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Analog Devices Inc. LTC1417ACGN#TRPBF
- Part No.:
- LTC1417ACGN#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
LTC1417ACGN#TRPBF.pdf
- Description:
- IC ADC 14BIT SAR 16SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,176
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Product details
Overview
LTC1417ACGN#TRPBF from Analog Devices (formerly Linear Technology) is a low-power, 14-bit, 400ksps successive-approximation ADC with serial I/O, differential high-impedance analog inputs, internal 2.5V reference, and dual shutdown modes. It operates from single 5V or ±5V supplies, delivers ±1.25LSB INL and ±1LSB DNL over temperature, and achieves 81dB S/(N+D) and –95dB THD at 200kHz Nyquist input-enabling precision data acquisition in isolated industrial sensors and telecom front-ends.
For engineers reviewing the LTC1417ACGN#TRPBF datasheet, LTC1417ACGN#TRPBF pinout, LTC1417ACGN#TRPBF application, or LTC1417ACGN#TRPBF equivalent, key selection criteria include unipolar/bipolar input range flexibility (0V–4.096V or ±2.048V), 2.25µs max conversion time, 20mW typical power dissipation, and compatibility with microprocessor/DSP serial interfaces via BUSY/CONVST/RD control signals.
Technical Context
The LTC1417ACGN#TRPBF implements a capacitive DAC-based successive approximation architecture with integrated sample-and-hold, precision internal reference, and trim-compensated internal clock. Its differential input stage supports true bipolar operation with 65dB common-mode rejection and 10MHz full-power bandwidth, while the serial interface uses edge-triggered CONVST and RD-controlled DOUT output timing.
DC accuracy is maintained across temperature via on-chip trimming of offset and full-scale error; AC performance relies on low-aperture jitter (5psRMS), low transition noise (0.33LSBRMS), and optimized charge redistribution during hold phase. The device supports external clocking up to 9MHz and internal clock output at 9.4MHz for synchronous system timing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 distinct digital codes for high-fidelity signal digitization |
| Max Sampling Rate | 400ksps - supports real-time capture of signals up to 200kHz Nyquist bandwidth |
| INL / DNL | ±1.25LSB / ±1LSB max - ensures monotonicity and minimal code-width variation over temperature |
| Power Dissipation | 20mW typ (unipolar) - enables battery-powered or thermally constrained embedded systems |
| S/(N+D) | 81dB at 100kHz - provides >13.4 effective bits for dynamic signal analysis |
| THD | –95dB at 200kHz - minimizes harmonic contamination in audio and spectrum instrumentation |
| Analog Input Range | 0V to 4.096V (unipolar) or ±2.048V (bipolar) - matches standard reference voltages without external scaling |
| Conversion Time | 1.8–2.25µs - allows tight timing margins in high-throughput acquisition loops |
Pinout & Package
Package: 16-lead narrow SSOP (0.150" body width, SO-8 footprint compatible).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN+ | Differential analog input (+) | Accepts high-impedance voltage source; sampled simultaneously with AIN– for CMRR |
| AIN– | Differential analog input (–) | Enables true bipolar operation and noise rejection; grounded for single-ended use |
| VREF | 2.50V reference output | Stable internal reference; requires 1µF bypass to AGND for low-noise operation |
| REFCOMP | 4.096V reference output | Provides precise full-scale reference for unipolar mode; bypass with 10µF + 0.1µF |
| CONVST | Active-low conversion start | Falling edge initiates SAR cycle; must remain low ≥40ns for valid conversion |
| BUSY | Conversion status indicator | Active-low open-drain output; signals when DOUT data is ready and valid |
| RD | Serial data read enable | Controls DOUT driver state and selects Nap/Sleep shutdown mode with SHDN |
| SHDN | Power shutdown control | Low activates shutdown; Nap (RD=0V) enables fast wake-up; Sleep (RD=5V) minimizes leakage |
| DOUT | Serial data output | MSB-first 14-bit word synchronized to SCLK falling edge; tri-state controlled by RD |
| EXTCLKIN | External clock input | Drives internal logic when pulled to 5V; accepts 0.05–9MHz external clocks for timing flexibility |
Key Features
| Feature | Design Value |
|---|---|
| No missing codes over temperature | Guarantees monotonic transfer function from –40°C to 85°C, critical for closed-loop control integrity |
| Dual shutdown modes (Nap/Sleep) | Nap mode draws 750µA and wakes in 500ns; Sleep draws 0.1µA for ultra-low-power standby |
| Internal 2.5V reference with ±10ppm/°C tempco | Eliminates external reference IC; maintains <±5LSB full-scale drift over 0°C–70°C range |
| Differential high-Z analog inputs | Input capacitance of 14pF (sample) / 3pF (hold) reduces drive requirements and simplifies anti-alias filtering |
| Onboard sample-and-hold with 150–500ns acquisition time | Supports direct connection to op amps with ≥10MHz closed-loop bandwidth; avoids external S/H circuitry |
| Serial interface with BUSY/CONVST/RD handshaking | Enables deterministic timing with FIFOs, DSPs, or microcontrollers without polling or complex firmware |
Applications
| Industrial Process Monitoring | Telecom Baseband Receiver |
|---|---|
Use Scenario: Digitizing 4–20mA sensor outputs and thermocouple signals in PLC analog input modules. IC Role / Device Role / Timing Role: Precision ADC capturing slow-varying DC-coupled industrial signals with high linearity and low drift. Use Value: ±1.25LSB INL and ±1LSB DNL ensure accurate representation of small process changes; internal reference eliminates calibration drift. | Use Scenario: Converting baseband I/Q signals in wireless infrastructure receivers before digital downconversion. IC Role / Device Role / Timing Role: High-SNR, low-THD sampling front-end operating at 400ksps with 81dB S/(N+D) at 100kHz. Use Value: –95dB THD preserves signal fidelity for adjacent-channel interference rejection; 200kHz Nyquist supports wideband modulation schemes. |
| Isolated Data Acquisition Systems | Audio Test & Measurement Equipment |
Use Scenario: High-voltage isolation barriers in medical or energy metering systems using opto- or capacitive isolators. IC Role / Device Role / Timing Role: Low-power, galvanically isolated ADC placed on secondary side with serial data transmission across barrier. Use Value: 20mW dissipation minimizes heat buildup in isolated enclosures; Nap mode enables rapid wake-on-event response. | Use Scenario: High-resolution spectral analysis in audio analyzers requiring low distortion and stable reference. IC Role / Device Role / Timing Role: Reference-grade ADC capturing test tones with minimal harmonic generation and aperture jitter. Use Value: 5psRMS aperture jitter and –95dB THD enable accurate THD+N measurements below 0.002%; 2.5V internal reference ensures repeatability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-precision, serial-output ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8325IPW | 16-bit, 100ksps, SPI interface only; no BUSY signal; higher 35mW power | Lower throughput but higher resolution; lacks dedicated RD/CONVST handshaking | Select when 16-bit resolution outweighs speed and when SPI-only interface suffices |
| MAX1166ECM+ | 14-bit, 250ksps, internal reference only (2.048V); no bipolar input support | Unipolar-only operation; smaller 12-pin µMAX package; no external clock option | Select for space-constrained unipolar designs where 250ksps is sufficient and bipolar range not needed |
Compared with ADS8325IPW and MAX1166ECM+, the LTC1417ACGN#TRPBF offers superior throughput (400ksps vs ≤250ksps), flexible unipolar/bipolar input configuration, and robust hardware handshaking (BUSY/CONVST/RD) ideal for deterministic real-time systems.
Availability
LTC1417ACGN#TRPBF is available at Aetrix Electronics and suitable for industrial process monitoring, telecom baseband receivers, and isolated data acquisition systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for LTC1417ACGN#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 semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LTC1417ACGN#TRPBF belongs to ADI's legacy Linear Technology precision data converter family, designed specifically for high-accuracy, low-power, serial-interface applications in demanding industrial and instrumentation environments.
FAQ
What is the operating temperature range of the LTC1417ACGN#TRPBF?
The LTC1417ACGN#TRPBF is rated for 0°C to 70°C ambient operation (Commercial grade). Its specifications-including ±1.25LSB INL, ±1LSB DNL, and 81dB S/(N+D)-are guaranteed across this full range, making it suitable for non-extended industrial environments where thermal management is controlled.
Does the LTC1417ACGN#TRPBF require an external reference voltage?
No, the LTC1417ACGN#TRPBF includes a precision trimmed 2.50V internal reference (±10ppm/°C tempco) and a 4.096V REF COMP output, eliminating the need for external references in most applications. External references may be used for enhanced accuracy or custom full-scale ranges, but are not required for standard 0V–4.096V or ±2.048V operation.
How does the Nap and Sleep shutdown mode differ in the LTC1417ACGN#TRPBF?
The LTC1417ACGN#TRPBF offers two user-selectable shutdown modes: Nap mode (SHDN = low, RD = low) draws 750µA and wakes in 500ns, enabling rapid response to events; Sleep mode (SHDN = low, RD = high) draws just 0.1µA but requires longer wake-up latency. Both reduce power versus active operation (20mW), supporting energy-sensitive portable or remote systems.
Can the LTC1417ACGN#TRPBF operate with only a single 5V supply?
Yes, the LTC1417ACGN#TRPBF supports single 5V supply operation (VDD = 4.75–5.25V, VSS = 0V), delivering a 0V to 4.096V unipolar input range. In this configuration, VSS serves as analog ground, and the internal reference and analog front-end are fully functional without negative rail-ideal for cost-sensitive, single-rail embedded systems.
What is the maximum SCLK frequency supported by the LTC1417ACGN#TRPBF?
The LTC1417ACGN#TRPBF supports SCLK frequencies up to 20MHz, enabled by a minimum 5ns setup time requirement for falling-edge data capture. At 10MHz SCLK, the device sustains full 400ksps throughput with 14-bit serial output, allowing high-speed interfacing with modern microcontrollers and FPGAs without bottlenecking the data path.
LTC1417ACGN#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 400k
- 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, Internal
- Voltage - Supply, Analog:
- ±5V, 5V
- Voltage - Supply, Digital:
- ±5V, 5V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 16-SSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC1417ACGN#TRPBF FAQ
1.How can I place an order for LTC1417ACGN#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1417ACGN#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 LTC1417ACGN#TRPBF reliable?
The price and inventory of LTC1417ACGN#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1417ACGN#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC1417ACGN#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1417ACGN#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1417ACGN#TRPBF?
LTC1417ACGN#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1417ACGN#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 LTC1417ACGN#TRPBF?
For technical support, including LTC1417ACGN#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1417ACGN#TRPBF requirements.
6.How does Aetrix verify that LTC1417ACGN#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC1417ACGN#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 LTC1417ACGN#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC1417ACGN#TRPBF?
All LTC1417ACGN#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1417ACGN#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 LTC1417ACGN#TRPBF part is unused and in its original packaging.
Return procedure for LTC1417ACGN#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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