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Texas Instruments ADS5204IPFBRG4Q1
- Part No.:
- ADS5204IPFBRG4Q1
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 48-TQFP
- Datasheet:
-
ADS5204IPFBRG4Q1.pdf
- Description:
- ADS5204-Q1 DUAL-CHANNEL, 10-BIT,
- Quantity:
- Payment:
- Shipping:
Inventory:3,916
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Product details
Overview
ADS5204IPFBRG4Q1 from Texas Instruments is a dual-channel, 10-bit, 40 MSPS automotive-qualified analog-to-digital converter (ADC) with simultaneous sample-and-hold inputs, 3.3-V single-supply operation, and programmable gain amplifiers (0–18 dB). It delivers 60-dB SNR and 73-dB SFDR at 10.5 MHz input frequency, and supports differential or single-ended analog inputs for baseband sampling in digital communications systems.
For engineers reviewing the ADS5204IPFBRG4Q1 datasheet, ADS5204IPFBRG4Q1 pinout, ADS5204IPFBRG4Q1 application, or ADS5204IPFBRG4Q1 equivalent, key selection considerations include its TQFP-48 package, dual parallel or serial bus output flexibility, internal/external reference support, standby power-down mode, and automotive-grade −40°C to +85°C temperature range.
Technical Context
The ADS5204IPFBRG4Q1 implements a dual-pipeline CMOS architecture with five-stage pipelined conversion per channel, delivering 10-bit resolution at up to 40 MSPS per channel. Each channel features independent programmable gain amplifiers (5-bit control, 0.58 dB step size) and fully differential sample-and-hold circuitry optimized for high-frequency analog inputs up to 300 MHz bandwidth.
Digital interface flexibility includes selectable single/dual parallel bus outputs (DA[9:0]/DB[9:0]), 3.3-V TTL/CMOS-compatible I/O, and a separate 20-MHz SPI-like serial control interface (SCLK/SDI/CS). Reference configuration supports internal (REFT = 2 V, REFB = 1 V) or external voltage sources, with independent power-down control (PWDN_REF) and common-mode level output (CML = AVDD/2).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution & Speed | 10-bit, dual-channel, 40 MSPS per channel - enables simultaneous digitization of two high-bandwidth signals without interleaving artifacts. |
| Dynamic Performance | 60 dB SNR / 73 dB SFDR at fIN = 10.5 MHz - meets requirements for baseband sampling in cellular infrastructure and video processing. |
| Analog Input Bandwidth | 300 MHz - supports wideband RF/IF sampling with minimal amplitude roll-off up to Nyquist (20 MHz). |
| Power Consumption | 275 mW typical at 40 MSPS - low-power operation suitable for portable instrumentation and thermally constrained automotive ECUs. |
| Reference Flexibility | Internal (1 V/2 V) or external reference support with PWDN_REF control - allows precision gain calibration and system-level reference sharing. |
| Operating Temperature | −40°C to +85°C - qualified per AEC-Q100 for automotive applications including ADAS sensor front-ends. |
| Digital Interface | 3.3-V TTL/CMOS-compatible I/O with dual-bus (DA/DB) or single-bus output modes - simplifies FPGA/ASIC interface design and reduces data bus contention. |
Pinout & Package
TQFP-48 package with 0.5-mm pitch, thermally enhanced exposed pad (EP), and standard JEDEC MO-220 footprint. Pin 1 marked by dot; pin numbering follows counter-clockwise convention starting from top-left corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AVDD (27,37,41) | Analog supply input | 3.3-V analog power rail; requires local 0.1-µF ceramic decoupling to AVSS for noise-sensitive ADC core. |
| A+/A−, B+/B− (38,39,34,35) | Differential analog inputs | High-impedance switched-capacitor inputs supporting ±1-V differential or single-ended swing; CML biasing recommended. |
| REFT/REFB (31,30) | Reference voltage terminals | Define full-scale range (VREFT − VREFB); internally set to 2 V / 1 V or user-programmable with external sources. |
| CLK (47) | Master sampling clock input | Accepts 40 MHz or 80 MHz single-ended clock referenced to AVDD/AVSS to minimize digital noise coupling. |
| DA[9:0] / DB[9:0] (14–23, 2–11) | Parallel digital outputs | 10-bit LSB-aligned outputs; DA carries primary or combined A+B data; DB active only in dual-bus mode. |
| COUT / COUT (26,25) | Data latch clocks | Complementary 40-MHz (or 80-MHz) strobes synchronized to pipeline latency; used to capture valid data on DA/DB buses. |
| STBY / PWDN_REF (42,33) | Power management controls | STBY = HIGH powers down entire device (<175 µW); PWDN_REF = HIGH disables internal references only. |
| SCLK/SDI/CS (46,44,29) | Serial configuration interface | 20-MHz SPI-compatible bus for PGA gain, output format (two's complement/unsigned), and timing mode setup. |
Key Features
| Feature | Design Value |
|---|---|
| Dual simultaneous sample-and-hold | Enables true time-aligned acquisition across two channels-critical for phase-coherent I/Q demodulation and stereo signal capture. |
| Programmable gain amplifier (0–18 dB) | 5-bit per-channel control with 0.58-dB steps allows dynamic input scaling to maximize ENOB across varying signal amplitudes. |
| Flexible reference architecture | Shared internal references improve gain/offset matching between channels; external reference option supports system-level calibration. |
| Low-latency pipeline modes | Configurable 4- or 8-clock-cycle latency (depending on MODE/SELB) enables deterministic timing for real-time closed-loop control. |
| Automotive qualification | AEC-Q100 Grade 2 compliance ensures reliability in engine bay, infotainment, and ADAS environments with extended thermal cycling. |
Applications
| Baseband Sampling in Cellular Infrastructure | Portable Test & Measurement Equipment |
|---|---|
Use Scenario: Digitizing I/Q baseband signals from RF transceivers in LTE femtocells and small-cell base stations. IC Role / Device Role / Timing Role: Dual-channel ADC capturing synchronized in-phase and quadrature components at 40 MSPS with <1.5-LSB INL matching. Use Value: 300-MHz analog bandwidth and 60-dB SNR preserve EVM performance for 64-QAM signals; PGA compensates for variable LNA gain stages. |
Use Scenario: High-speed waveform capture in handheld oscilloscopes and spectrum analyzers with battery-powered operation. IC Role / Device Role / Timing Role: Low-power dual ADC front-end enabling 20-MHz real-time bandwidth with simultaneous channel acquisition. Use Value: 275-mW total power and standby mode (<175 µW) extend battery life; TQFP-48 package supports compact PCB layout. |
| Automotive Radar Signal Processing | Video Signal Digitization |
Use Scenario: Converting IF outputs from 77-GHz radar receivers in adaptive cruise control and blind-spot detection modules. IC Role / Device Role / Timing Role: Automotive-qualified ADC acquiring chirp return signals with precise inter-channel timing alignment for beamforming. Use Value: −40°C to +85°C operation and AEC-Q100 qualification ensure functional safety; 73-dB SFDR suppresses harmonics from fast-ramp waveforms. |
Use Scenario: Digitizing composite video, Y/C, or RGB signals in automotive infotainment displays and industrial vision systems. IC Role / Device Role / Timing Role: Dual ADC handling luminance/chrominance or left/right video streams with matched gain and offset for color fidelity. Use Value: Differential input architecture rejects common-mode noise from display cables; CML output simplifies DC biasing of video drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, 10-bit, 40 MSPS ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS5231IPFPR | Single 12-bit, 40 MSPS channel; no PGA; higher 70-dB SFDR but no dual simultaneous sampling. | Best for higher-resolution single-signal capture where channel correlation is not required. | Select when resolution >10 bits is critical and dual-channel simultaneity is unnecessary. |
| ADS5270IPFPR | Dual 12-bit, 40 MSPS; integrated digital decimation filter; 2.5-V supply; no internal reference or PGA. | Suitable for oversampled systems requiring post-processing filtering, but lacks analog gain control and automotive qualification. | Choose for DSP-centric architectures needing on-chip decimation, accepting non-automotive qualification and fixed gain. |
Compared with ADS5204IPFBRG4Q1, ADS5231IPFPR trades dual-channel simultaneity and PGA for higher resolution, while ADS5270IPFPR adds digital filtering at the cost of analog flexibility and automotive compliance-making ADS5204IPFBRG4Q1 uniquely suited for time-aligned, gain-adaptive, automotive-grade dual-signal acquisition.
Availability
ADS5204IPFBRG4Q1 is available at Aetrix Electronics and suitable for automotive radar front-ends, portable instrumentation, and digital communications baseband sampling requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADS5204IPFBRG4Q1 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and automotive ICs, with decades of expertise in high-performance data converters and automotive electronics.
The ADS5204IPFBRG4Q1 belongs to TI's automotive-qualified high-speed ADC product line, designed specifically for time-critical, multi-channel signal acquisition in ADAS, infotainment, and vehicle networking systems.
FAQ
What is the maximum analog input frequency supported by the ADS5204IPFBRG4Q1?
The ADS5204IPFBRG4Q1 specifies a 300-MHz analog input bandwidth, defined as the frequency at which the sampled input signal is 3 dB down from unity gain. This enables accurate digitization of signals up to 20 MHz (Nyquist for 40 MSPS) with minimal amplitude distortion, and supports undersampling applications for IF signals in communications systems. The bandwidth is limited by input switch impedance and requires proper 25-Ω series termination and 15-pF differential capacitance at A+/A− and B+/B− for optimal performance.
Does the ADS5204IPFBRG4Q1 support both differential and single-ended analog inputs?
Yes, the ADS5204IPFBRG4Q1 supports both configurations. In differential mode, A+ and A− (or B+ and B−) accept complementary signals with ±1-V swing and deliver best dynamic performance (60-dB SNR, 73-dB SFDR). In single-ended mode, one input (e.g., A+) carries the signal while the other (A−) is biased at CML (AVDD/2), achieving full-scale 2-Vp-p swing. Both modes maintain the same 10-bit resolution and 40 MSPS rate, with CML output simplifying biasing in either case.
How does the programmable gain amplifier (PGA) function in the ADS5204IPFBRG4Q1?
The ADS5204IPFBRG4Q1 integrates two independent PGAs-one per channel-with 0-dB to 18-dB gain range in 0.58-dB steps, controlled via 5-bit serial register writes. Gain settings are resynchronized to the internal 40-MHz conversion clock to prevent analog glitches during sampling. This allows real-time adaptation to varying input amplitudes without interrupting data flow, improving effective number of bits (ENOB) across diverse signal conditions while maintaining channel-to-channel gain matching within 0.025% of full scale.
What reference options are available for the ADS5204IPFBRG4Q1?
The ADS5204IPFBRG4Q1 offers internal and external reference modes. Internally, it generates VREFT = 2.0 V and VREFB = 1.0 V (differential = 1.0 V), with dedicated decoupling recommendations (0.1-µF caps between REFT/REFB and AVSS). Externally, users can apply custom voltages to REFT and REFB, provided PWDN_REF is driven HIGH to disable internal references. This flexibility supports system-level calibration, shared reference rails, and optimized full-scale ranges for specific sensor interfaces.
Is the ADS5204IPFBRG4Q1 pin-compatible with other devices in the ADS52xx family?
No, the ADS5204IPFBRG4Q1 is not pin-compatible with other ADS52xx-series ADCs. Its TQFP-48 pinout is unique to the ADS5204, with specific placement of dual data buses (DA/DB), complementary latch clocks (COUT/COUT), and reference/control pins (REFT/REFB/PWDN_REF/STBY). Substituting with ADS5231 or ADS5270 would require PCB redesign due to differing pin counts (64-pin QFN), signal assignments, and power domain partitioning-confirming ADS5204IPFBRG4Q1 as a standalone solution for dual-channel, PGA-equipped, automotive ADC applications.
ADS5204IPFBRG4Q1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 48-TQFP
- Packaging:
- Bulk
- Product Status:
- Active
- Number of Bits:
- 10
- Sampling Rate (Per Second):
- 40M
- Number of Inputs:
- 2
- Input Type:
- Differential, Single Ended
- Data Interface:
- Parallel
- Configuration:
- PGA-S/H-ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 2
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 0V ~ 3.6V
- Voltage - Supply, Digital:
- 3.3V
- Features:
- PGA, Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 48-TQFP (7x7)
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- AEC-Q100
ADS5204IPFBRG4Q1 FAQ
1.How can I place an order for ADS5204IPFBRG4Q1 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS5204IPFBRG4Q1 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 ADS5204IPFBRG4Q1 reliable?
The price and inventory of ADS5204IPFBRG4Q1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS5204IPFBRG4Q1 is usually 5 days.
3.What payment methods are accepted for ADS5204IPFBRG4Q1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS5204IPFBRG4Q1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADS5204IPFBRG4Q1?
ADS5204IPFBRG4Q1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS5204IPFBRG4Q1 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 ADS5204IPFBRG4Q1?
For technical support, including ADS5204IPFBRG4Q1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS5204IPFBRG4Q1 requirements.
6.How does Aetrix verify that ADS5204IPFBRG4Q1 is sourced from the original manufacturer or authorized distributors?
All ADS5204IPFBRG4Q1 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 ADS5204IPFBRG4Q1 meets industry standards.
7.What is the process for return or replacement of ADS5204IPFBRG4Q1?
All ADS5204IPFBRG4Q1 units undergo pre-shipment inspection (PSI). If there is an issue with ADS5204IPFBRG4Q1, 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 ADS5204IPFBRG4Q1 part is unused and in its original packaging.
Return procedure for ADS5204IPFBRG4Q1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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