ADS5103CPFBR - 10-Bit 40MSPS ADC w/ Int Ref | Texas Instruments
MPN: ADS5103CPFBR ✗ اختتامِ زندگیADS5103CPFBR جائزہ
An ADC (analog-to-digital converter) is a semiconductor device that converts continuous analog signals into discrete digital codes. The 10-bit pipelined ADC architecture performs multi-stage conversion with sub-ranging, achieving 40 MSPS throughput while maintaining low power consumption. ADCs sit within the data converter family, which in turn belongs to the broader mixed-signal/interface IC category of integrated circuits. The ADS5103 belongs to the low-voltage, high-speed pipeline ADC sub-class, sharing the family tree with 8-bit and 12-bit pipelined predecessors.
Key features include a 1.8 V analog and 1.8 V digital supply (with 3.3 V-tolerant digital outputs for easy interface to standard logic), an internal reference that simplifies external BOM, differential input for common-mode noise rejection, 40 MSPS sampling rate (versus 65 MSPS for the pin-compatible ADS5102), CMOS parallel output interface, and a hardware power-down pin that reduces quiescent current for battery-powered or duty-cycled applications. According to the device datasheet, the differential input structure and 1.8 V core supply minimize power dissipation while preserving dynamic performance.
The pipelined converter architecture uses multiple low-resolution stages operating in parallel, with each stage resolving a portion of the input sample. This architecture is well suited to high-speed, repetitive-signal applications such as digital imaging, video digitizers, and intermediate-frequency (IF) sampling in communications receivers. The device is specified for the commercial temperature grade, making it appropriate for indoor and controlled-environment equipment rather than automotive or industrial extended-temperature deployments.
Typical applications include digital still cameras and camcorders, CCD imaging front-ends, video frame grabbers, portable test and measurement equipment, IF/baseband digitizers in software-defined radio, and barcode or document scanners. The combination of small TQFP-48 footprint, internal reference, and 3.3 V output compatibility simplifies board layout when migrating from 5 V legacy designs.
When designing with this device, allocate adequate analog and digital ground planes separated by a guard ring, place the input coupling network as close as possible to the analog input pins, and use a low-impedance, low-noise LDO to power AVDD. Decouple each supply pin with both a 0.1 uF ceramic and a 10 uF bulk capacitor. Note that the ADS5103 part is marked obsolete by some distributors; plan for last-time-buy or consider the pin-compatible ADS5102 (65 MSPS) as an upgrade path if still in production.
This page synthesizes distributor pricing, drop-in TQFP-48 alternatives, and practical PCB layout guidance not aggregated in the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل ADS5103CPFBR — 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 ADS5103CPFBR (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Input Type, Reference, Digital Supply Voltage, Operating Temperature.
ADS5103CPFB
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ADS5103CPFBG4
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ADS5102IPFBR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ADS5102IPFBR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ADS5103CPFBR زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| ریزولوشن | 10 bit |
| سیمپلنگ ریٹ | 40 MSPS |
| Number of Input Channels | 1 (differential) |
| Input Type | Differential |
| Architecture | Pipelined |
| Data Interface | Parallel (CMOS) |
| Analog Supply Voltage | 1.8 V |
| Digital Supply Voltage | 1.8 V (3.3 V tolerant I/O) |
| Reference Type | Internal (external optional) |
| Configuration | S/H-ADC |
| پنز کی تعداد | 48 |
| پیکیج | TQFP-48 (PFB) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Operating Temperature Grade | Commercial |
| Power-Down Pin | Yes |
| RoHS اسٹیٹس | Compliant |
ADS5103CPFBR پن کنفیگریشن
| پن 1 | AVDD — Analog supply (1.8 V) |
| پن 2 | AVSS — Analog ground |
| پن 3 | IN+ — Differential analog input (positive) |
| پن 4 | IN- — Differential analog input (negative) |
| پن 5 | VREF — Reference voltage (internal/external) |
| پن 6 | REFT — Reference top (decoupling) |
| پن 7 | REFB — Reference bottom (decoupling) |
| پن 8 | AVSS — Analog ground |
| پن 9 | AVDD — Analog supply (1.8 V) |
| پن 10 | AVSS — Analog ground |
| پن 11 | PD — Power-down input (active high) |
| پن 12 | CLK — Clock input |
| پن 13 | CLK — Complementary clock input |
| پن 14 | DVDD — Digital supply (1.8 V) |
| پن 15 | DVSS — Digital ground |
| پن 16 | D0 — Data output bit 0 (LSB) |
| پن 17 | D1 — Data output bit 1 |
| پن 18 | D2 — Data output bit 2 |
| پن 19 | D3 — Data output bit 3 |
| پن 20 | D4 — Data output bit 4 |
| پن 21 | D5 — Data output bit 5 |
| پن 22 | D6 — Data output bit 6 |
| پن 23 | D7 — Data output bit 7 |
| پن 24 | D8 — Data output bit 8 |
| پن 25 | D9 — Data output bit 9 (MSB) |
| پن 26 | DVDD — Digital supply (1.8 V) |
| پن 27 | DVSS — Digital ground |
| پن 28 | NC — Not connected |
| پن 29 | NC — Not connected |
| پن 30 | AVSS — Analog ground |
| پن 31 | AVDD — Analog supply (1.8 V) |
| پن 32 | AVSS — Analog ground |
| پن 33 | AVSS — Analog ground |
| پن 34 | AVDD — Analog supply (1.8 V) |
| پن 35 | AVSS — Analog ground |
| پن 36 | AVDD — Analog supply (1.8 V) |
| پن 37 | AVSS — Analog ground |
| پن 38 | AVDD — Analog supply (1.8 V) |
| پن 39 | NC — Not connected |
| پن 40 | AVSS — Analog ground |
| پن 41 | AVDD — Analog supply (1.8 V) |
| پن 42 | AVSS — Analog ground |
| پن 43 | AVDD — Analog supply (1.8 V) |
| پن 44 | AVSS — Analog ground |
| پن 45 | NC — Not connected |
| پن 46 | AVSS — Analog ground |
| پن 47 | AVDD — Analog supply (1.8 V) |
| پن 48 | AVSS — Analog ground |
عام استعمالات
ADS5103CPFBR کے لیے موزوں ہے 6 ایپلیکیشنs: Digital Camera / Camcorder Imaging Front-End, Video Frame Grabber / Surveillance DVR, Portable Test and Measurement Equipment, IF / Baseband Digitizer in Software-Defined Radio, Barcode and Document Scanner, Industrial Process Control Data Acquisition.
Digital Camera / Camcorder Imaging Front-End
The ADS5103CPFBR is well matched to digital still camera and camcorder imaging front-ends, where its 10-bit resolution and 40 MSPS throughput are sufficient to digitize a 27 MHz progressive-scan CCD or CMOS sensor output. The 1.8 V analog and digital supplies reduce power budget, and the differential input rejects common-mode noise from the analog front-end buffer. The 3.3 V-tolerant CMOS outputs connect directly to an image DSP or FPGA without level shifters, simplifying board layout.
تجویز کردہ
Video Frame Grabber / Surveillance DVR
The ADS5103CPFBR fits video frame-grabber and DVR front-ends where composite or component video (up to about 18 MHz analog bandwidth) is sampled at 27 MSPS oversampled. The pipelined architecture delivers 40 MSPS throughput, providing 4:3 oversampling of standard NTSC/PAL video. The 1.8 V internal reference simplifies analog front-end design, while the integrated sample-and-hold eases timing closure. The TQFP-48 (PFB) footprint is compact enough for half-height PCI cards.
تجویز کردہ
Portable Test and Measurement Equipment
In portable oscilloscopes, spectrum analyzers, and handheld data-acquisition modules, the ADS5103CPFBR delivers 10-bit resolution at 40 MSPS, which is adequate for digitizing signals up to about 18 MHz analog bandwidth per Nyquist. The hardware power-down pin enables duty-cycled operation to extend battery life, and the 1.8 V core supply minimizes thermal dissipation in sealed enclosures. The differential input accepts signals from a low-noise analog front-end amplifier chain.
تجویز کردہ
IF / Baseband Digitizer in Software-Defined Radio
The ADS5103CPFBR can serve as an IF or baseband digitizer in narrowband software-defined radio receivers, where its 40 MSPS sample rate and 1.8 V analog supply are well matched to low-IF signals up to 18 MHz. The differential input rejects common-mode noise from the mixer and balun stages, and the internal reference simplifies LO-leakage calibration. The 3.3 V-tolerant digital outputs interface directly to a Spartan-6 or Cyclone-IV FPGA for digital downconversion and demodulation.
تجویز کردہ
Barcode and Document Scanner
The ADS5103CPFBR provides the throughput and resolution needed for line-scan barcode imagers and high-speed document scanners, where a 1D or 2D imager is sampled at 30-40 MHz to maintain scan-rate accuracy. The 10-bit grayscale resolution captures subtle contrast variations, and the small TQFP-48 (PFB) package allows the digitizer to sit adjacent to the sensor analog front-end. The internal reference and 1.8 V supply reduce overall BOM and power consumption.
تجویز کردہ
Industrial Process Control Data Acquisition
In industrial process control and machine-vision data acquisition modules, the ADS5103CPFBR serves as a high-speed, low-power digitizer for transducer arrays, vibration sensors, and machine-vision cameras. Its 10-bit resolution is sufficient for 1% accuracy measurement systems, and the 40 MSPS throughput handles multi-channel time-interleaved sampling. The commercial temperature grade suits factory-floor enclosures with controlled climate.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ADS5103CPFBR — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ADS5103CPFB | ADS5103CPFBG4 | ADS5102IPFBR | ADS5102IPFB |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | TQFP-48 (PFB) | TQFP-48 (PFB) - same | TQFP-48 (PFB) - same | TQFP-48 (PFB) - same | TQFP-48 (PFB) - same |
| Resolution | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit |
| Sampling Rate | 40 MSPS | 40 MSPS | 40 MSPS | 65 MSPS (+62.5%) | 65 MSPS (+62.5%) |
| Input Channels | 1 differential | 1 differential | 1 differential | 1 differential | 1 differential |
| Analog Supply | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Reference Type | Internal (ext optional) | Internal (ext optional) | Internal (ext optional) | Internal (ext optional) | Internal (ext optional) |
| Data Interface | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel CMOS |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Active (per Site MPN list) | Obsolete |
| Unit Price (qty 1, USD) | 7.20 | 7.10 | 7.30 | 8.50 | 8.40 |
اہم امتیازی خصوصیات
- Pin-compatible 65 MSPS speed-upgrade path (بمقابلہADS5102IPFBR)
- Internal reference reduces BOM (بمقابلہADS5103CPFB)
- Differential input with 3.3 V-tolerant digital outputs (بمقابلہADS5103CPFBG4)
ڈیزائن نوٹس
The ADS5103CPFBR requires a clean, low-noise 1.8 V supply on AVDD and DVDD. Estimated: at 40 MSPS and 1.8 V, the analog supply current is approximately 30-40 mA and the digital current 10-20 mA, giving total power around 70-90 mW. Use an LDO such as TPS7A4701 for AVDD to minimize reference noise coupling, and place a 0.1 uF X7R ceramic bypass within 2 mm of each AVDD pin, plus a 10 uF bulk capacitor on each supply rail.
Use a 4-layer PCB with a dedicated analog ground plane tied to a single star point near the ADC. Separate analog and digital ground planes and stitch them only beneath the ADC at the AVSS/DVSS pin row. Keep the analog input traces (IN+, IN-) length-matched and 50-ohm controlled-impedance; route them away from clock and digital output bus lines. Place input coupling capacitors within 2 mm of the IN+ and IN- pins to minimize parasitic inductance.
Avoid driving the analog inputs below AVSS or above AVDD; the differential input structure of the ADS5103CPFBR requires the common-mode voltage to be biased near AVDD/2 using an external resistor network when AC-coupled. Estimated: at 40 MSPS, clock jitter should remain below 5 ps RMS to preserve 10-bit SNR at 18 MHz input. Do not tie unused digital outputs (D0-D9) to logic high; leave them floating or routed to a defined level per the datasheet.
Route the parallel digital output bus as a controlled-impedance group with 33-ohm series termination at the ADC end to damp reflections at the FPGA/ASIC receiver. Keep the digital output bus short (<50 mm) and use inner PCB layers with adjacent ground reference planes for impedance control. Use separate analog and digital via farms; do not share analog supply and digital output vias on the same net to avoid supply coupling.
تعمیل کی معلومات
Per TI product page, ADS5103 family is RoHS compliant and lead-free. The commercial temperature grade is not AEC-Q100 qualified - choose an industrial-grade or AEC-Q100 ADC for automotive or extended-temperature applications. Lifecycle status is obsolete per some distributor listings; verify with TI before committing to volume production.
