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STMicroelectronics TSA1005-40IFT
- Part No.:
- TSA1005-40IFT
- Manufacturer:
- STMicroelectronics
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 48-LQFP
- Datasheet:
-
TSA1005-40IFT.pdf
- Description:
- IC ADC 10BIT PIPELINED 48TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,552
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Product details
Overview
TSA1005-40IFT from STMicroelectronics is a dual-channel, 10-bit analog-to-digital converter (ADC) fabricated in 0.25 µm CMOS, operating at 40 Msps with ENOB = 9.4 bits @ 10 MHz input and SFDR = 62.5 dBc. It features differential analog inputs, integrated voltage references per channel, and multiplexed CMOS outputs supporting 2.5 V/3.3 V logic. Designed for I/Q signal processing in ultrasound and high-speed data acquisition systems.
For engineers reviewing the TSA1005-40IFT datasheet, TSA1005-40IFT pinout, TSA1005-40IFT application, or TSA1005-40IFT equivalent, key selection criteria include simultaneous I/Q sampling latency (7.5 cycles), 1 GHz analog bandwidth, channel matching (gain match ≤ 0.04%, offset match ≤ 0.5 LSB), and TQFP48 package compatibility with legacy TSA1203/TSA1204 designs.
Technical Context
The TSA1005-40IFT implements a pipeline ADC architecture with digital error correction to maintain static linearity (INL ≤ ±1 LSB, DNL ≤ ±0.6 LSB) at 40 Msps. Each channel uses independent track-and-hold with 1 GHz analog bandwidth and supports differential input drive with common-mode voltage range of 0.41–0.50 V.
It employs synchronized clocking for simultaneous I/Q sampling, with output multiplexing onto a shared 10-bit bus (D0–D9) and tri-state OEB control. Internal references (VREFPI/VREFMI and VREFPQ/VREFMQ) simplify system design, though external reference operation is supported.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - delivers 1024 discrete amplitude levels per sample for high-fidelity signal digitization. |
| Sampling Rate | 40 Msps - enables real-time capture of signals up to 20 MHz Nyquist bandwidth. |
| ENOB | 9.4 bits @ 40 Msps, Fin = 10 MHz - effective resolution limited by noise and distortion in high-speed operation. |
| SFDR | 62.5 dBc typical @ 40 Msps - suppresses spurious tones critical for clean spectral analysis in I/Q demodulation. |
| Analog Bandwidth | 1 GHz - supports wideband RF/IF input signals without attenuation before digitization. |
| Channel Matching | Gain match ≤ 0.04%, offset match ≤ 0.5 LSB - ensures minimal image rejection degradation in quadrature receivers. |
| Power Consumption | 218.6 mW typical @ 40 Msps - balances performance and thermal management in portable instrumentation. |
Pinout & Package
Package: 48-pin TQFP (7 × 7 mm), RoHS-compliant, rated for 0 °C to +85 °C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 5, 8, 10, 12, 16, 44, 45 | AGND | Analog ground return - separate low-noise reference for analog circuitry to minimize coupling. |
| 2, 4, 9, 11, 46, 47, 48 | ANI / INBI / INQ / INBQ / INCMI / REFMI / REFPI | Differential analog inputs and reference terminals - require matched PCB routing and termination for optimal ENOB. |
| 7, 17, 44, 45 | AVCC | Analog supply (2.5 V) - must be filtered independently from digital rails to preserve SNR. |
| 18, 23, 42 | DVCC | Digital core supply (2.5 V) - powers internal logic and pipeline stages. |
| 26, 39, 41 | VCCBE / VCCBI | Digital buffer supplies (2.5 V/3.3 V) - enable level-shiftable CMOS outputs compatible with FPGA or ASIC interfaces. |
| 25, 40, 24 | GNDBE / GNDBI | Digital buffer ground - isolated from AGND/DGND to prevent switching noise injection into analog path. |
| 19, 22 | DGND | Digital ground - reference for DVCC and timing circuits. |
| 20 | CLK | CMOS clock input (2.5 V) - rising edge triggers simultaneous I/Q sampling; duty cycle 45–55% required. |
| 21 | SELECT | Channel select input - tied to CLK for interleaved I/Q output timing per timing diagram. |
| 43 | OEB | Output enable (2.5 V/3.3 V CMOS) - controls tri-state of D0–D9 bus for multi-device sharing. |
| 27–36 | D9(MSB) to D0(LSB) | Multiplexed 10-bit CMOS data bus - I-channel on rising CLK edge, Q-channel on falling CLK edge. |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous I/Q sampling | Ensures phase coherence between channels for zero-IF and direct-conversion receiver architectures. |
| Integrated per-channel voltage references | Eliminates need for external precision reference ICs, reducing BOM count and layout complexity. |
| 7.5-cycle pipeline latency (Q channel) | Enables deterministic timing alignment in FPGA-based digital downconverters with known delay compensation. |
| 1 GHz analog input bandwidth | Supports digitization of IF signals up to L-band without external amplification or filtering. |
| 85 dB crosstalk rejection | Prevents I-channel signal leakage into Q-channel path, preserving image rejection ratio in quadrature demodulators. |
Applications
| Medical Ultrasound Imaging | I/Q Signal Processing |
|---|---|
|
Use Scenario: Digitizing echo return signals from phased-array transducers at 20–40 Msps for beamforming and Doppler analysis. IC Role / Device Role / Timing Role: Dual-channel ADC captures in-phase and quadrature components of RF echoes with matched gain/phase to enable precise velocity estimation. Use Value: 85 dB crosstalk rejection and 0.5 LSB offset match directly improve Doppler sensitivity and reduce motion artifact in color flow imaging. |
Use Scenario: Converting baseband I/Q outputs from quadrature mixers in software-defined radios and cellular infrastructure. IC Role / Device Role / Timing Role: Simultaneous sampling preserves phase relationship between I and Q paths; multiplexed output reduces FPGA pin count. Use Value: 62.5 dBc SFDR minimizes reciprocal mixing and adjacent-channel interference in wideband LTE/NR receivers. |
| High-Speed Data Acquisition | Portable Instrumentation |
|
Use Scenario: Capturing transient waveforms in oscilloscopes and spectrum analyzers with ≥100 MS/s equivalent sampling via interleaving. IC Role / Device Role / Timing Role: 40 Msps dual-channel operation provides 80 Msps aggregate throughput with deterministic 7.5-cycle latency for trigger synchronization. Use Value: 1 GHz analog bandwidth allows direct digitization of signals up to 500 MHz with −3 dB flatness, eliminating front-end downconversion. |
Use Scenario: Battery-powered handheld test equipment requiring low power and compact footprint for field diagnostics. IC Role / Device Role / Timing Role: Integrated references and 218.6 mW total power enable extended runtime without active cooling in sealed enclosures. Use Value: TQFP48 package (7 × 7 mm) and single 2.5 V supply simplify PCB layer count and reduce bill-of-materials cost. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9236BCPZ-40 | 12-bit, 40 Msps, 75 dBc SFDR, 0.3 LSB INL, requires external reference and separate power domains. | Better resolution and SFDR but higher power (360 mW) and larger LFCSP package limits space-constrained portable use. | Select when >10-bit ENOB and ultra-low distortion are mandatory, and board area/power budget allow. |
| TSA1203-40IFT | 12-bit, 40 Msps, same pinout/package, higher power (320 mW), ENOB = 10.2 bits @ 10 MHz. | Drop-in upgrade path with identical footprint and interface; trades off higher resolution against increased thermal load. | Choose for legacy design migration where pin compatibility and resolution uplift outweigh power constraints. |
Compared with AD9236BCPZ-40 and TSA1203-40IFT, the TSA1005-40IFT offers the lowest power and smallest footprint among 40 Msps dual-channel ADCs with integrated references-making it optimal for thermally constrained, cost-sensitive I/Q acquisition where 10-bit ENOB suffices.
Availability
TSA1005-40IFT is available at Aetrix Electronics and suitable for medical ultrasound imaging, I/Q signal processing, high-speed data acquisition, and portable instrumentation requiring stable component supply across extended temperature ranges.
Supply support for TSA1005-40IFT 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in analog, mixed-signal, and power management ICs for industrial, automotive, and consumer markets.
The TSA1005 belongs to ST's high-speed data converter product line, engineered for demanding RF and communications applications requiring simultaneous sampling, low crosstalk, and integrated reference solutions.
FAQ
Is TSA1005-40IFT still in active production?
No. TSA1005-40IFT is marked "NOT FOR NEW DESIGN" and classified as obsolete by STMicroelectronics. Aetrix Electronics maintains limited legacy inventory for existing production continuity, but no new wafer starts are planned. Customers are advised to evaluate migration paths such as TSA1203-40IFT or AD9236BCPZ-40 for long-term programs.
Can TSA1005-40IFT operate with external voltage references?
Yes. While VREFPI/VREFMI and VREFPQ/VREFMQ pins support internal reference generation, the datasheet explicitly permits external reference connection by disabling internal biasing. External references must comply with specified voltage ranges (0–0.94 V top, 0–0.4 V bottom) and drive capability to avoid degrading ENOB below 9.4 bits.
What is the significance of the "T" suffix in TSA1005-40IFT?
The "T" denotes tape-and-reel packaging (1,000 units per reel), optimized for automated SMT assembly. The "F" indicates lead-free (RoHS-compliant) finish, and "I" specifies the industrial temperature grade (0 °C to +85 °C). This differs from the "-40IF" variant, which uses tray packaging and extends to −40 °C.
How does the multiplexed output timing work between I and Q channels?
I-channel data appears on D0–D9 at the rising edge of CLK; Q-channel data appears at the falling edge. The SELECT pin, when tied to CLK, synchronizes this interleaving. Pipeline latency is 7 cycles for I and 7.5 cycles for Q, resulting in deterministic, phase-aligned output timing essential for coherent demodulation.
TSA1005-40IFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 48-LQFP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Number of Bits:
- 10
- Sampling Rate (Per Second):
- 40M
- Number of Inputs:
- 2
- 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:
- 2.25V ~ 2.7V
- Voltage - Supply, Digital:
- 2.25V ~ 2.7V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- 0°C ~ 85°C
- Supplier Device Package:
- 48-TQFP (7x7)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
TSA1005-40IFT FAQ
1.How can I place an order for TSA1005-40IFT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSA1005-40IFT 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 TSA1005-40IFT reliable?
The price and inventory of TSA1005-40IFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSA1005-40IFT is usually 5 days.
3.What payment methods are accepted for TSA1005-40IFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSA1005-40IFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSA1005-40IFT?
TSA1005-40IFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSA1005-40IFT 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 TSA1005-40IFT?
For technical support, including TSA1005-40IFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSA1005-40IFT requirements.
6.How does Aetrix verify that TSA1005-40IFT is sourced from the original manufacturer or authorized distributors?
All TSA1005-40IFT 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 TSA1005-40IFT meets industry standards.
7.What is the process for return or replacement of TSA1005-40IFT?
All TSA1005-40IFT units undergo pre-shipment inspection (PSI). If there is an issue with TSA1005-40IFT, 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 TSA1005-40IFT part is unused and in its original packaging.
Return procedure for TSA1005-40IFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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