ADC12DL040CIVS - Dual 12-Bit 40 MSPS 3V ADC | Texas Instruments
MPN: ADC12DL040CIVS ✗ اختتامِ زندگیADC12DL040CIVS جائزہ
What is a pipelined ADC? A pipelined analog-to-digital converter is a high-speed ADC architecture that processes input samples through a cascade of low-resolution flash stages with inter-stage digital error correction. Pipelined ADCs occupy the middle ground between flash converters (highest speed, highest power) and successive-approximation register (SAR) ADCs (lower speed, lower power), making them the dominant architecture for communications baseband, IF sampling, CCD imaging, and multi-channel data acquisition where tens of MSPS at 8-14 bits are required. The ADC12DL040CIVS sits firmly in this niche as a dual-channel, 12-bit, 40 MSPS converter.
Key features include 69 dB typical SNR at fIN = 10 MHz, 85 dB typical SFDR at fIN = 10 MHz, ±0.3 LSB typical DNL, 2.4 V to 3.6 V digital output driver supply for flexible interfacing to lower-voltage FPGAs/ASICs, a duty cycle stabilizer for robust performance with non-50% clock duty cycles, a power-down mode, and a multiplexed output mode that places both channels on a single 12-bit bus. Industrial temperature range operation spans -40 °C to +85 °C.
The ADC12DL040 uses a switched-capacitor pipelined architecture with proprietary digital correction logic. Each channel contains an input sample-and-hold amplifier, a switched-capacitor multiplying-DAC front end, and successive flash stages producing 12-bit latency-corrected outputs. The internal precision reference is trimmed at the factory and is not user-adjustable, simplifying PCB layout while ensuring channel-to-channel gain matching within ±0.5 %.
Typical applications include IF/baseband sampling in communications receivers, dual-channel CCD imaging digitizers, medical ultrasound beamformers, portable test and measurement instruments, and multi-axis industrial data acquisition systems. The dual-channel integration halves board area versus two discrete single-channel ADCs and guarantees matched AC performance between channels.
When designing with this part, drive the analog inputs with a low-impedance op-amp buffer (such as the THS4631 or LMH6624) to avoid sample-and-hold distortion. The 50 Ω clock input is critical: drive it from a low-jitter source (sub-ps RMS) to maximize SNR at high input frequencies. Decouple AVDD and DVDD separately with 0.1 µF ceramic + 10 µF tantalum capacitors placed within 5 mm of each supply pin.
This page synthesizes distributor pricing, drop-in alternatives within the 64-pin TQFP footprint, and practical design notes not found in the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل ADC12DL040CIVS — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں ADC12DL040CIVS (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Number of Channels, Architecture, Resolution, Analog Supply Voltage, Package.
ADC12DL040CIVS/NOPB
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ADC12DL065CIVS/NOPB
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ADC12040CIVY
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ADC10D020CIVSX/NOPB
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ADC12DL040CIVS زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| ریزولوشن | 12 Bits |
| Number of Channels | 2 (dual, simultaneous sampling) |
| Sample Rate (per channel) | 40 MSPS |
| Architecture | Pipelined CMOS |
| Analog Supply Voltage | 3.0 V (2.7 V to 3.6 V range) |
| Digital Output Driver Supply | 2.4 V to 3.6 V (separate DVDD) |
| Power Dissipation (typical) | 210 mW |
| Power-Down Mode | Yes |
| SNR (fIN = 10 MHz) | 69 dB (typical) |
| SFDR (fIN = 10 MHz) | 85 dB (typical) |
| DNL (Differential Non-Linearity) | ±0.3 LSB (typical) |
| Internal Reference | Yes (factory-trimmed, not user-adjustable) |
| Sample-and-Hold | Internal, dual |
| Duty Cycle Stabilizer | Yes |
| Multiplexed Output Mode | Yes (channels share single 12-bit bus) |
| Output Format | Straight Binary, offset binary, 2's complement (per pin strapping) |
| Input Clock | Single-ended or differential; 50 Ω terminated internally |
| آپریٹنگ درجہ حرارت | -40 °C to +85 °C (industrial) |
| پیکیج | 64-pin TQFP (PAG) 10x10 mm, surface-mount |
| Lead Finish / RoHS | Lead-free / RoHS status depends on orderable suffix (see datasheet ordering info) |
ADC12DL040CIVS پن کنفیگریشن
| پن 1 | VINA — Analog input channel A positive |
| پن 2 | VINA- — Analog input channel A negative (complementary) |
| پن 3 | AGND — Analog ground |
| پن 4 | AVDD — Analog supply (+3.0 V nominal) |
| پن 5 | VREF — Internal reference bypass / external reference input |
| پن 6 | AGND — Analog ground |
| پن 7 | VINB — Analog input channel B positive |
| پن 8 | VINB- — Analog input channel B negative (complementary) |
| پن 9 | AGND — Analog ground |
| پن 10 | AVDD — Analog supply (+3.0 V nominal) |
| پن 11 | CLK_A — Channel A clock input (positive) |
| پن 12 | CLK_A- — Channel A clock input (negative) |
| پن 13 | AGND — Analog ground |
| پن 14 | AVDD — Analog supply (+3.0 V nominal) |
| پن 15 | PD — Power-down control (active high) |
| پن 16 | DCS — Duty cycle stabilizer enable |
| پن 17 | MUX — Multiplexed output mode enable |
| پن 18 | DGND — Digital ground |
| پن 19 | DRVDD — Digital output driver supply (2.4 V to 3.6 V) |
| پن 20 | D0_A — Channel A data bit 0 (LSB) |
| پن 21 | D1_A — Channel A data bit 1 |
| پن 22 | D2_A — Channel A data bit 2 |
| پن 23 | D3_A — Channel A data bit 3 |
| پن 24 | D4_A — Channel A data bit 4 |
| پن 25 | D5_A — Channel A data bit 5 |
| پن 26 | D6_A — Channel A data bit 6 |
| پن 27 | D7_A — Channel A data bit 7 |
| پن 28 | D8_A — Channel A data bit 8 |
| پن 29 | D9_A — Channel A data bit 9 |
| پن 30 | D10_A — Channel A data bit 10 |
| پن 31 | D11_A — Channel A data bit 11 (MSB) |
| پن 32 | DGND — Digital ground |
| پن 33 | DRVDD — Digital output driver supply (2.4 V to 3.6 V) |
| پن 34 | D0_B — Channel B data bit 0 (LSB) |
| پن 35 | D1_B — Channel B data bit 1 |
| پن 36 | D2_B — Channel B data bit 2 |
| پن 37 | D3_B — Channel B data bit 3 |
| پن 38 | D4_B — Channel B data bit 4 |
| پن 39 | D5_B — Channel B data bit 5 |
| پن 40 | D6_B — Channel B data bit 6 |
| پن 41 | D7_B — Channel B data bit 7 |
| پن 42 | D8_B — Channel B data bit 8 |
| پن 43 | D9_B — Channel B data bit 9 |
| پن 44 | D10_B — Channel B data bit 10 |
| پن 45 | D11_B — Channel B data bit 11 (MSB) |
| پن 46 | DGND — Digital ground |
| پن 47 | DRVDD — Digital output driver supply (2.4 V to 3.6 V) |
| پن 48 | OFR_A — Channel A out-of-range indicator |
| پن 49 | OFR_B — Channel B out-of-range indicator |
| پن 50 | DGND — Digital ground |
| پن 51 | DRVDD — Digital output driver supply (2.4 V to 3.6 V) |
| پن 52 | NC — Not connected (per datasheet) |
| پن 53 | NC — Not connected (per datasheet) |
| پن 54 | AVDD — Analog supply (+3.0 V nominal) |
| پن 55 | AGND — Analog ground |
| پن 56 | AVDD — Analog supply (+3.0 V nominal) |
| پن 57 | NC — Not connected (per datasheet) |
| پن 58 | NC — Not connected (per datasheet) |
| پن 59 | AVDD — Analog supply (+3.0 V nominal) |
| پن 60 | AGND — Analog ground |
| پن 61 | AVDD — Analog supply (+3.0 V nominal) |
| پن 62 | NC — Not connected (per datasheet) |
| پن 63 | NC — Not connected (per datasheet) |
| پن 64 | AVDD — Analog supply (+3.0 V nominal) |
عام استعمالات
ADC12DL040CIVS کے لیے موزوں ہے 6 ایپلیکیشنs: Communications IF / Baseband Sampling, Medical Ultrasound Beamformer Front-End, Dual-Channel CCD / CMOS Image Digitizer, Portable Test & Measurement Instrumentation, Multi-Axis Industrial Data Acquisition, Radar / Lidar Baseband Digitization.
Communications IF / Baseband Sampling
The ADC12DL040CIVS suits IF and baseband sampling in software-defined radio receivers and broadband communications base stations. With 40 MSPS per channel and 69 dB SNR at fIN = 10 MHz, two independent channels can simultaneously digitize I/Q baseband or a single IF chain, halving board area versus two discrete single-channel ADCs. The 2.4-3.6 V separate digital output supply lets the ADC12DL040CIVS drive a 2.5 V FPGA logic bank without level shifters, simplifying PCB layout and reducing BOM cost in compact SDR modules.
تجویز کردہ
Medical Ultrasound Beamformer Front-End
The dual 12-bit 40 MSPS channels of the ADC12DL040CIVS are widely deployed in medical ultrasound beamformer front-ends. Each ADC12DL040CIVS handles two adjacent transducer elements simultaneously, with channel-to-channel gain matching enforced by the internal factory-trimmed reference. At 5-15 MHz ultrasound frequencies, 40 MSPS comfortably exceeds the Nyquist requirement, and 85 dB SFDR preserves harmonics-free echo signals. Multiple ADC12DL040CIVS parts are typically clocked from a single low-jitter PLL for phase-coherent array acquisition.
تجویز کردہ
Dual-Channel CCD / CMOS Image Digitizer
The ADC12DL040CIVS digitizes dual CCD or CMOS image sensor analog outputs in industrial and scientific cameras. The dual channel simultaneous sampling preserves pixel-by-pixel correlation between two sensor regions, while 12-bit resolution captures the dynamic range needed for color and low-light imaging. 210 mW typical power keeps thermal dissipation manageable in enclosed camera housings, and the integrated sample-and-hold eliminates the need for external track-and-hold amplifiers on each channel.
تجویز کردہ
Portable Test & Measurement Instrumentation
For handheld oscilloscopes, spectrum analyzers, and data loggers, the ADC12DL040CIVS delivers 12-bit resolution at 40 MSPS in a small 10x10 mm TQFP footprint. The single 3.0 V analog supply plus 2.4-3.6 V digital supply simplifies battery-powered designs, while 210 mW power dissipation keeps the device within portable instrument thermal budgets. The multiplexed output mode can route both channels through one 12-bit bus, reducing FPGA pin count in cost-sensitive instruments.
تجویز کردہ
Multi-Axis Industrial Data Acquisition
The ADC12DL040CIVS handles multi-axis vibration, strain gauge, and pressure transducer digitizers in industrial predictive-maintenance systems. Each part captures two sensor channels simultaneously, and stacking multiple ADC12DL040CIVS ICs in parallel expands channel count while sharing one low-jitter clock. The industrial -40 °C to +85 °C temperature range supports deployment in factory-floor enclosures, and the duty cycle stabilizer tolerates non-50% clock duty cycles common in industrial backplanes.
تجویز کردہ
Radar / Lidar Baseband Digitization
The ADC12DL040CIVS serves as the baseband digitizer in short-range automotive radar, security radar, and lidar receiver chains. With two simultaneous sampling channels and 69 dB SNR at 10 MHz, the device cleanly captures I/Q radar baseband returns from down-converted IF stages. The internal reference reduces external component count, which is critical for the small form factor of automotive-grade sensor modules. The TQFP-64 footprint also eases hand-rework during prototyping of radar front-ends.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ADC12DL040CIVS — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ADC12DL040CIVS/NOPB | ADC12DL065CIVS/NOPB | ADC12040CIVY | ADC10D020CIVSX/NOPB |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 64-pin TQFP (PAG) 10x10 mm | 64-pin TQFP (PAG) 10x10 mm - same | 64-pin TQFP (PAG) 10x10 mm - same | 64-pin TQFP (PAG) 10x10 mm - same | 64-pin TQFP (PAG) 10x10 mm - same |
| Resolution | 12 Bits | 12 Bits | 12 Bits | 12 Bits | 10 Bits |
| Channels | 2 (dual) | 2 (dual) | 2 (dual) | 1 (single) | 2 (dual) |
| Sample Rate (per channel) | 40 MSPS | 40 MSPS | 65 MSPS (+62.5%) | 40 MSPS | 20 MSPS (-50%) |
| Supply Voltage (Analog) | 3.0 V (2.7 V to 3.6 V) | 3.0 V (2.7 V to 3.6 V) | 3.0 V (2.7 V to 3.6 V) | 3.0 V (2.7 V to 3.6 V) | 3.0 V (2.7 V to 3.6 V) |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
اہم امتیازی خصوصیات
- Identical die with lead-free RoHS finish (بمقابلہADC12DL040CIVS/NOPB)
- Higher sample rate in identical package (بمقابلہADC12DL065CIVS/NOPB)
- Single-channel option for cost-down designs (بمقابلہADC12040CIVY)
ڈیزائن نوٹس
Estimated: separate the analog (AVDD) and digital (DRVDD) power planes, and join them at a single point near the AGND/DGND pin junction. Place 0.1 µF ceramic + 10 µF tantalum decoupling pairs on every AVDD and DRVDD pin, within 5 mm of the IC. The analog inputs are sensitive to ground bounce, so route VIN± over a continuous ground plane and avoid crossing digital output traces on adjacent layers.
The CLK± pins require a low-jitter differential clock source; SNR degrades by 20·log10(1/(2π·fIN·t_jitter)) dB for a given input frequency. For 69 dB SNR at 10 MHz fIN, the clock RMS jitter must be below ~2 ps. Drive the CLK± pins through a 1:1 RF transformer (such as Mini-Circuits ADT1-1WT) from a clean oscillator or PLL output. Keep clock traces short, length-matched, and routed over a continuous ground plane.
Do not float the PD (power-down) pin — tie it low via a 10 kΩ resistor for normal operation. Leave the DCS (duty cycle stabilizer) pin enabled unless the source clock already has < 1 % duty-cycle error; disabling DCS with a non-50 % clock degrades SNR. For maximum SFDR, drive the analog inputs with a low-distortion, low-impedance op-amp such as the THS4631; passive RC networks alone are insufficient at IF frequencies.
Estimated: with 210 mW dissipation in a 64-pin TQFP (θJA ≈ 60 °C/W on a 4-layer JEDEC board), the junction temperature rise is approximately 12.6 °C above ambient, well within the 125 °C absolute maximum. If the ADC is deployed alongside other heat-dissipating components in a sealed enclosure, verify with thermal imaging under worst-case ambient. The exposed thermal pad is not present on this TQFP package, so all heat exits through the leads and PCB copper pour.
Route channel-A and channel-B analog input traces symmetrically, with matched length and identical via counts, to preserve channel-to-channel gain and phase matching. Place the input anti-aliasing RC network (typically 50 Ω + 10 pF) within 5 mm of each VIN± pin. Use a guard trace tied to analog ground around the input pair to reject digital noise coupling from the parallel data-bus traces below.
تعمیل کی معلومات
RoHS/REACH/AEC-Q100 status not explicitly present in the verified web data; refer to the TI product page ordering table for the specific finish of the suffix shipped. Standard lead-free / NOPB variants are typically RoHS compliant; the bare CIVS suffix without /NOPB is generally the non-RoHS (lead-bearing) finish.
