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Analog Devices Inc. LTC2436-1IGN#TRPBF
- Part No.:
- LTC2436-1IGN#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
LTC2436-1IGN#TRPBF.pdf
- Description:
- IC ADC 16BIT SIGMA-DELTA 16SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,172
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Product details
Overview
LTC2436-1IGN#TRPBF from Analog Devices (formerly Linear Technology) is a 2-channel, differential-input, micropower 16-bit No Latency ΔΣ analog-to-digital converter with integrated oscillator and 3-wire SPI/MICROWIRE-compatible interface. It delivers 0.12LSB INL, 800nV RMS noise independent of VREF, and >87dB 50Hz/60Hz notch rejection. Designed for precision sensor digitization in battery-powered instrumentation, it operates from 2.7V to 5.5V and draws only 200µA in conversion mode.
For engineers reviewing the LTC2436-1IGN#TRPBF datasheet, LTC2436-1IGN#TRPBF pinout, LTC2436-1IGN#TRPBF application, or LTC2436-1IGN#TRPBF equivalent, this page provides verified technical context, validated pin functions, confirmed design-level specifications, and real-world application mappings - all grounded in the official Linear Technology LTC2436-1 datasheet (24361f) and package marking GN.
Technical Context
The LTC2436-1IGN#TRPBF employs a third-order delta-sigma modulator with decimating FIR filter and automatic ping-pong channel selection between CH0 and CH1. Its internal oscillator eliminates external timing components and enables simultaneous 50Hz/60Hz rejection when FO is grounded.
It features true differential inputs and reference inputs with independent GND-to-VCC common-mode ranges, DC common-mode rejection >140dB, and input normal-mode rejection ≥87dB across 49Hz–61.2Hz. Conversion settles in a single digital filter cycle - delivering "no latency" output where each 19-bit data word corresponds precisely to the just-completed conversion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit with no missing codes - guarantees monotonicity and full code coverage over full input range. |
| INL | 0.12LSB max - ensures high linearity for precision weight scales and strain-gage transducers. |
| Noise | 800nV RMS, independent of VREF - enables stable low-noise performance even at reduced reference voltages. |
| Supply Current | 200µA active / 4µA autosleep - supports multi-year battery life in portable instrumentation. |
| Input Range | ±0.5 × VREF, with VREF = 0.1V to VCC - allows flexible ratiometric sensing and remote voltage measurement. |
| Common-Mode Rejection | ≥140dB DC - rejects ground shifts and supply coupling in noisy industrial environments. |
| Notch Rejection | ≥87dB at 50Hz/60Hz ±2% - eliminates mains interference without external filtering. |
Pinout & Package
Narrow SSOP-16 package (GN), 5.0mm × 6.2mm, 0.635mm pitch, with five dedicated GND pins (Pins 8, 9, 10, 15, 16) for optimal analog grounding and decoupling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC (Pin 1) | Positive supply input | 2.7V–5.5V operation; requires 10µF tantalum + 0.1µF ceramic bypass to GND. |
| REF+ / REF– (Pins 2, 3) | Differential reference inputs | Accept 0.1V–VCC differential voltage; common-mode range spans GND to VCC independently. |
| CH0+ / CH0– (Pins 4, 5) | Channel 0 differential inputs | Support bipolar input range ±0.5×VREF; absolute voltage range: GND−0.3V to VCC+0.3V. |
| CH1+ / CH1– (Pins 6, 7) | Channel 1 differential inputs | Identical electrical specs to CH0; automatic alternating selection (ping-pong) with channel ID in output. |
| GND (Pins 8, 9, 10, 15, 16) | Analog/digital ground | Five internally connected pins - must all be tied to low-impedance ground plane for noise immunity. |
| CS (Pin 11) | Active-low chip select | Wakes device from 4µA sleep; aborts data transfer if pulled high mid-read; initiates new conversion. |
| SDO (Pin 12) | 3-state serial data output | Outputs 19-bit frame (3 status + 16 data bits); tri-states when CS = HIGH. |
| SCK (Pin 13) | Bidirectional serial clock | Functions as output (internal SCK mode) or input (external SCK mode); auto-detected at power-up. |
| FO (Pin 14) | Frequency control input | GND = internal oscillator (50/60Hz rejection); driven = external clock (fEOSC = 2.56–2000kHz) for custom notch frequency. |
Key Features
| Feature | Design Value |
|---|---|
| No latency ΔΣ architecture | Digital filter settles in one cycle - output data corresponds exactly to the most recent conversion, enabling real-time multiplexed sensing. |
| Automatic ping-pong channel selection | Alternates between CH0 and CH1 without software intervention; channel ID embedded in Bit 17 of output stream. |
| Integrated oscillator with no external components | Eliminates crystals, capacitors, or resistors - reduces BOM count and layout sensitivity while guaranteeing 50/60Hz rejection. |
| True differential input and reference | Independent GND-to-VCC common-mode ranges for inputs and reference - supports remote sensing and floating bridge configurations. |
| Autocalibration per conversion | Performs offset and full-scale calibration every cycle - ensures long-term stability against temperature drift and supply variation. |
Applications
| Weight Scales | Strain-Gage Transducers |
|---|---|
Use Scenario: High-resolution load cell readout in portable or battery-powered weighing systems. IC Role / Device Role / Timing Role: Direct digitizer for mV-level bridge outputs; uses differential inputs and ratiometric reference to reject excitation drift. Use Value: 0.12LSB INL and 800nV RMS noise enable <10ppm repeatability; 4µA autosleep extends battery life to multi-year operation. |
Use Scenario: Precision measurement of mechanical stress in industrial test fixtures and structural monitoring. IC Role / Device Role / Timing Role: ADC front-end for Wheatstone bridges; leverages ±0.5×VREF input range and >140dB CMRR to suppress common-mode noise. Use Value: Simultaneous 50Hz/60Hz rejection eliminates need for external notch filters; GND-to-VCC reference common-mode allows direct connection to bridge midpoints. |
| Direct Temperature Measurement | Gas Analyzers |
Use Scenario: Cold-junction compensation and thermocouple digitization in HVAC and process control sensors. IC Role / Device Role / Timing Role: Low-drift, low-noise ADC for µV-level thermocouple outputs; uses internal autocalibration to maintain accuracy over wide temperature range. Use Value: 0.006LSB offset error and 10nV/°C offset drift ensure <0.1°C measurement stability; 2.7V operation supports single-cell Li-ion supply. |
Use Scenario: Electrochemical sensor signal conditioning in portable air quality monitors and emissions analyzers. IC Role / Device Role / Timing Role: High-precision digitizer for low-current, high-impedance sensor outputs; relies on differential input structure and 800nV noise floor. Use Value: Independent VINCM/VREFCM ranges allow optimized biasing of sensor electrodes; 16-bit resolution resolves sub-ppm gas concentration changes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit delta-sigma ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS1115IDGSR | 4-channel, I²C interface, 16-bit, 860SPS; no internal oscillator; requires external clock or MCU timing. | Lacks built-in 50/60Hz rejection; better suited for multi-channel, lower-power MCU-hosted systems than standalone sensor digitizers. | Select when I²C bus integration and channel count outweigh need for autonomous notch filtering. |
| LTC2412CGN#PBF | 24-bit, pin-compatible SSOP-16; identical pinout and interface; higher resolution but slower (15SPS vs 6.9SPS). | Same physical footprint and software interface; trades speed for resolution - not drop-in due to different conversion time and noise profile. | Select when 24-bit resolution is required and system can accommodate longer conversion cycles and higher cost. |
Compared with ADS1115IDGSR and LTC2412CGN#PBF, the LTC2436-1IGN#TRPBF uniquely combines autonomous 50/60Hz rejection, no-latency output, and micropower operation in a fixed 16-bit format - making it optimal for self-contained, mains-immune sensor nodes where timing autonomy and low quiescent current are critical.
Availability
LTC2436-1IGN#TRPBF is available at Aetrix Electronics and suitable for weight scales, strain-gage transducers, and direct temperature measurement requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for LTC2436-1IGN#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 (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and DSP technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC2436-1IGN#TRPBF belongs to Linear's precision delta-sigma ADC product line, engineered specifically for low-power, high-accuracy sensor digitization in environments demanding mains-frequency immunity and minimal external components.
FAQ
What is the operating temperature range for the LTC2436-1IGN#TRPBF?
The LTC2436-1IGN#TRPBF is rated for industrial operation from –40°C to +85°C (I-grade). This is confirmed by the 'I' suffix in the part marking '24361I' on the GN package and specified in the Absolute Maximum Ratings table of the official datasheet (24361f, p.2). The device maintains full performance across this range, including guaranteed 0.12LSB INL and ≥87dB 50Hz/60Hz rejection.
Does the LTC2436-1IGN#TRPBF require external passive components for its internal oscillator?
No, the LTC2436-1IGN#TRPBF requires no external passive components for its internal oscillator. As stated in the datasheet (24361f, p.1), "The internal oscillator requires no external frequency setting components." When FO is grounded, the device uses its highly accurate on-chip oscillator to achieve simultaneous 50Hz/60Hz rejection - eliminating crystals, capacitors, or resistors typically needed for timing stability.
How does the LTC2436-1IGN#TRPBF handle channel selection between CH0 and CH1?
The LTC2436-1IGN#TRPBF implements automatic ping-pong channel selection: it starts with CH0 at power-up and alternates between CH0 and CH1 on successive conversions. The selected channel is encoded in Bit 17 of the 19-bit output stream (LOW = CH0, HIGH = CH1), as defined in Table 1 and Figure 3 of the datasheet (24361f, pp.10–11). No register writes or external control signals are needed.
What is the function of the FO pin on the LTC2436-1IGN#TRPBF?
The FO (Frequency Oscillator) pin on the LTC2436-1IGN#TRPBF selects the conversion clock source: grounding FO enables the internal oscillator for 50Hz/60Hz rejection, while driving FO with an external clock (2.56–2000kHz) configures custom notch frequencies at fEOSC/2560 ±4%. The device auto-detects the presence of an external signal and disables the internal oscillator - a hardware-controlled mode switch requiring no firmware intervention.
Is the LTC2436-1IGN#TRPBF pin-compatible with any other Linear/Analog Devices ADCs?
Yes, the LTC2436-1IGN#TRPBF is pin-compatible with the 24-bit LTC2412 (as noted in the datasheet Features list: "Pin Compatible with the 24-Bit LTC2412"). Both use the same narrow SSOP-16 (GN) package with identical pin assignments for VCC, REF+, REF–, CH0+/CH0–, CH1+/CH1–, GND, CS, SDO, SCK, and FO - enabling direct PCB replacement where resolution requirements permit.
LTC2436-1IGN#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- microPOWER™
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 6.8
- Number of Inputs:
- 2
- Input Type:
- Differential
- Data Interface:
- SPI
- Configuration:
- MUX-ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 1
- Architecture:
- Sigma-Delta
- Reference Type:
- External
- Voltage - Supply, Analog:
- 2.7V ~ 5.5V
- Voltage - Supply, Digital:
- 2.7V ~ 5.5V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 16-SSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2436-1IGN#TRPBF FAQ
1.How can I place an order for LTC2436-1IGN#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2436-1IGN#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 LTC2436-1IGN#TRPBF reliable?
The price and inventory of LTC2436-1IGN#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2436-1IGN#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2436-1IGN#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2436-1IGN#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2436-1IGN#TRPBF?
LTC2436-1IGN#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2436-1IGN#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 LTC2436-1IGN#TRPBF?
For technical support, including LTC2436-1IGN#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2436-1IGN#TRPBF requirements.
6.How does Aetrix verify that LTC2436-1IGN#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2436-1IGN#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 LTC2436-1IGN#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2436-1IGN#TRPBF?
All LTC2436-1IGN#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2436-1IGN#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 LTC2436-1IGN#TRPBF part is unused and in its original packaging.
Return procedure for LTC2436-1IGN#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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