ADS5103IPFBRG4 - 10-Bit 40MSPS 1.8V ADC w/Power-Down | TI TQFP-48
MPN: ADS5103IPFBRG4 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.85 | $7.85 |
| 10 | $7.1 | $71.00 |
| 100 | $6.05 | $605.00 |
| 500 | $5.2 | $2,600.00 |
| 1,000 | $4.4 | $4,400.00 |
ADS5103IPFBRG4 Overview
An ADC (Analog-to-Digital Converter) is a data-acquisition integrated circuit that samples continuous analog input voltages and converts each sample into a discrete digital code, enabling downstream DSP, FPGA, or microcontroller processing. Within the broader taxonomy, the ADS5103 is a pipelined flash-adjacent video-speed ADC, sitting between general-purpose successive-approximation (SAR) ADCs and high-speed pipeline ADCs in both sampling rate (up to 40 MSPS) and resolution (10 bits). The ADS5103 family is engineered for low-voltage, low-power imaging, video digitisation, and portable instrumentation.
Key specifications include 10-bit resolution, 40 MSPS maximum sampling rate, 1.8 V analog and digital supply (single rail), internal 1.8 V reference with optional external reference input, differential analog inputs, CMOS-compatible digital outputs, integrated power-down (Pwrdwn) pin, and industrial -40C to +85C operating temperature range. The device features 1.8 V I/O logic directly compatible with 1.8 V FPGAs/ASICs, and a 3.3 V tolerant digital output mode for legacy 3.3 V system interfaces.
The ADS5103 uses a pipelined architecture with internal sample-and-hold, providing low-latency conversion suitable for video-rate imaging pipelines. The single 1.8 V supply dramatically simplifies power-tree design, while the integrated reference eliminates the need for an external reference IC and its associated decoupling. Power-down mode reduces quiescent current to microampere levels for battery-powered applications.
Typical applications include portable video digitizers, digital still cameras, CCD/CIS image sensor front-ends, video surveillance front-ends, medical imaging pre-processing, and industrial machine-vision cameras. The industrial temperature grade makes the ADS5103IPFBRG4 suitable for factory-floor and outdoor equipment.
When designing with this part, place 0.1 uF ceramic bypass capacitors as close as possible to every AVDVD pin pair, keep analog input traces impedance-controlled (typically 50 ohm differential), and respect the 1.8 V logic level compatibility with downstream digital receivers. The power-down pin should be tied to AVDD through a 10 kohm pull-up if unused.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for ADS5103IPFBRG4 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ADS5103IPFBRG4 (same form factor and footprint) — differing in Package, Input Type, Resolution, Operating Temperature, Reference.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADS5103IPFBR
✅ Drop-In✓ In Stock
$9.8 / Unit
View Datasheet →ADS5103CPFBRG4
✅ Drop-In✓ In Stock
$4.95 / Unit
View Datasheet →ADS5103CPFBR
✅ Drop-In✓ In Stock
$4.45 / Unit
View Datasheet →ADS5102IPFBR
✅ Drop-In✓ In Stock
$5.05 / Unit
View Datasheet →ADS5103IPFBRG4 Maximum Ratings & Electrical Characteristics
| Resolution | 10 bit |
| Sample Rate | 40 MSPS |
| Number of Channels | 1 |
| Analog Supply Voltage | 1.8 V |
| Digital Supply Voltage | 1.8 V (3.3 V tolerant I/O option) |
| Input Type | Differential |
| Reference | Internal 1.8 V (external reference supported) |
| Output Interface | Parallel CMOS |
| Architecture | Pipelined |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 48-pin TQFP (PFB) |
| Mounting Type | Surface Mount |
| Power-Down Pin | Yes (Pwrdwn) |
| MSL Level | 2 (1 year floor life at <=30C/60% RH) |
| RoHS Status | Compliant (G4 suffix) |
| Lead-Free | Yes |
ADS5103IPFBRG4 48-pin tqfp (pfb) Pin Configuration Guide
Pin configuration for ADS5103IPFBRG4 (48-pin tqfp (pfb) package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for ADS5103IPFBRG4.
Refer to the datasheet for full pin configuration.
Typical Applications
ADS5103IPFBRG4 is suitable for 6 applications: Portable Video Digitizer, Digital Still Camera (DSC) Front-End, Video Surveillance / IP Camera, Industrial Machine Vision, Medical Imaging Pre-Processing, Portable Test & Measurement Instrumentation.
Portable Video Digitizer
The ADS5103IPFBRG4's 40 MSPS sampling rate comfortably exceeds the 27 MHz pixel clock of standard-definition video, providing headroom for oversampling and digital filtering. Its single 1.8 V supply simplifies the power tree of battery-powered camcorders, USB capture sticks, and HDMI front-ends, eliminating the need for multiple rails. The integrated power-down pin enables <10 uA standby current when the camera is off, extending battery life. Differential analog inputs reject common-mode noise from the analog video front-end, and the CMOS parallel outputs interface directly to 1.8 V FPGAs without level shifters, reducing BOM cost and PCB area in compact portable video designs.
Recommended
Digital Still Camera (DSC) Front-End
The ADS5103IPFBRG4 digitises the analog output of CCD or CMOS image sensors (CIS) in digital still cameras. Its 10-bit resolution matches the dynamic range of mid-range CIS imagers, and the 40 MSPS sample rate supports up to QVGA at 60 fps or VGA at 30 fps preview streams. The internal 1.8 V reference removes a component from the BOM and shrinks PCB area - critical for compact camera modules. Power-down mode between exposures drops the quiescent current to microampere levels, extending battery life on hundreds of shots per charge.
Recommended
Video Surveillance / IP Camera
The ADS5103IPFBRG4 is suited for video surveillance and IP-camera front-ends where 10-bit dynamic range captures both shadow detail and highlights in security scenes. The industrial -40C to +85C temperature range enables outdoor camera installations, and the 1.8 V operation simplifies PoE-powered designs. Differential analog inputs reject the switching noise from Ethernet PHYs and DC-DC converters, while the parallel CMOS outputs stream directly into an SoC's video input port. Power-down mode enables the camera to enter low-power standby when motion is not detected.
Recommended
Industrial Machine Vision
The ADS5103IPFBRG4's 40 MSPS sample rate and 10-bit resolution suit industrial machine-vision systems such as PCB AOI (automated optical inspection), pick-and-place vision, and barcode/imaging inspection lines. Industrial -40C to +85C operation survives factory-floor temperature swings, and the single 1.8 V supply reduces power-tree complexity. The differential input rejects noise from nearby motor drives and switching power supplies typical of factory environments. The integrated power-down pin supports frame-by-frame triggering for line-scan or triggered-area imaging applications.
Recommended
Medical Imaging Pre-Processing
The ADS5103IPFBRG4 digitises analog signals from ultrasound transducers, endoscope cameras, and patient-monitoring sensors in medical imaging pre-processing front-ends. The 40 MSPS sample rate supports ultrasound IF digitisation up to 20 MHz, and the 10-bit resolution matches the dynamic range of mid-range ultrasound front-ends. Industrial temperature grade and the differential input reject common-mode noise from electrosurgical and RF equipment in the operating room. The single 1.8 V operation is well suited to battery-powered portable ultrasound and handheld endoscopy devices.
Recommended
Portable Test & Measurement Instrumentation
The ADS5103IPFBRG4 serves as the digitiser front-end in portable oscilloscopes, spectrum analysers, and data-acquisition modules. Its 40 MSPS sample rate and 10-bit resolution cover the 1 MHz to 20 MHz bandwidth of handheld scopes, while the 1.8 V supply and power-down pin extend battery runtime in field instruments. The differential analog input allows direct connection to differential probes, eliminating the need for external instrumentation amplifiers. Industrial temperature grade supports outdoor field use, and the parallel CMOS outputs stream directly to LCD controllers or USB bridges.
Recommended
Recommended Products Summary
Engineering reference data for ADS5103IPFBRG4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADS5103IPFBR | ADS5103CPFBRG4 | ADS5103CPFBR | ADS5102IPFBR |
|---|---|---|---|---|---|
| Package | 48-pin TQFP (PFB) | 48-pin TQFP (PFB) - same | 48-pin TQFP (PFB) - same | 48-pin TQFP (PFB) - same | 48-pin TQFP (PFB) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit |
| Sample Rate | 40 MSPS | 40 MSPS | 40 MSPS | 40 MSPS | 65 MSPS (62.5% faster) |
| Supply Voltage | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Commercial 0C to +70C | Commercial 0C to +70C | Industrial -40C to +85C |
| Pb-Free / RoHS | Yes (G4 suffix) | No (SnPb finish) | Yes (G4 suffix) | No (SnPb finish) | No (SnPb finish) |
| Reel Orientation | Right-hand (G4 suffix) | Left-hand | Right-hand (G4 suffix) | Left-hand | Left-hand |
| Power-Down Pin | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Pb-free / RoHS-compliant lead finish with industrial temperature grade (vs ADS5103IPFBR)
- Wider industrial temperature range than commercial alternatives (vs ADS5103CPFBRG4)
- 40 MSPS headroom for SD video oversampling and digital filtering (vs ADS5103CPFBR)
- Right-hand tape-and-reel orientation matches modern SMD assembly lines (vs ADS5102IPFBR)
Design Notes
The ADS5103IPFBRG4 operates from a single 1.8 V rail shared between analog (AVDD) and digital (DVDD) supplies. Place a ferrite bead or 1-ohm resistor between AVDD and DVDD to isolate digital switching noise from the analog domain. Decouple every AVDD/DVDD pin pair with a 0.1 uF X7R ceramic capacitor placed within 2 mm of the pin, plus a 10 uF bulk tantalum or ceramic capacitor near the package. Estimated: at 40 MSPS with CMOS output loading, total supply current is approximately 50-70 mA.
Route analog input traces as a 50-ohm differential pair (100-ohm differential impedance) from the source amplifier to the AINP/AINN pins. Keep input trace length below 25 mm to minimise reflections at 40 MSPS. Surround the analog input pair with a continuous ground pour on the top layer, and use a solid ground plane on layer 2. Place the 0.1 uF input coupling capacitors as close to the AINP/AINN pins as possible.
The CMOS parallel outputs (D0-D9) can drive a few inches of PCB trace directly, but should be series-terminated with 33-ohm resistors when routing to an FPGA across a connector or backplane. The clock input (CLK) must be driven by a low-jitter source - jitter above 5 ps RMS directly degrades SNR. Use a dedicated clock buffer (e.g., CDCE906) rather than a divided DSP clock to minimise aperture jitter on the ADS5103's sample-and-hold.
Do not connect 3.3 V logic directly to the CMOS outputs unless the 3.3 V tolerant I/O mode is selected via the appropriate configuration pin - the default 1.8 V outputs will be damaged by 3.3 V levels. Do not leave the Pwrdwn pin floating; tie it to AVDD through a 10 kohm pull-up if the power-down feature is unused. Avoid routing the CLK trace parallel to the analog inputs - coupling will appear as harmonic spurs in the ADC output FFT.
Compliance Information
G4 suffix on the part number denotes Pb-free / RoHS-compliant lead finish per TI's lead-free conversion policy. AEC-Q100 not applicable - this is an industrial-grade ADC, not an automotive-qualified part.