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Texas Instruments ADC12DL040CIVSX/NOPB
- Part No.:
- ADC12DL040CIVSX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-TQFP
- Datasheet:
-
ADC12DL040CIVSX/NOPB.pdf
- Description:
- IC ADC 12BIT PIPELINED 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,195
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Product details
Overview
ADC12DL040CIVSX/NOPB from Texas Instruments is a dual-channel, 12-bit, 40 MSPS analog-to-digital converter with differential pipeline architecture, internal sample-and-hold and reference, 250 MHz full-power bandwidth, and 11.1 effective bits at Nyquist. It operates on a single +3.0V supply, consumes 210 mW typical, and targets high-fidelity data acquisition in ultrasound imaging and communications receivers.
For engineers reviewing the ADC12DL040CIVSX/NOPB datasheet, ADC12DL040CIVSX/NOPB pinout, ADC12DL040CIVSX/NOPB application, or ADC12DL040CIVSX/NOPB equivalent, key selection considerations include its dual-channel latency (7–8 clock cycles), multiplexed/parallel output mode flexibility, 2.4V–3.6V output driver voltage support, duty cycle stabilizer control via DF/DCS pin, and industrial temperature range (−40°C to +85°C) operation in 64-lead TQFP.
Technical Context
The ADC12DL040CIVSX/NOPB implements a 10-stage differential pipeline architecture with digital error correction and an integrated duty cycle stabilizer that accepts input clocks with 20%–80% duty cycle when enabled. Its dual independent analog front-ends share a common clock but feature separate differential inputs (VINA±, VINB±) and configurable reference selection (internal 0.5V/1.0V or external 0.8V–1.2V).
Digital outputs are configurable for parallel (separate DA0–DA11 and DB0–DB11 buses) or multiplexed (DA0–DA11 + DB0/ABb sync signal) operation, with output format selectable between offset binary and two's complement via the DF/DCS pin. Output drivers use dedicated VDR supply (2.4V–VD), decoupled from VA/VD, enabling interfacing with lower-voltage logic systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12 bits - guarantees monotonic transfer function with no missing codes across full operating range. |
| Sampling Rate | 40 MSPS - supports real-time digitization of signals up to 20 MHz baseband without aliasing under Nyquist criterion. |
| Effective Bits (ENOB) | 11.1 bits at fIN = 10 MHz - indicates usable dynamic resolution after noise and distortion degradation. |
| Signal-to-Noise Ratio | 69 dB at fIN = 10 MHz - defines minimum detectable signal level above quantization and thermal noise floor. |
| Spurious-Free Dynamic Range | 85 dB at fIN = 10 MHz - determines largest undistorted signal amplitude before strongest spurious tone emerges. |
| Full-Power Bandwidth | 250 MHz - enables accurate digitization of fast-rising transients and wideband IF signals up to UHF. |
| Power Consumption | 210 mW typical at 40 MSPS - includes analog, digital, and reference current; drops to 36 mW in power-down mode. |
| Data Latency | 7 clock cycles (Channel A, parallel mode) - fixed pipeline delay critical for deterministic timing in closed-loop systems. |
Pinout & Package
The ADC12DL040CIVSX/NOPB is housed in a 64-lead TQFP (Thin Quad Flat Package) with 0.5 mm pitch, thermally enhanced for industrial ambient operation (−40°C to +85°C). Pin layout separates analog (VA, AGND, VINA±, VREF), digital (VD, DGND, CLK, PD), and output-driver (VDR, DR GND) domains to minimize coupling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VINA+, VINA− VINB+, VINB− | Differential analog inputs (Channel A/B) | Accept 2.0 VP-P full-scale differential swing with 1.0 V reference; support single-ended operation but require differential for optimal SFDR/THD. |
| CLK | Digital clock input | Rising-edge triggered; supports 10–40 MHz; duty cycle stabilizer relaxes requirement to 20%–80% when enabled. |
| MULTIPLEX | Output mode select | Low = parallel outputs (DA0–DA11, DB0–DB11); high = multiplexed outputs (DA0–DA11 + DB0/ABb sync). |
| DF/DCS | Format & stabilization control | Four-state pin selecting offset binary/two's complement output and enabling/disabling duty cycle stabilization. |
| OEA, OEB | Output enable (Channel A/B) | Active-low; places respective DAx or DBx outputs in high-impedance state for bus sharing or power gating. |
| PD | Power-down control | High = 36 mW standby; low = 210 mW active mode; exit time <1 µs with proper capacitor network. |
| VDR | Digital output driver supply | Independent 2.4V–VD supply; isolates output logic levels from core digital/analog rails to reduce noise coupling. |
| VRPA, VRPB, VRMA, VRMB, VRNA, VRNB | Reference bypass & auxiliary outputs | Require 0.1 µF bypass caps; VRMA/VRMB provide 1.5 V @ 1 mA stable reference for external circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent 12-bit pipelines | Enables simultaneous sampling of two analog channels with matched gain/offset (<±4% gain match, <±0.3%FS offset match) for I/Q or stereo acquisition. |
| Configurable output interface | Supports either parallel (24-bit total) or multiplexed (12-bit + ABb sync) data routing-reduces PCB trace count and FPGA pin usage in space-constrained designs. |
| Duty cycle stabilizer | Compensates for clock asymmetry, allowing reliable operation with non-50% duty cycle clocks (20%–80%) without added jitter or SNR degradation. |
| Separate VDR supply | Permits output drivers to interface directly with 2.4V–3.3V logic families while maintaining 3.0V analog/digital core integrity-eliminates level-shifter components. |
| Internal reference options | Switchable 0.5V/1.0V internal references or external 0.8V–1.2V input-simplifies BOM and improves system accuracy over temperature vs. discrete reference ICs. |
| Industrial temperature range | Specified performance from −40°C to +85°C ensures reliability in medical imaging equipment, base station receivers, and ruggedized test instrumentation. |
Applications
| Ultrasound Imaging System | Communications Receiver Front-End |
|---|---|
Use Scenario: Digitizing RF echo signals from phased-array transducers after analog beamforming and filtering. IC Role / Device Role / Timing Role: Dual-channel ADC capturing I/Q baseband outputs from quadrature demodulators at 40 MSPS with sub-ns aperture jitter. Use Value: 11.1 ENOB and 85 dB SFDR preserve small-signal contrast resolution and suppress harmonic artifacts critical for tissue differentiation. |
Use Scenario: Sampling intermediate frequency (IF) signals in broadband wireless receivers (e.g., xDSL, cable modem) with dynamic range demands. IC Role / Device Role / Timing Role: High-speed digitizer converting filtered IF outputs into digital domain for DSP-based channel equalization and demodulation. Use Value: 250 MHz full-power bandwidth accommodates wide IF bands; multiplexed output reduces FPGA interface complexity without sacrificing throughput. |
| Sonar/Radar Signal Acquisition | DSP-Based Instrumentation |
Use Scenario: Capturing pulsed return echoes in underwater sonar or short-range radar with precise time-of-flight measurement requirements. IC Role / Device Role / Timing Role: Low-latency ADC providing deterministic 7-cycle pipeline delay for real-time time-stamping and pulse correlation. Use Value: Aperture jitter of 1.2 ps RMS minimizes timing uncertainty in echo arrival detection, improving ranging resolution below 1 mm. |
Use Scenario: High-accuracy data logging and spectral analysis in portable test equipment requiring dual-channel synchronous sampling. IC Role / Device Role / Timing Role: Dual ADC serving as front-end for FFT-based spectrum analyzers or oscilloscope digitizers with interleaved or independent channel operation. Use Value: Channel-to-channel crosstalk >90 dB prevents leakage between input paths; internal reference eliminates external reference drift errors over temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, 12-bit, 40 MSPS ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS5272IPFP | 12-bit, dual 40 MSPS with LVDS outputs, 1.8V supply, no internal reference, higher power (360 mW) | Requires external reference and level-shifting for CMOS interfacing; better suited for high-noise environments due to differential LVDS signaling | Select when system uses LVDS FPGA interfaces and requires superior noise immunity over board traces |
| AD9222ASTZ | 12-bit, dual 65 MSPS with internal reference, 3.3V supply, SPI configuration, higher SNR (70.5 dB) | Includes serial interface for register control; wider bandwidth (350 MHz FPBW); not pin-compatible and requires different layout | Select when programmable gain, offset calibration, or higher sampling rate justifies redesign and added software overhead |
Compared with ADS5272IPFP and AD9222ASTZ, the ADC12DL040CIVSX/NOPB offers unique integration of internal reference, flexible output voltage (VDR), and duty cycle stabilization in a cost-optimized TQFP package-making it ideal for fixed-function, space-constrained, and power-sensitive applications where simplicity and proven industrial reliability are prioritized.
Availability
ADC12DL040CIVSX/NOPB is available at Aetrix Electronics and suitable for ultrasound imaging systems, communications receiver front-ends, and sonar/radar signal acquisition requiring stable component supply, long-term production continuity, and guaranteed industrial temperature grade performance.
Supply support for ADC12DL040CIVSX/NOPB 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, with decades of expertise in precision signal chain solutions.
The ADC12DL040CIVSX/NOPB belongs to TI's high-speed data converter product line, designed specifically for demanding medical, test & measurement, and broadband communications applications requiring dual-channel synchronization, low power, and robust industrial operation.
FAQ
What is the maximum clock frequency supported by the ADC12DL040CIVSX/NOPB?
The ADC12DL040CIVSX/NOPB supports a maximum clock frequency of 40 MHz, as specified in its AC Electrical Characteristics table. At this rate, it achieves full 40 MSPS sampling with guaranteed dynamic performance including 69 dB SNR and 85 dB SFDR at 10 MHz input. Operation above 40 MHz is not characterized and may result in degraded linearity or missing codes.
Does the ADC12DL040CIVSX/NOPB include an internal voltage reference?
Yes, the ADC12DL040CIVSX/NOPB includes an internal reference selectable between 0.5 V and 1.0 V via the VREF pin voltage. When VREF is biased between AGND + 0.3 V and VA − 0.3 V, the device auto-selects the appropriate internal reference. An external reference from 0.8 V to 1.2 V can also be applied directly to VREF for improved stability or system-level calibration.
How does the MULTIPLEX pin affect data output behavior in the ADC12DL040CIVSX/NOPB?
When MULTIPLEX is low, the ADC12DL040CIVSX/NOPB outputs Channel A data on DA0–DA11 and Channel B data on DB0–DB11 simultaneously (parallel mode). When MULTIPLEX is high, both channels' 12-bit words are time-multiplexed onto DA0–DA11, with DB0/ABb toggling to indicate valid A (high) or B (low) data-reducing required data lines by half at the cost of doubled clock rate per sample pair.
What is the purpose of the VDR pin on the ADC12DL040CIVSX/NOPB?
The VDR pin supplies power exclusively to the digital output drivers of the ADC12DL040CIVSX/NOPB and can be set independently from VA and VD within 2.4 V to VD. This allows direct interfacing with 2.4 V–3.3 V logic families without external level shifters, while isolating output switching noise from the sensitive analog and core digital supplies-improving overall SNR and reducing ground bounce.
Can the ADC12DL040CIVSX/NOPB operate with a single-ended analog input?
Yes, the ADC12DL040CIVSX/NOPB supports single-ended operation: the negative input pins (VINA−, VINB−) can be tied to the common-mode voltage (VCM), while the positive inputs (VINA+, VINB+) carry the signal. However, the datasheet explicitly recommends differential input for optimum performance-single-ended use degrades SFDR by up to 10 dB and increases susceptibility to noise and even-order harmonics.
ADC12DL040CIVSX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 64-TQFP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 12
- 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:
- 2
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 2.7V ~ 3.6V
- Voltage - Supply, Digital:
- 2.4V ~ 3.6V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 64-TQFP (10x10)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADC12DL040CIVSX/NOPB FAQ
1.How can I place an order for ADC12DL040CIVSX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for ADC12DL040CIVSX/NOPB 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 ADC12DL040CIVSX/NOPB reliable?
The price and inventory of ADC12DL040CIVSX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADC12DL040CIVSX/NOPB is usually 5 days.
3.What payment methods are accepted for ADC12DL040CIVSX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADC12DL040CIVSX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADC12DL040CIVSX/NOPB?
ADC12DL040CIVSX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADC12DL040CIVSX/NOPB 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 ADC12DL040CIVSX/NOPB?
For technical support, including ADC12DL040CIVSX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADC12DL040CIVSX/NOPB requirements.
6.How does Aetrix verify that ADC12DL040CIVSX/NOPB is sourced from the original manufacturer or authorized distributors?
All ADC12DL040CIVSX/NOPB 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 ADC12DL040CIVSX/NOPB meets industry standards.
7.What is the process for return or replacement of ADC12DL040CIVSX/NOPB?
All ADC12DL040CIVSX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with ADC12DL040CIVSX/NOPB, 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 ADC12DL040CIVSX/NOPB part is unused and in its original packaging.
Return procedure for ADC12DL040CIVSX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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