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Texas Instruments ADS5522IPAPG4
- Part No.:
- ADS5522IPAPG4
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-TQFP Exposed Pad
- Datasheet:
-
ADS5522IPAPG4.pdf
- Description:
- IC ADC 12BIT 80MSPS 64-HTQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ADS5522IPAPG4 from Texas Instruments is a 12-bit, 80 MSPS pipeline analog-to-digital converter (ADC) with integrated sample-and-hold, internal voltage reference, and parallel CMOS-compatible digital outputs. It operates from a single 3.3-V supply, delivers 69.7 dBFS SNR at 100 MHz input, and features 2.3-VPP differential analog input range for high-fidelity signal acquisition in demanding RF receiver chains.
For engineers reviewing the ADS5522IPAPG4 datasheet, ADS5522IPAPG4 pinout, ADS5522IPAPG4 application, or ADS5522IPAPG4 equivalent, key selection considerations include its 64-pin HTQFP PowerPAD package, 17.5-clock-cycle latency, serial programming interface (SEN/SCLK/SDATA), differential clock inputs (CLKP/CLKM), and support for straight binary or two's complement output formats via DFS pin control.
Technical Context
The ADS5522IPAPG4 employs a fully differential pipeline architecture with on-chip linear S&H and internal reference (REFP/REFM = 1 V to 2.15 V), enabling direct connection to high-bandwidth RF front-ends without external reference buffering. Its timing core supports 80 MSPS sampling with aperture jitter of 300 fs and 1 ns aperture delay, synchronized to CLKOUT with programmable polarity.
Digital interface includes 12-bit parallel CMOS outputs (D0–D11), output enable (OE), over-range flag (OVR), and a three-wire serial configuration port supporting register writes in 16-bit words. The device implements digital error correction and offers test modes (all-0, all-1, toggle) accessible via serial register control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - defines quantization step size of ~0.24 mV at 2.3-VPP full-scale input |
| Sample Rate | 80 MSPS - supports Nyquist bandwidth up to 40 MHz for real-signal sampling or complex baseband capture |
| SNR @ 100 MHz fIN | 69.7 dBFS - determines effective noise floor of –70.3 dBm in 50-Ω system at full scale |
| SFDR @ 100 MHz fIN | 83 dBc - enables detection of small signals ≥83 dB below strong interferers in wideband receivers |
| Analog Input Range | 2.3 VPP differential - matches standard RF transformer or balun outputs without attenuation or gain stages |
| Power Dissipation | 541 mW at 3.3 V - enables thermal management on 4-layer PCBs using PowerPAD ground pad (θJC = 2.99 °C/W) |
| Latency | 17.5 clock cycles - fixes deterministic data-to-output delay critical for closed-loop timing in radar or comms systems |
Pinout & Package
ADS5522IPAPG4 is housed in a 64-pin HTQFP PowerPAD™ package (PAP designation), featuring an exposed thermal pad soldered to analog ground for low-thermal-resistance heat dissipation. Package dimensions: 10 mm × 10 mm × 1.4 mm, with 0.5-mm pitch leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| INP / INM | Differential analog input | Accepts 2.3-VPP balanced signal; requires matched trace routing and 50-Ω source impedance for ≤750-MHz analog bandwidth |
| CLKP / CLKM | Differential sampling clock input | Supports sine-wave or LVDS clock; 1–3 VPP amplitude, 50% duty cycle required for <300-fs aperture jitter |
| D0–D11 | Parallel digital output bus | CMOS-compatible 12-bit word; timing referenced to CLKOUT rising edge (configurable via DFS pin) |
| CLKOUT | Output clock | CMOS-level clock synchronized to data; used for latch timing in FPGA/ASIC interfaces |
| OE | Output enable | Active-high control; outputs enter high-Z state when deasserted; 1000-clock-cycle stabilization after assertion |
| DFS | Data format select | Configures output coding (straight binary/two's complement) and CLKOUT polarity (rising/falling edge valid) |
| SEN / SCLK / SDATA | Serial programming interface | Three-wire SPI-like bus; loads 16-bit registers on falling SCLK edges while SEN is low |
| RESET | Hardware reset | Active-high asynchronous reset; minimum 2-µs pulse width; internal 200-kΩ pull-up to AVDD |
| OVR | Over-range indicator | Active-high flag signaling analog input exceeding ±1.15 V differential swing |
| CM | Common-mode output | 1.55-V nominal output; must be connected to analog input common-mode reference point |
| REFP / REFM | Internal reference terminals | Provide 1.15-V reference span; require 1-µF capacitor + 1-Ω resistor to AGND per TI layout guidelines |
| IREF | Reference current set | 56.2-kΩ resistor to AGND sets internal bias current; no capacitors allowed |
| AVDD / AGND | Analog power/ground | 12× AVDD pins and 14× AGND pins minimize IR drop and ground bounce in high-speed conversion |
| DRVDD / DRGND | Digital output power/ground | Separate 3.3-V domain isolates digital switching noise from analog section |
Key Features
| Feature | Design Value |
|---|---|
| Integrated voltage reference | Eliminates external reference IC and associated decoupling, reducing BOM count and layout area by ≥3 components |
| 17.5-clock-cycle deterministic latency | Enables precise time-of-arrival measurement in pulsed radar and TDD systems without variable pipeline delay compensation |
| Serial programming interface | Allows runtime reconfiguration of output format, test modes, and power-down state without changing hardware connections |
| PowerPAD thermal package | Reduces junction-to-case thermal resistance to 2.99 °C/W, permitting continuous 541-mW operation on standard 4-layer PCBs |
| Differential clock and analog inputs | Rejects common-mode noise >60 dB up to 100 MHz, improving SNR in noisy mixed-signal environments |
Applications
| Wireless Base Station Receiver | Radar Signal Acquisition |
|---|---|
Use Scenario: Digitizing IF signals from zero-IF or low-IF radio architectures in LTE/5G macrocell base stations. IC Role / Device Role / Timing Role: Primary ADC in receive chain, converting 70–150 MHz bandpass signals with minimal added noise or distortion. Use Value: 83 dBc SFDR at 100 MHz enables simultaneous reception of weak user signals amid strong adjacent-channel interferers. | Use Scenario: Capturing pulsed RF returns in L-band or S-band phased-array radar front-ends. IC Role / Device Role / Timing Role: High-speed digitizer synchronizing to chirp timing with fixed 17.5-cycle latency for accurate range bin alignment. Use Value: 69.7 dBFS SNR preserves dynamic range needed to resolve low-RCS targets against clutter background. |
| Test & Measurement Equipment | Medical Ultrasound Beamforming |
Use Scenario: Front-end digitization in broadband oscilloscopes and spectrum analyzers requiring ≥80 MSPS real-time sampling. IC Role / Device Role / Timing Role: Core ADC providing calibrated amplitude accuracy and harmonic-free response for metrology-grade measurements. Use Value: ±0.3% gain error and –1.5 to +1.5 LSB INL ensure traceable amplitude linearity across full temperature range. | Use Scenario: Channel-level digitization in portable ultrasound systems with multi-element transducer arrays. IC Role / Device Role / Timing Role: Low-power, high-SNR ADC capturing 5–15 MHz echo signals with minimal thermal load on handheld battery packs. Use Value: 541 mW total power enables integration of 8–16 channels within thermal envelope of compact form factor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS5521IPAP | 12-bit, 105 MSPS; higher sample rate but 0.5 dB lower SNR (69.2 dBFS) at 100 MHz | Better suited for wider instantaneous bandwidth needs where SNR margin is acceptable | Select when system requires >80 MSPS sampling and can tolerate slightly reduced spurious performance |
| ADS5542IPAP | 14-bit, 80 MSPS; 2-bit higher resolution but 30% higher power (700 mW) and larger 80-pin package | Preferred for precision instrumentation requiring ENOB >12 bits at lower frequencies | Choose when DC accuracy, INL (<±0.5 LSB), and SNR >72 dBFS outweigh size and power constraints |
Compared with ADS5522IPAPG4, ADS5521IPAP trades 0.5 dB SNR for 25 MSPS higher throughput, while ADS5542IPAP adds 2-bit resolution at cost of 159 mW extra power and incompatible 80-pin footprint-making ADS5522IPAPG4 optimal for space-constrained, thermally sensitive 80 MSPS designs.
Availability
ADS5522IPAPG4 is available at Aetrix Electronics and suitable for wireless infrastructure, radar signal processing, and test equipment requiring stable component supply, long-term production continuity, and industrial-temperature-grade reliability.
Supply support for ADS5522IPAPG4 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 high-performance data converters for industrial, automotive, and communications markets.
The ADS5522IPAPG4 belongs to TI's ADS5500 product family of high-speed pipeline ADCs designed specifically for communication receivers, base station infrastructure, and instrumentation demanding >70 dBFS SNR at >80 MSPS with minimal board space.
FAQ
What is the absolute maximum analog input voltage for ADS5522IPAPG4?
The ADS5522IPAPG4 specifies an absolute maximum analog input voltage of –0.3 V to min(AVDD + 0.3 V, 3.6 V) relative to AGND. For AVDD = 3.3 V, this limits safe differential input swing to ≤3.6 VPP. Inputs exceeding 2.3 VPP require series resistors ≥25 Ω per pin to limit overshoot duty cycle to <5% for transient protection.
Does ADS5522IPAPG4 support both straight binary and two's complement output formats?
Yes, ADS5522IPAPG4 supports both output formats. The DFS pin selects format and CLKOUT polarity: logic-high DFS enables straight binary with rising-edge CLKOUT valid, while logic-low DFS configures two's complement with falling-edge CLKOUT valid, as defined in Table 3 of the SBAS320C datasheet.
How is the internal reference configured on ADS5522IPAPG4?
The ADS5522IPAPG4 uses an internal reference with REFP = 2.15 V and REFM = 1.0 V, yielding a 1.15-V reference span. Per TI layout guidance, each terminal requires a 1-µF capacitor in series with a 1-Ω resistor connected to AGND; IREF must be pulled to AGND via a 56.2-kΩ resistor with no capacitance.
What is the purpose of the OVR pin on ADS5522IPAPG4?
The OVR (over-range) pin on ADS5522IPAPG4 is an active-high open-drain output that asserts when the differential analog input exceeds ±1.15 V (i.e., >2.3 VPP full-scale range). It provides real-time saturation detection for automatic gain control or signal-clipping diagnostics without requiring post-processing analysis.
Can ADS5522IPAPG4 operate with separate analog and digital supplies?
Yes, ADS5522IPAPG4 uses independent analog (AVDD/AGND) and digital output (DRVDD/DRGND) power domains. AVDD powers the analog core and reference; DRVDD powers the 12-bit CMOS output buffers. This separation reduces digital switching noise coupling into the analog path, preserving SNR and SFDR performance.
ADS5522IPAPG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 64-TQFP Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 80M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 3V ~ 3.6V
- Voltage - Supply, Digital:
- 3V ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 64-HTQFP (10x10)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADS5522IPAPG4 FAQ
1.How can I place an order for ADS5522IPAPG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS5522IPAPG4 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 ADS5522IPAPG4 reliable?
The price and inventory of ADS5522IPAPG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS5522IPAPG4 is usually 5 days.
3.What payment methods are accepted for ADS5522IPAPG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS5522IPAPG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADS5522IPAPG4?
ADS5522IPAPG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS5522IPAPG4 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 ADS5522IPAPG4?
For technical support, including ADS5522IPAPG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS5522IPAPG4 requirements.
6.How does Aetrix verify that ADS5522IPAPG4 is sourced from the original manufacturer or authorized distributors?
All ADS5522IPAPG4 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 ADS5522IPAPG4 meets industry standards.
7.What is the process for return or replacement of ADS5522IPAPG4?
All ADS5522IPAPG4 units undergo pre-shipment inspection (PSI). If there is an issue with ADS5522IPAPG4, 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 ADS5522IPAPG4 part is unused and in its original packaging.
Return procedure for ADS5522IPAPG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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