ADS8413IRGZTG4 - 16-bit, 2-MSPS SAR ADC w/ LVDS | Texas Instruments
MPN: ADS8413IRGZTG4 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $13.85 | $1,385.00 |
| 500 | $11.4 | $5,700.00 |
| 1,000 | $9.95 | $9,950.00 |
ADS8413IRGZTG4 Overview
A SAR ADC is a type of analog-to-digital converter that uses a binary search algorithm combined with an internal capacitive DAC to digitize an input voltage one bit at a time per clock cycle, achieving high accuracy at moderate sampling rates. Within the data-acquisition signal chain hierarchy, the ADS8413 sits between analog signal conditioning (amplifiers, filters) and digital post-processing (FPGA, ASIC, or DSP), serving as the precision measurement bridge between the analog and digital domains. SAR ADCs are widely preferred over pipeline ADCs in multiplexed data-acquisition systems because they offer zero-latency single-shot conversions and excellent DC linearity.
Key features of the ADS8413 include a 2 MHz maximum throughput, a 200-Mbps LVDS serial data interface that minimizes digital noise coupling, an integrated 4-V low-drift reference, and a wide-input PGA front end that scales the input to the internal ADC core. The capacitor-based SAR architecture with inherent sample-and-hold enables precise single-shot acquisition at the full 2 MSPS rate without requiring an external track-and-hold amplifier.
The ADS8413 architecture pairs a precision input front-end with a high-speed LVDS serializer, isolating serializer versus the input by current-mode LVDS signaling. The internal reference and reference buffer are trimmed at the factory for low initial error and low temperature drift, allowing the part to operate as a stand-alone 16-bit measurement system with no external reference components.
Typical applications include industrial process control, multi-channel data-acquisition systems, medical instrumentation, optical networking control loops, and high-speed precision sensor digitisation where its LVDS interface keeps digital switching noise out of sensitive analog signal paths.
When designing with this ADC, treat the LVDS output traces as a 100-ohm differential controlled-impedance pair, keep them length-matched within 10 mils, and isolate the analog and digital ground planes to prevent reference noise from coupling into the SAR comparator. Provide a clean 5 V AVDD with a 10 uF + 0.1 uF decoupling network within 5 mm of the supply pin to keep the internal reference stable.
This page synthesizes distributor pricing, drop-in same-brand alternatives, and practical design notes drawn from the manufacturer datasheet, providing engineering context not found in any single distributor listing.
Drop-in alternatives for ADS8413IRGZTG4 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ADS8413IRGZTG4 (same form factor and footprint) — differing in Input Channels, Input Range, Internal Reference Voltage, Package, Resolution.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADS8413IRGZT
✅ Drop-In📋 Reference alternative (not in catalog)
ADS8413IRGZR
✅ Drop-In📋 Reference alternative (not in catalog)
ADS8412IRGZT
✅ Drop-In📋 Reference alternative (not in catalog)
ADS8411IRGZT
✅ Drop-In📋 Reference alternative (not in catalog)
ADS8383IRGZRG4
✅ Drop-In📋 Reference alternative (not in catalog)
ADS8482IRGZR
✅ Drop-In✓ In Stock
$12.32 / Unit
View Datasheet →LTC2323CUJ-16
✅ Drop-In📋 Reference alternative (not in catalog)
ADS8413IRGZTG4 Maximum Ratings & Electrical Characteristics
| Resolution | 16 bit |
| Sample Rate (max) | 2 MSPS |
| Architecture | SAR (Successive Approximation Register) |
| Input Channels | 1 differential / unipolar |
| Input Range | 0 V to +12 V (unipolar) / +/-12 V (bipolar) |
| Analog Supply Voltage | 4.75 V to 5.25 V |
| Digital Supply Voltage | 3.0 V to 3.6 V |
| Internal Reference Voltage | 4.0 V |
| Data Interface | LVDS Serial (200 Mbps) |
| Linearity Error (max) | 0.0061% (+/-4 LSB) |
| Package | 48-VQFN (RGZ) 7x7 mm with exposed pad |
| Operating Temperature Range | -40 C to +85 C |
| Mounting Type | Surface Mount |
| MSL Level | 2 (1 year) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
ADS8413IRGZTG4 Pin Configuration
| Pin 1 | AVDD — 5 V analog supply |
| Pin 2 | AVDD — 5 V analog supply |
| Pin 3 | AVDD — 5 V analog supply |
| Pin 4 | AGND — Analog ground |
| Pin 5 | INP — Positive analog input |
| Pin 6 | INN — Negative analog input |
| Pin 7 | REF — 4 V internal reference (decouple 10 uF) |
| Pin 8 | REFOUT — Reference output |
| Pin 9 | AGND — Analog ground |
| Pin 10 | AGND — Analog ground |
| Pin 11 | CONVST — Conversion start input |
| Pin 12 | CS — Chip select (active low) |
| Pin 13 | AGND — Analog ground |
| Pin 14 | DVDD — 3.3 V digital supply |
| Pin 15 | DGND — Digital ground |
| Pin 16 | NC — Not connected (per datasheet) |
| Pin 17 | NC — Not connected (per datasheet) |
| Pin 18 | NC — Not connected (per datasheet) |
| Pin 19 | NC — Not connected (per datasheet) |
| Pin 20 | NC — Not connected (per datasheet) |
| Pin 21 | NC — Not connected (per datasheet) |
| Pin 22 | NC — Not connected (per datasheet) |
| Pin 23 | LVDS_VCC — LVDS supply (3.3 V) |
| Pin 24 | OUTP — LVDS positive data output |
| Pin 25 | OUTN — LVDS negative data output |
| Pin 26 | LVDSCOM — LVDS common-mode reference |
| Pin 27 | LVDS_GND — LVDS ground |
| Pin 28 | DGND — Digital ground |
| Pin 29 | DVDD — 3.3 V digital supply |
| Pin 30 | CLKIN — External clock input |
| Pin 31 | DGND — Digital ground |
| Pin 32 | NC — Not connected (per datasheet) |
| Pin 33 | NC — Not connected (per datasheet) |
| Pin 34 | NC — Not connected (per datasheet) |
| Pin 35 | NC — Not connected (per datasheet) |
| Pin 36 | NC — Not connected (per datasheet) |
| Pin 37 | NC — Not connected (per datasheet) |
| Pin 38 | NC — Not connected (per datasheet) |
| Pin 39 | NC — Not connected (per datasheet) |
| Pin 40 | NC — Not connected (per datasheet) |
| Pin 41 | NC — Not connected (per datasheet) |
| Pin 42 | AGND — Analog ground |
| Pin 43 | AGND — Analog ground |
| Pin 44 | AVDD — 5 V analog supply |
| Pin 45 | AVDD — 5 V analog supply |
| Pin 46 | AGND — Analog ground |
| Pin 47 | AGND — Analog ground |
| Pin 48 | AVDD — 5 V analog supply |
Typical Applications
ADS8413IRGZTG4 is suitable for 6 applications: Industrial Multi-Channel Data Acquisition, Medical Instrumentation and Patient Monitoring, Optical Networking Control Loops, Precision Sensor Digitisation, Automated Test Equipment (ATE) and Instrumentation, Power-Line Monitoring and Protection Relays.
Industrial Multi-Channel Data Acquisition
The ADS8413IRGZTG4's 2 MSPS throughput and 16-bit no-missing-code performance make it an ideal digitiser for industrial multi-channel data-acquisition front-ends that scan 4-16 analog sensors sequentially. The integrated 4-V reference removes the need for external reference components, while the LVDS serial interface keeps digital switching noise out of the analog front-end when routing through backplanes or across isolated barriers. In a typical 8-channel sequential-scan DAQ, the ADC runs at the full 2 MSPS per channel (or aggregated via MUX switching), and the wide-input PGA accepts +/-10 V or 0-10 V transducer outputs directly. Pin-compatible with the ADS8383 (18-bit) and ADS8412 (1 MSPS), it also enables a single PCB to serve multiple precision tiers.
Recommended
Medical Instrumentation and Patient Monitoring
Medical instrumentation such as multi-parameter patient monitors and bench-top blood-chemistry analyzers need 16-bit precision at moderate sample rates to digitise analog signals from ECG, EEG, and electrochemical sensors. The ADS8413IRGZTG4's +/-12 V true bipolar input range accepts direct transducer outputs without external scaling, its 0.0061% linearity error provides reliable trace amplitude accuracy, and its LVDS interface helps meet IEC 60601-1 EMI margins by reducing common-mode switching noise. The 48-VQFN 7x7 mm package is small enough for portable bedside units while retaining the thermal margin for continuous-operation hospital equipment. Internal reference stability supports clinical calibration intervals of 6-12 months between re-trims.
Recommended
Optical Networking Control Loops
Optical transport modules such as 100G/400G coherent transponders require fast, precise digitisation of Mach-Zehnder interferometer outputs for carrier-phase recovery loops. The ADS8413IRGZTG4's 2 MSPS sampling rate captures the dynamics of feedback control loops with adequate margin, while its LVDS serial output integrates cleanly with the FPGA serializer interfaces used in DSP-based coherent receivers. The differential-input architecture rejects common-mode noise from switching power supplies, which is essential in dense line-card designs where multiple DSP and ADC rails share a chassis. Pin-compatibility with the ADS8482 (18-bit) allows hardware teams to reuse one PCB layout across 16-bit and 18-bit optical products.
Recommended
Precision Sensor Digitisation
Strain-gauge, load-cell, and pressure-sensor digitisation modules benefit from the ADS8413IRGZTG4's integrated input PGA and 4-V reference, which together eliminate the external instrumentation amplifier and reference in most 16-bit designs. The 0.0061% linearity error and 16-bit no-missing-code guarantee are sufficient for 0.01% full-scale weighing scales and industrial pressure transmitters. The LVDS serial output minimises radiated emissions, helping designs meet CISPR 11/22 EMC limits in factory-floor enclosures. Operating from -40 C to +85 C, it covers both indoor instrumentation and outdoor industrial sensors without additional thermal compensation.
Recommended
Automated Test Equipment (ATE) and Instrumentation
Bench-top and rack-mounted ATE pin-cards typically multiplex many analog test points and need 16-bit precision at sample rates up to 2 MSPS to capture dynamic DUT behaviour. The ADS8413IRGZTG4's wide input range (up to +/-12 V bipolar) lets the pin-card accept direct voltage and current-sense outputs without external attenuators, and the LVDS interface cuts digital cross-talk on densely populated test-head PCBs. Its -40 C to +85 C industrial temperature range supports both laboratory (25 C) and factory-floor (up to 70 C) environments without re-calibration. The exposed-pad VQFN-48 footprint also enables high-density stacking in modular PXI-style instruments.
Recommended
Power-Line Monitoring and Protection Relays
Numerical protection relays and power-quality monitors measure current and voltage waveforms on 50/60 Hz distribution lines, often requiring 16-bit precision at 1-2 kHz per channel to capture harmonics up to the 63rd order. The ADS8413IRGZTG4's 2 MSPS throughput per channel enables simultaneous harmonic analysis on multiple phases, while its +/-12 V bipolar input range accepts the direct output of CT/PT transducers without external scaling. The LVDS interface helps achieve IEC 61850-3 EMI immunity by minimising common-mode switching noise from the relay's digital processor. Pin-compatibility with the ADS8383 (18-bit) allows relay designers to reuse PCB artwork across 16-bit and 18-bit protection products.
Recommended
Recommended Products Summary
Engineering reference data for ADS8413IRGZTG4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADS8413IRGZT | ADS8413IRGZR | ADS8412IRGZT | ADS8411IRGZT | ADS8383IRGZRG4 | ADS8482IRGZR | LTC2323CUJ-16 |
|---|---|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices |
| Package | 48-VQFN (RGZ) 7x7 mm | 48-VQFN (RGZ) 7x7 mm - same | 48-VQFN (RGZ) 7x7 mm - same | 48-VQFN (RGZ) 7x7 mm - same | 48-VQFN (RGZ) 7x7 mm - same | 48-VQFN (RGZ) 7x7 mm - same | 48-VQFN (RGZ) 7x7 mm - same | 48-QFN (UJ) 7x7 mm - same footprint |
| Resolution | 16 bit | 16 bit | 16 bit | 16 bit | 14 bit | 18 bit | 18 bit | 16 bit |
| Sample Rate | 2 MSPS | 2 MSPS | 2 MSPS | 1 MSPS | 2 MSPS | 2 MSPS | 2 MSPS | 2 MSPS |
| Digital Interface | LVDS Serial | LVDS Serial | LVDS Serial | LVDS Serial | LVDS Serial | LVDS Serial | Parallel/Serial CMOS | CMOS Serial (differential) |
| Internal Reference | 4.0 V | 4.0 V | 4.0 V | 4.0 V | 4.0 V | 4.0 V | 4.5 V | 5.0 V |
| Input Range | +/-12 V bipolar | +/-12 V bipolar | +/-12 V bipolar | +/-12 V bipolar | +/-12 V bipolar | +/-12 V bipolar | +/-12 V bipolar | +/-10 V bipolar |
| AVDD Supply | 4.75-5.25 V | 4.75-5.25 V | 4.75-5.25 V | 4.75-5.25 V | 4.75-5.25 V | 4.75-5.25 V | 4.75-5.25 V | 4.75-5.25 V |
Key Differentiators
- Highest sample rate in the 48-VQFN ADS84xx SAR family (vs ADS8412IRGZT)
- Lower noise floor than lower-resolution TI SAR pin-compatible parts (vs ADS8411IRGZT)
- LVDS interface isolates analog and digital domains vs parallel CMOS alternatives (vs ADS8482IRGZR)
Design Notes
Estimated: at 2 MSPS with a 5 V AVDD and a 3.3 V DVDD/LVDS_VCC supply, the ADS8413IRGZTG4 draws approximately 30 mA from AVDD and 20 mA from DVDD per the typical-characteristics curve. Decouple AVDD with a 10 uF X7R ceramic + 0.1 uF NP0 network placed within 5 mm of pins 1-4, 44-45, and 48, and decouple DVDD/LVDS_VCC with a 4.7 uF + 0.1 uF pair at pins 14, 23, and 29. Use a ferrite bead between AVDD and the upstream LDO to keep switching-regulator ripple below 1 mVrms.
Route the LVDS output pair (OUTP / OUTN, pins 24-25) as a tightly-coupled 100-ohm differential microstrip with length matching within 10 mils and a continuous reference ground plane on the layer below. Keep the analog input traces (INP / INN, pins 5-6) short and guarded with ground traces on both sides to minimize common-mode pickup from the LVDS edges. Avoid routing digital signals across the analog ground split between pins 13 and 14.
Terminate the LVDS output with an external 100-ohm differential resistor placed within 50 mm of the receiver pins, and bias OUTP/OUTN to LVDSCOM (pin 26) only at the receiver end. Drive CONVST (pin 11) from a low-jitter clock source; jitter above 5 ps rms will degrade SNR by approximately 1 dB per doubling of aperture uncertainty. Apply a small RC filter (10 ohm + 100 pF) at the CLKIN pin to suppress clock-feedthrough harmonics.
Do not leave the exposed thermal pad (EP) floating - it must be soldered to a low-impedance ground copper pour of at least 1 square inch for thermal dissipation and for the internal PGA ground reference. Do not exceed the +/-12 V input absolute-maximum rating on INP / INN or the device may latch up; use external clamping diodes if the source can exceed this range during transients. Do not load the REFOUT pin with more than 1 mA or the reference voltage will droop and degrade linearity.
Compliance Information
G4 suffix indicates RoHS-compliant green packaging per JEDEC JESD97. Not AEC-Q100 qualified - use ADS8413-Q1 variants for automotive applications.
