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Analog Devices Inc./Maxim Integrated MAX19515ETM+T
- Part No.:
- MAX19515ETM+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
MAX19515ETM+T.pdf
- Description:
- IC ADC 10BIT PIPELINED 48TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,537
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Product details
Overview
MAX19515ETM+T from Maxim Integrated is a dual-channel, 10-bit analog-to-digital converter (ADC) with 65Msps sampling rate, 60.1dBFS SNR at 70MHz, 82dBc SFDR at 70MHz, and 0.4V–1.4V input common-mode voltage range. It supports DC-coupled RF/IF front-ends in zero-IF receivers and operates from 1.8V analog supply or 2.5V–3.3V regulated AVDD.
For engineers reviewing the MAX19515ETM+T datasheet, MAX19515ETM+T pinout, MAX19515ETM+T application, or MAX19515ETM+T equivalent, this page delivers verified specifications, package mapping, functional pin roles, real-world use cases in communications and medical imaging, and two confirmed alternative parts with documented technical and application differences.
Technical Context
The MAX19515ETM+T employs a 10-stage fully differential pipelined architecture with 9-cycle latency, enabling high-speed conversion while maintaining low power. Its internal digital error correction ensures no missing codes and compensates for comparator offsets across all stages.
It supports both differential and single-ended analog inputs, differential or single-ended clock inputs, and offers programmable common-mode reference (0.45V–1.35V), output data format (two's complement/gray/offset binary), bit order reversal, and clock-divider modes (DIV1/DIV2/DIV4).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - defines quantization step size and dynamic range for baseband/IF signal digitization |
| Max Sampling Rate | 65Msps - supports Nyquist-limited bandwidth up to 32.5MHz per channel in dual mode |
| SNR @ 70MHz | 60.1dBFS - determines usable signal fidelity in wideband IF sampling applications |
| SFDR @ 70MHz | 82dBc - indicates spurious-free performance critical for multi-tone RF receiver linearity |
| Input Common-Mode Range | 0.4V to 1.4V - enables direct DC coupling to diverse RF/IF amplifiers without level-shifting circuitry |
| Analog Supply Voltage | 1.8V (or 2.5V–3.3V via integrated regulator) - reduces system-level power delivery complexity |
| Power per Channel | 43mW @ 65Msps, 1.8V - enables portable and thermally constrained instrumentation designs |
Pinout & Package
MAX19515ETM+T is housed in a 48-pin thin QFN (7mm × 7mm) with exposed pad, optimized for thermal dissipation and high-frequency analog integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| INA+, INA- | Channel A differential analog input | Accepts RF/IF signals up to >850MHz full-power bandwidth; supports AC/DC coupling |
| INB+, INB- | Channel B differential analog input | Independent second channel for I/Q sampling or dual-path acquisition |
| CLK+, CLK- | Differential clock input | Self-biased interface accepting 30–65MHz clocks; single-ended fallback if CLK− grounded |
| D0A–D9A, D0B–D9B | Dual parallel CMOS digital outputs | 10-bit per channel, configurable as dual bus or multiplexed single bus |
| DCLKA, DCLKB | Channel-specific data clock outputs | Programmable timing simplifies synchronous capture by FPGA/ASIC logic |
| SPEN | Serial/parallel mode select | Low = SPI control; high = pin-strapped configuration of output mode/format/divider |
| REFIO | Reference input/output | Supports internal 1.25V bandgap or external trimming ±5% to adjust full-scale range |
| SHDN | Active-high power-down | Reduces total supply current to <1mW; wake-up time 5ms with internal reference |
Key Features
| Feature | Design Value |
|---|---|
| Very-low-power operation | 43mW/channel at 65Msps enables battery-powered ultrasound and portable test equipment |
| Selectable data bus configuration | Dual CMOS or multiplexed CMOS output reduces PCB trace count and FPGA pin usage |
| Programmable common-mode reference | 0.45V–1.35V in 0.15V steps allows precise matching to driving amplifier output common-mode |
| DCLK output with programmable timing | Eliminates need for external clock forwarding circuitry in high-speed digital interface design |
| Out-of-range indicator (DORA/DORB) | Real-time saturation detection enables automatic gain control or clipping mitigation in closed-loop systems |
| Internal termination options | Configurable CMOS output termination avoids external resistors and improves signal integrity at 65Msps |
Applications
| Cellular Base Station IF Receiver | Ultrasound Beamforming Front-End |
|---|---|
Use Scenario: Digitizing I/Q downconverted signals from RF transceivers in macrocell and small-cell base stations. IC Role / Device Role / Timing Role: Dual-channel ADC capturing simultaneous in-phase and quadrature IF samples at 65Msps for digital demodulation. Use Value: 82dBc SFDR at 70MHz enables clean separation of adjacent channels in crowded spectrum environments. |
Use Scenario: Acquiring echo return signals from phased-array transducers in portable ultrasound systems. IC Role / Device Role / Timing Role: High-fidelity analog front-end digitizer with low-latency pipeline for real-time beam synthesis. Use Value: 60.1dBFS SNR preserves weak tissue contrast details; 43mW/channel supports fanless handheld form factors. |
| Point-to-Point Microwave Receiver | Digital Set-Top Box Tuner |
Use Scenario: Converting high-frequency IF outputs (e.g., 70–140MHz) from microwave downconverters in backhaul links. IC Role / Device Role / Timing Role: Wide-input-bandwidth ADC supporting zero-IF and high-IF architectures with minimal external filtering. Use Value: >850MHz full-power bandwidth and 0.4V–1.4V common-mode range simplify interface to GaAs/GaN IF amps. |
Use Scenario: Digitizing QAM-demodulated IF signals in cost-sensitive consumer STB tuners requiring compact layout. IC Role / Device Role / Timing Role: Low-power, pin-strappable ADC eliminating SPI controller overhead in resource-constrained SoC designs. Use Value: Parallel programming mode (via SPEN high) enables fixed-function configuration without firmware dependency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, 10-bit, 65Msps ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX19516ETM+ | 100Msps max sampling rate; identical pinout, register map, and feature set | Required for higher IF bandwidths (>50MHz) or oversampling applications | Select when system clock exceeds 65MHz or SNR/SFDR must be maintained at fIN > 70MHz |
| ADS5272IPFP | 10-bit, 65Msps, 48-QFN; lower SNR (58.5dBFS @ 70MHz); no internal voltage regulator | Lacks AVDD regulator and programmable common-mode reference; requires external 1.8V analog rail | Choose for TI ecosystem integration where regulator-free supply architecture is already established |
Compared with MAX19515ETM+T, MAX19516ETM+ offers higher speed with full compatibility, while ADS5272IPFP trades some analog flexibility for tighter TI toolchain alignment-neither is pin-compatible without layout revision due to differing power pin allocations and reference handling.
Availability
MAX19515ETM+T is available at Aetrix Electronics and suitable for cellular infrastructure, medical ultrasound, microwave backhaul, and digital TV tuner designs requiring stable component supply, RoHS-compliant packaging, and extended temperature support (-40°C to +85°C).
Supply support for MAX19515ETM+T 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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and power management ICs for demanding industrial, communications, and medical applications.
The MAX19515ETM+T belongs to Maxim's high-speed ADC product line, engineered specifically for RF/IF digitization in zero-IF and high-IF receivers where low power, wide input common-mode range, and excellent SFDR are essential.
FAQ
What is the maximum analog input frequency supported by the MAX19515ETM+T?
The MAX19515ETM+T specifies a full-power bandwidth (FPBW) of 850MHz, meaning it maintains rated SNR and SFDR performance for sinusoidal inputs up to that frequency. Dynamic performance remains usable beyond 400MHz, making the MAX19515ETM+T suitable for high-IF sampling in wireless infrastructure and test equipment.
Does the MAX19515ETM+T require an external reference voltage?
No-the MAX19515ETM+T includes an internal 1.25V bandgap reference. REFIO can be bypassed to ground with ≥0.1µF for internal operation. An external voltage (1.25V ±5%) may be applied to REFIO for fine gain adjustment, but it is not required for basic functionality of the MAX19515ETM+T.
Can the MAX19515ETM+T operate with only a 1.8V supply?
Yes-the MAX19515ETM+T supports dual supply configurations: AVDD = 1.8V for low-power operation, or AVDD = 2.5V–3.3V using its integrated self-sensing regulator. OVDD (digital output supply) operates independently from 1.8V to 3.5V, allowing flexible interfacing with 1.8V or 3.3V logic families in the same system using the MAX19515ETM+T.
How does the power-down mode function on the MAX19515ETM+T?
The MAX19515ETM+T enters power-down mode when SHDN is driven high, reducing total supply current to ≤0.9mW. Wake-up time is 5ms when using the internal reference (CREFIO = 0.1µF). This low-power state preserves configuration registers and enables rapid resumption of sampling without reinitialization of the MAX19515ETM+T.
Is the MAX19515ETM+T compatible with single-ended clock inputs?
Yes-the MAX19515ETM+T accepts single-ended clocks by grounding CLK−. In this mode, CLK+ functions as a logic-level input with thresholds of 0.3V (low) and 1.5V (high). The device retains full performance specifications including SNR and SFDR, and no configuration change is needed to enable single-ended clocking on the MAX19515ETM+T.
MAX19515ETM+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 48-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 10
- Sampling Rate (Per Second):
- 65M
- Number of Inputs:
- 2
- Input Type:
- Differential, Single Ended
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 2
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V, 2.3V ~ 3.5V
- Voltage - Supply, Digital:
- 1.7V ~ 3.5V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 48-TQFN (7x7)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX19515ETM+T FAQ
1.How can I place an order for MAX19515ETM+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX19515ETM+T 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 MAX19515ETM+T reliable?
The price and inventory of MAX19515ETM+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX19515ETM+T is usually 5 days.
3.What payment methods are accepted for MAX19515ETM+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX19515ETM+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX19515ETM+T?
MAX19515ETM+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX19515ETM+T 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 MAX19515ETM+T?
For technical support, including MAX19515ETM+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX19515ETM+T requirements.
6.How does Aetrix verify that MAX19515ETM+T is sourced from the original manufacturer or authorized distributors?
All MAX19515ETM+T 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 MAX19515ETM+T meets industry standards.
7.What is the process for return or replacement of MAX19515ETM+T?
All MAX19515ETM+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX19515ETM+T, 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 MAX19515ETM+T part is unused and in its original packaging.
Return procedure for MAX19515ETM+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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