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Analog Devices Inc. LTC1410CSW#PBF
- Part No.:
- LTC1410CSW#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 28-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
LTC1410CSW#PBF.pdf
- Description:
- IC ADC 12BIT SAR 28SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,240
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Product details
Overview
LTC1410CSW#PBF from Analog Devices (formerly Linear Technology) is a 12-bit, 1.25 Msps successive-approximation ADC with differential sample-and-hold, internal ±2.5V bipolar input range, 71 dB S/(N+D) at Nyquist, and dual shutdown modes (7 mW Nap, 10 µW Sleep). It integrates a 2.5 V precision reference, requires no external components for basic operation, and targets high-speed data acquisition in telecom and DSP systems.
For engineers reviewing the LTC1410CSW#PBF datasheet, LTC1410CSW#PBF pinout, LTC1410CSW#PBF application, or LTC1410CSW#PBF equivalent, key selection criteria include its 20 MHz full-power bandwidth, absence of pipeline delay, ±1 LSB INL/DNL over temperature, µP-compatible parallel interface with BUSY/CONVST control, and SO Wide 28-pin package compatibility with industrial-grade thermal performance.
Technical Context
The LTC1410CSW#PBF employs a capacitor-based successive approximation register (SAR) architecture with an integrated differential sample-and-hold front-end. Its 20 MHz full-power bandwidth and 60 dB common-mode rejection enable accurate acquisition of fast single-ended or differential signals up to 625 kHz without aliasing degradation.
Conversion is initiated by a falling edge on CONVST while CS is low; BUSY goes low during conversion and rises when 12-bit parallel output (D11–D0) is valid. The internal clock eliminates external timing synchronization, and the SAR logic ensures zero pipeline latency - output reflects the sampled instant, not a prior cycle.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit with no missing codes; guarantees monotonic transfer function for precise signal digitization. |
| Sampling Rate | 1.25 Msps maximum; enables real-time capture of signals up to 625 kHz (Nyquist) with guaranteed throughput time ≤800 ns. |
| S/(N + D) | 71 dB typical at 600 kHz input; corresponds to ~11.5 effective bits, critical for dynamic signal fidelity in spectrum analysis. |
| INL / DNL | ±1 LSB max over temperature; ensures accurate code spacing and end-point linearity for calibration-sensitive applications. |
| Input Range | ±2.5 V bipolar differential; supports true differential sensing to reject ground loops and common-mode noise in noisy environments. |
| Power Modes | Nap mode (7 mW), Sleep mode (10 µW); allows rapid wake-up (<200 ns) and ultra-low idle power in battery or energy-constrained systems. |
| Reference | Internal 2.500 V ±15 ppm/°C bandgap; factory-trimmed, curvature-corrected, and available at VREF pin for external buffering or override. |
Pinout & Package
Package: 28-lead plastic SO Wide (SW), 0.300-inch body width, JEDEC MS-013AC compliant. Thermal resistance θJA = 95°C/W; rated for industrial temperature range (–40°C to +85°C).
| 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 and 60 dB CMRR. |
| –AIN (2) | Differential analog input negative | Common-mode reference point; enables ground-sense configuration and noise rejection when driven differentially. |
| VREF (3) | 2.50 V reference output | Provides buffered internal reference; can be overdriven (2.25–2.75 V) for span adjustment or replaced with external LT1019A-2.5. |
| REFCOMP (4) | Reference amplifier compensation | Requires 10 µF tantalum || 0.1 µF ceramic bypass to AGND; stabilizes reference amplifier and minimizes noise. |
| AGND (5) | Analog ground reference | Single-point star ground for analog section; must tie DGND (14) and OGND (19) here to prevent digital noise coupling. |
| D11–D4 (6–13) | MSB-aligned parallel data outputs | Three-state, TTL/CMOS-compatible; active when CS and RD are low; D11 = MSB, D4 = bit 4. |
| DGND (14) | Digital logic ground | Ground return for internal control logic; must connect directly to AGND at single point to avoid ground loops. |
| D3–D0 (15–18) | LSB-aligned parallel data outputs | Completes 12-bit word; D0 = LSB; same three-state behavior as D11–D4. |
| OGND (19) | Output driver ground | Separate ground for output buffers; ties to AGND to isolate switching noise from analog core. |
| NAP/SLP (20) | Shutdown mode select | High = Nap mode (fast wake-up, 7 mW); low = Sleep mode (ultra-low power, 10 µW); sets SHDN behavior. |
| SHDN (21) | Power shutdown enable | Active-low; invokes selected Nap or Sleep mode when asserted; wake-up time ≤200 ns after deassertion. |
| RD (22) | Data read strobe | Enables output drivers when CS is low; data valid 15–35 ns after RD↓ (CL = 25 pF); controls bus access timing. |
| CONVST (23) | Conversion start trigger | Falling-edge sensitive; initiates SAR cycle; minimum pulse width 40 ns; must not reassert mid-conversion. |
| CS (24) | Chip select | Active-low enable for CONVST and RD recognition; required for microprocessor/DSP interfacing. |
| BUSY (25) | Conversion status indicator | Active-low open-drain output; falls at CONVST↓, rises when data is valid; used for handshaking with FIFOs or processors. |
| VSS (26) | Negative supply (–5 V) | Must be bypassed with 10 µF tantalum || 0.1 µF ceramic to AGND; absolute max –6 V. |
| DVDD (27) | Positive digital supply (5 V) | Shorted internally to AVDD (28); supplies digital logic and output drivers; bypass to AGND. |
| AVDD (28) | Positive analog supply (5 V) | Supplies analog core and reference; bypassed identically to DVDD; absolute max +6 V. |
Key Features
| Feature | Design Value |
|---|---|
| No pipeline delay | Output reflects the exact sampled instant (not a prior cycle), enabling deterministic timing in closed-loop control and real-time processing. |
| Differential input with 60 dB CMRR | Rejects common-mode noise and ground loop interference, allowing direct connection to transducer bridges or isolated sensor outputs. |
| Integrated 2.5 V reference with ±15 ppm/°C tempco | Eliminates external reference IC and trimming; maintains accuracy across industrial temperature range without calibration drift. |
| 20 MHz full-power bandwidth | Supports undersampling of RF/IF signals beyond Nyquist (e.g., 2–5 MHz inputs), useful in software-defined radio and spectrum monitoring. |
| µP-compatible parallel interface with BUSY handshake | Direct connection to 8051, ARM, or DSP buses without glue logic; BUSY simplifies timing and avoids polling overhead. |
Applications
| Telecommunications Baseband Processing | Digital Signal Processing Front-End |
|---|---|
Use Scenario: Digitizing I/Q baseband signals from RF mixers in cellular infrastructure equipment operating at 1–5 MHz IF. IC Role / Device Role / Timing Role: High-fidelity 12-bit sampling ADC with differential inputs and 20 MHz bandwidth captures complex waveforms without aliasing or distortion. Use Value: 71 dB S/(N+D) and 82 dB THD preserve EVM and ACLR performance; internal reference ensures stable gain across temperature in outdoor cabinets. | Use Scenario: Real-time acquisition of vibration or acoustic sensor outputs feeding an FPGA-based FFT engine for condition monitoring. IC Role / Device Role / Timing Role: Low-latency, no-pipeline-delay ADC synchronizes precisely with FPGA clock domain via CONVST/BUSY handshake. Use Value: 1.25 Msps throughput meets Nyquist for 600 kHz spectral content; ±1 LSB INL enables accurate amplitude tracking across dynamic range. |
| Multiplexed Data Acquisition Systems | Imaging System Analog Capture |
Use Scenario: Channelized acquisition in automated test equipment where 16 analog channels share one LTC1410CSW#PBF via analog multiplexer. IC Role / Device Role / Timing Role: Fast 100 ns acquisition time and 800 ns total throughput allow efficient time-division multiplexing with minimal dead time. Use Value: Differential input rejects crosstalk between adjacent channels; Nap mode reduces average power during channel idle periods. | Use Scenario: Capturing analog video or line-scan CCD outputs in medical or industrial imaging systems requiring 12-bit grayscale fidelity. IC Role / Device Role / Timing Role: Parallel 12-bit interface delivers pixel data at burst rates compatible with frame grabber memory controllers. Use Value: ±2.5 V input range matches standard video signal levels; 71 dB S/(N+D) preserves contrast and low-light detail in diagnostic images. |
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 |
|---|---|---|---|
| AD7892BRZ-1 | 12-bit, 1.25 Msps, but uses external reference only; no internal VREF; higher typical power (200 mW); SOIC-24 package. | Requires external 2.5 V reference and decoupling; lacks Nap/Sleep modes; less suitable for self-contained, low-power portable designs. | Select when external reference control is preferred and board space favors smaller SOIC-24 footprint. |
| MAX1190ECM+ | 12-bit, 1.25 Msps, internal reference (2.048 V); SPI interface only; no parallel bus; 20-pin TSSOP package. | Serial interface increases processor overhead; 2.048 V reference limits full-scale range to ±2.048 V; unsuitable for µP memory-mapped systems. | Select for space-constrained designs with SPI-capable controllers and where 2.048 V scaling aligns with system DACs. |
Compared with AD7892BRZ-1 and MAX1190ECM+, the LTC1410CSW#PBF uniquely combines internal 2.5 V reference, µP-compatible parallel interface, dual low-power shutdown, and differential input CMRR - making it optimal for industrial data loggers and telecom baseband cards requiring minimal BOM count and deterministic timing.
Availability
LTC1410CSW#PBF is available at Aetrix Electronics and suitable for telecommunications infrastructure, digital signal processing front-ends, and multiplexed data acquisition systems requiring stable component supply, long-term industrial temperature support, and consistent parametric performance across production lots.
Supply support for LTC1410CSW#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 semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LTC1410CSW#PBF belongs to ADI's legacy Linear Technology high-speed precision ADC product line, engineered for applications demanding wide bandwidth, low distortion, and seamless µP integration without external timing or reference components.
FAQ
What is the maximum sampling rate supported by the LTC1410CSW#PBF?
The LTC1410CSW#PBF supports a guaranteed maximum sampling rate of 1.25 Msps across its industrial temperature range (–40°C to +85°C). This rate is enabled by its 800 ns maximum throughput time (acquisition + conversion), and the internal clock ensures consistent timing without external synchronization. At this rate, the Nyquist frequency is 625 kHz, and AC performance remains specified - including 71 dB S/(N+D) at 600 kHz input.
Does the LTC1410CSW#PBF require external components for basic operation?
No, the LTC1410CSW#PBF requires no external components for fundamental operation: it integrates a precision 2.5 V reference, internal clock, and differential sample-and-hold. Only mandatory external elements are power supply bypass capacitors (10 µF tantalum || 0.1 µF ceramic on VDD, VSS, and REFCOMP) and proper grounding per layout guidelines. No external reference, clock source, or op-amp buffer is needed unless driving high-impedance sources or demanding enhanced noise immunity.
How does the LTC1410CSW#PBF handle differential versus single-ended analog inputs?
The LTC1410CSW#PBF natively supports both configurations. In differential mode (+AIN and –AIN driven with opposite polarity signals), it achieves 60 dB common-mode rejection and full 20 MHz bandwidth. In single-ended mode, –AIN is grounded and +AIN accepts 0–5 V or ±2.5 V (depending on reference setup), retaining full resolution but with reduced noise immunity. The sample-and-hold acquires both inputs simultaneously, preserving phase coherence essential for I/Q or bridge measurements.
What are the wake-up times and power consumption values for the LTC1410CSW#PBF shutdown modes?
The LTC1410CSW#PBF offers two shutdown modes controlled by NAP/SLP and SHDN pins. In Nap mode (NAP/SLP = high, SHDN = low), power drops to 7 mW with wake-up time ≤200 ns. In Sleep mode (NAP/SLP = low, SHDN = low), power falls to 10 µW, also with ≤200 ns wake-up. Both modes retain register state and reference bias; full performance resumes immediately after SHDN is deasserted, with no recalibration or settling delay required.
Can the LTC1410CSW#PBF be used with an external reference, and what are the voltage limits?
Yes, the LTC1410CSW#PBF supports external reference drive at the VREF pin. The internal reference can be overdriven within 2.25 V to 2.75 V for span adjustment or fully replaced - for example, with the LT1019A-2.5. Operation outside this range risks degraded linearity or increased offset error. When using an external reference, the REFCOMP pin must still be bypassed, and the reference source must sink/source ≤100 µA to maintain stability and noise performance.
LTC1410CSW#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:
- 0°C ~ 70°C
- Supplier Device Package:
- 28-SOIC
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC1410CSW#PBF FAQ
1.How can I place an order for LTC1410CSW#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1410CSW#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 LTC1410CSW#PBF reliable?
The price and inventory of LTC1410CSW#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1410CSW#PBF is usually 5 days.
3.What payment methods are accepted for LTC1410CSW#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1410CSW#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1410CSW#PBF?
LTC1410CSW#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1410CSW#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 LTC1410CSW#PBF?
For technical support, including LTC1410CSW#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1410CSW#PBF requirements.
6.How does Aetrix verify that LTC1410CSW#PBF is sourced from the original manufacturer or authorized distributors?
All LTC1410CSW#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 LTC1410CSW#PBF meets industry standards.
7.What is the process for return or replacement of LTC1410CSW#PBF?
All LTC1410CSW#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1410CSW#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 LTC1410CSW#PBF part is unused and in its original packaging.
Return procedure for LTC1410CSW#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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