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Analog Devices Inc. LTC1417AIGN#TRPBF
- Part No.:
- LTC1417AIGN#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
LTC1417AIGN#TRPBF.pdf
- Description:
- IC ADC 14BIT SAR 16SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,690
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Product details
Overview
LTC1417AIGN#TRPBF from Analog Devices (formerly Linear Technology) is a 14-bit, 400ksps successive-approximation analog-to-digital converter with serial I/O, differential high-impedance analog inputs, internal 2.5V reference, and dual power 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) at 200kHz input - enabling precision data acquisition in isolated industrial sensors and telecom front-ends.
For engineers reviewing the LTC1417AIGN#TRPBF datasheet, LTC1417AIGN#TRPBF pinout, LTC1417AIGN#TRPBF application, or LTC1417AIGN#TRPBF equivalent, key selection criteria include unipolar/bipolar input range flexibility (0–4.096V or ±2.048V), 2.25µs max conversion time, 20mW typical power dissipation at 400ksps, and compatibility with microprocessor/DSP serial interfaces via BUSY/CONVST/RD control signals.
Technical Context
The LTC1417AIGN#TRPBF implements a capacitor-based successive approximation register (SAR) 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.
Timing is controlled by asynchronous CONVST edge-triggering, with BUSY signaling conversion status and RD enabling serial output drivers. The device supports both internal clock mode (9.4MHz CLKOUT) and external clock synchronization (up to 9MHz EXTCLKIN), ensuring deterministic latency for real-time signal processing loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 distinct digital codes for high-fidelity waveform digitization |
| Sampling Rate | 400ksps - supports Nyquist-limited baseband capture up to 200kHz with 81dB S/(N+D) |
| INL / DNL | ±1.25LSB / ±1LSB max - ensures monotonicity and <0.0076% full-scale linearity error across –40°C to +85°C |
| Power Dissipation | 20mW typ (unipolar) - enables low-thermal-load deployment in dense PCB layouts without forced cooling |
| Analog Input Range | 0V to 4.096V (unipolar) or ±2.048V (bipolar) - matches standard DAC reference voltages and eliminates level-shifting circuitry |
| Reference | Internal 2.500V ±20mV (±10ppm/°C tempco) - reduces BOM count and improves long-term gain stability vs external references |
| Aperture Jitter | 5ps RMS - limits sampling uncertainty to <0.03° phase error at 100kHz, preserving SNR in undersampling applications |
Pinout & Package
Package: 16-lead narrow-body SSOP (0.150" width), SO-8 footprint compatible, RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN+ | Differential analog input (+) | Accepts 0–4.096V (unipolar) or ±2.048V (bipolar); 14pF input capacitance in sample mode |
| AIN– | Differential analog input (–) | Common-mode referenced to AIN+; enables rejection of noise coupled equally to both inputs |
| VREF | 2.500V reference output | Stable internal reference; requires 1µF bypass to AGND for optimal noise performance |
| REFCOMP | 4.096V reference output | Provides precise scaling for unipolar full-scale; bypass with 10µF tantalum + 0.1µF ceramic |
| AGND / DGND | Analog/digital ground | Separate ground pins minimize digital switching noise coupling into analog path |
| CONVST | Active-low conversion start | Falling edge initiates SAR cycle; must remain low ≥40ns; timing-critical for deterministic latency |
| BUSY | Conversion status indicator | Active-low open-drain output; asserts during conversion; used for handshaking with FIFO/DSP |
| RD | Serial data read enable | Controls DOUT driver state and selects Nap/Sleep shutdown mode when SHDN = low |
| DOUT | Serial data output | MSB-first 14-bit word; valid after BUSY↑ with 7–12ns setup; compatible with SPI-compatible shift clocks |
| SHDN | Power shutdown control | Low activates Nap (750µA) or Sleep (0.1µA) mode depending on RD logic level |
Key Features
| Feature | Design Value |
|---|---|
| Dual shutdown modes | Nap mode (750µA) enables sub-microsecond wake-up; Sleep mode (0.1µA) supports battery-backed standby |
| Differential input architecture | 65dB CMRR over 0–2.048V common-mode range reduces need for external instrumentation amplifiers |
| Onboard precision reference | 2.500V ±20mV output with ±10ppm/°C tempco eliminates external reference IC and trimming resistors |
| Low acquisition time | 150–500ns acquisition window allows direct drive from low-Z sources without buffer amplifiers |
| No missing codes | Guaranteed over full temperature range (–40°C to +85°C) ensures reliable measurement integrity in harsh environments |
Applications
| Industrial Process Monitoring | Telecom Baseband Receiver |
|---|---|
Use Scenario: Digitizing 4–20mA loop outputs and thermocouple signals in PLC analog input modules. IC Role / Device Role / Timing Role: Precision ADC capturing slow-varying sensor data with DC accuracy and low drift. Use Value: ±1.25LSB INL and no missing codes ensure traceable calibration compliance per IEC 61000-4 standards. |
Use Scenario: Sampling IF signals at 100–200kHz in wireless infrastructure receivers before digital demodulation. IC Role / Device Role / Timing Role: High-SNR ADC providing clean baseband samples for FPGA-based FFT processing. Use Value: 81dB S/(N+D) and –95dB THD preserve EVM in QAM-64 systems operating near Nyquist limit. |
| Isolated Data Acquisition Systems | Audio Test & Measurement Equipment |
Use Scenario: Galvanically isolated voltage/current sensing in motor drives using opto-coupled or capacitive isolators. IC Role / Device Role / Timing Role: Isolated-side ADC interfacing to isolated µC via serial link; low power minimizes isolated supply load. Use Value: 20mW dissipation and Nap/Sleep modes reduce heat generation and extend isolation barrier lifetime. |
Use Scenario: Capturing audio band signals (20Hz–20kHz) in benchtop analyzers requiring >90dB dynamic range. IC Role / Device Role / Timing Role: High-fidelity ADC front-end with differential input rejecting ground-loop noise in lab setups. Use Value: 14-bit resolution and 65dB CMRR suppress hum and interference, enabling accurate THD+N measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed precision ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8326IPW | 16-bit, 500ksps, SPI interface only; no internal reference; requires external 2.5V ref; higher power (35mW) | Higher resolution but lacks bipolar input support and integrated reference; needs additional ref IC and decoupling | Choose when 16-bit resolution is mandatory and system can accommodate external reference design complexity |
| MAX1166BCAP+ | 14-bit, 250ksps, internal reference; SPI-only; no bipolar mode; smaller 12-pin TQFN package | Lower sampling rate and no ±2.048V input option; unsuitable for dual-supply signal chains | Choose for space-constrained unipolar-only designs where 250ksps suffices and thermal budget is tighter |
Compared with ADS8326IPW and MAX1166BCAP+, the LTC1417AIGN#TRPBF uniquely combines integrated bipolar/unipolar input ranges, internal 2.5V reference, and dual shutdown modes - reducing component count and layout area while maintaining 400ksps throughput and guaranteed monotonicity across industrial temperature range.
Availability
LTC1417AIGN#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 guaranteed parametric performance across –40°C to +85°C.
Supply support for LTC1417AIGN#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 LTC1417AIGN#TRPBF belongs to ADI's legacy Linear Technology precision data acquisition portfolio, designed specifically for low-power, high-accuracy sampling in space- and energy-constrained instrumentation and control systems.
FAQ
What is the operating temperature range for the LTC1417AIGN#TRPBF?
The LTC1417AIGN#TRPBF is rated for operation from –40°C to +85°C (industrial grade). All key specifications-including ±1.25LSB INL, ±1LSB DNL, and no missing codes-are guaranteed across this full range. The device uses the "I" grade suffix (as indicated in the part marking "1417AI") and has a maximum junction temperature of 110°C.
Does the LTC1417AIGN#TRPBF require an external reference?
No, the LTC1417AIGN#TRPBF includes a precision internal 2.500V reference (±20mV initial accuracy, ±10ppm/°C tempco) and a 4.096V REF COMP output. External reference operation is optional and supported via the VREF pin, but the internal reference eliminates BOM cost and board area for most applications requiring 0–4.096V or ±2.048V input ranges.
How does the LTC1417AIGN#TRPBF handle power-down modes?
The LTC1417AIGN#TRPBF offers two user-selectable shutdown modes: Nap mode (750µA quiescent current, ~500ns wake-up) activated by SHDN = low and RD = low; and Sleep mode (0.1µA quiescent current) activated by SHDN = low and RD = high. Both modes retain register state and allow rapid resumption of conversion without reinitialization.
Can the LTC1417AIGN#TRPBF operate with only a single 5V supply?
Yes, the LTC1417AIGN#TRPBF supports unipolar operation with VDD = 4.75V to 5.25V and VSS = 0V (ground), delivering a 0V to 4.096V analog input range. Bipolar operation requires VSS = –4.75V to –5.25V and enables ±2.048V input range. Absolute maximum ratings permit VDD up to +6V and VSS down to –6V, but specified performance is only guaranteed within the recommended supply ranges.
What serial interface protocol does the LTC1417AIGN#TRPBF use?
The LTC1417AIGN#TRPBF uses a proprietary synchronous serial interface-not SPI or I²C-controlled by three dedicated lines: CONVST (conversion start), BUSY (conversion status), and RD (read enable). Data appears on DOUT in MSB-first format synchronized to externally supplied SCLK (0–20MHz), with timing parameters fully specified for microprocessor and DSP interfacing.
LTC1417AIGN#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:
- -40°C ~ 85°C
- Supplier Device Package:
- 16-SSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC1417AIGN#TRPBF FAQ
1.How can I place an order for LTC1417AIGN#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1417AIGN#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 LTC1417AIGN#TRPBF reliable?
The price and inventory of LTC1417AIGN#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1417AIGN#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC1417AIGN#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1417AIGN#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1417AIGN#TRPBF?
LTC1417AIGN#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1417AIGN#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 LTC1417AIGN#TRPBF?
For technical support, including LTC1417AIGN#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1417AIGN#TRPBF requirements.
6.How does Aetrix verify that LTC1417AIGN#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC1417AIGN#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 LTC1417AIGN#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC1417AIGN#TRPBF?
All LTC1417AIGN#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1417AIGN#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 LTC1417AIGN#TRPBF part is unused and in its original packaging.
Return procedure for LTC1417AIGN#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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