | Higher speed and resolution but demands more board space, layout care, and power - suited for lab-grade instrumentation | Select when SNR >90 dB and 5 Msps sampling are mandatory, and system can accommodate LVDS routing and thermal management |
Compared with ADS8588SIPM and AD7960BCPZ, the LTC1410ISW#PBF delivers optimal balance of speed (1.25 Msps), precision (±1 LSB linearity), integration (internal ref + S/H), and ease-of-use (parallel µP interface) for cost-sensitive, space-constrained industrial and telecom front-ends.
Availability
LTC1410ISW#PBF is available at Aetrix Electronics and suitable for telecommunications baseband processing, digital signal processing front-ends, and multiplexed industrial data acquisition requiring stable component supply and long-term industrial temperature support.
Supply support for LTC1410ISW#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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC1410ISW#PBF belongs to ADI's legacy Linear Technology precision data converter product line, designed specifically for high-speed, low-power, and easy-integration applications where accuracy, timing determinism, and system-level simplicity are critical.
FAQ
What is the operating temperature range for the LTC1410ISW#PBF?
The LTC1410ISW#PBF is rated for industrial operation from –40°C to +85°C. This is confirmed by the "I" grade suffix in the part number and specified in the Absolute Maximum Ratings table. The device maintains ±1 LSB INL and DNL across this full range, making it suitable for harsh-environment deployments such as factory automation and outdoor telecom equipment.
Does the LTC1410ISW#PBF require an external clock?
No, the LTC1410ISW#PBF does not require an external clock. It contains a fully integrated, factory-trimmed internal clock that guarantees 1.25 Msps sampling with 650–750 ns conversion time. This eliminates clock synchronization complexity and jitter sensitivity - a key advantage over externally clocked ADCs in µP-based systems.
Can the LTC1410ISW#PBF operate with a single +5 V supply?
No, the LTC1410ISW#PBF requires dual ±5 V supplies (AVDD = DVDD = +5 V, VSS = –5 V) to support its ±2.5 V bipolar input range and internal reference architecture. Operation outside the specified ±4.75 V to ±5.25 V range violates recommended conditions and degrades linearity and noise performance.
How does the BUSY signal function in the LTC1410ISW#PBF timing interface?
In the LTC1410ISW#PBF, BUSY is an active-low open-drain output that goes LOW during conversion and rises at completion. Data is valid on the rising edge of BUSY - there is no pipeline delay. This synchronous handshake simplifies interface timing with microprocessors and FIFOs, eliminating need for fixed wait states or additional strobes.
What is the purpose of the NAP/SLP pin on the LTC1410ISW#PBF?
The NAP/SLP pin on the LTC1410ISW#PBF selects between two low-power shutdown modes: HIGH configures Nap mode (7 mW, fast wake-up ≤200 ns), and LOW configures Sleep mode (10 µW, ultra-low quiescent current). This pin works in conjunction with SHDN to provide flexible power management for battery-powered or thermally constrained systems.
LTC1410ISW#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 28-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 1.25M
- Number of Inputs:
- 1
- Input Type:
- Differential, Single Ended
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- ±5V
- Voltage - Supply, Digital:
- 5V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 28-SOIC
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC1410ISW#PBF FAQ
1.How can I place an order for LTC1410ISW#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1410ISW#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 LTC1410ISW#PBF reliable?
The price and inventory of LTC1410ISW#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1410ISW#PBF is usually 5 days.
3.What payment methods are accepted for LTC1410ISW#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1410ISW#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1410ISW#PBF?
LTC1410ISW#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1410ISW#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 LTC1410ISW#PBF?
For technical support, including LTC1410ISW#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1410ISW#PBF requirements.
6.How does Aetrix verify that LTC1410ISW#PBF is sourced from the original manufacturer or authorized distributors?
All LTC1410ISW#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 LTC1410ISW#PBF meets industry standards.
7.What is the process for return or replacement of LTC1410ISW#PBF?
All LTC1410ISW#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1410ISW#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 LTC1410ISW#PBF part is unused and in its original packaging.
Return procedure for LTC1410ISW#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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