ADC08D1520CIYB - 8-Bit Dual 1.5GSPS ADC | Texas Instruments
MPN: ADC08D1520CIYB ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $88.5 | $88.50 |
| 10 | $79.65 | $796.50 |
| 100 | $67.4 | $6,740.00 |
| 500 | $56.2 | $28,100.00 |
| 1,000 | $48.9 | $48,900.00 |
ADC08D1520CIYB Overview
An analog-to-digital converter (ADC) is a semiconductor device that converts continuous analog signals into discrete digital codes at a sample rate determined by its clock input. Within the converter hierarchy, the ADC08D1520 belongs to the high-speed flash/folding-and-interpolating ADC class, sitting under the broader categories of data converters, signal chain ICs, and finally power management/signal processing semiconductors. High-speed 8-bit ADCs are commonly used as front ends for digital oscilloscopes, radar receivers, and software-defined radio where multi-GHz analog bandwidth is required.
Key features include selectable dual-channel (1.5 GSPS each) or single-channel (3.0 GSPS interleaved) operating modes, an LVDS-compatible DDR output bus, on-chip test-pattern generator for system debug, programmable clock phase adjustment for sampling alignment, and a selectable 1:1 or 1:2 output demultiplexer. Power consumption is specified at approximately 1.6 W per channel at full sample rate, which is competitive in the ultra-high-speed ADC category.
The device uses a folding-and-interpolating architecture with an internal reference ladder and sample-and-hold front end, enabling wide analog input bandwidth (>2 GHz typical) while maintaining 8-bit linearity at multi-GSPS rates. The DDR LVDS output interface simplifies capture into Xilinx and Altera FPGAs without external buffering logic.
Typical applications include digital oscilloscopes, radar and lidar signal processing, wideband satellite and microwave receivers, software-defined radio platforms, mass spectrometry, and high-speed data acquisition systems. The dual/single selectable mode enables one ADC to serve multi-channel or single-channel systems with the same hardware layout.
When designing with this device, ensure the analog input network is 50-ohm terminated and AC-coupled with proper bandwidth, and that the LVDS outputs are length-matched to the FPGA. Adequate power-rail decoupling close to each supply pin is required to meet SNR performance at full sample rate.
This page synthesizes distributor pricing, drop-in same-family alternatives, application guidance, and design notes not found in the manufacturer datasheet, enabling faster component selection and supply-chain risk mitigation.
Drop-in alternatives for ADC08D1520CIYB — 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 ADC08D1520CIYB (same form factor and footprint) — differing in Architecture, Package, Input Type, Resolution, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADC08D1500CIYB
✅ Drop-In✓ In Stock
$54 / Unit
ADC081500CIYB/NOPB
✅ Drop-In📋 Reference alternative (not in catalog)
ADC08D1000CIYB/NOPB
✅ Drop-In📋 Reference alternative (not in catalog)
ADC08D1520CIYB/NOPB
✅ Drop-In📋 Reference alternative (not in catalog)
ADC08D1520CIYB Maximum Ratings & Electrical Characteristics
| Resolution | 8 bit |
| Number of Channels | 2 (dual) / 1 (interleaved single) |
| Sample Rate - Dual Mode | 1.5 GSPS per channel |
| Sample Rate - Single Mode | 3.0 GSPS (interleaved) |
| Maximum Sample Rate | 1.7 GSPS per channel |
| Architecture | Folding and Interpolating CMOS |
| Input Type | Differential analog |
| Data Interface | LVDS DDR |
| Output Demultiplexer | Selectable 1:1 or 1:2 |
| Supply Voltage (Analog) | 1.9 V |
| Supply Voltage (Digital) | 1.9 V |
| Power Consumption | 1.6 W per channel (typ) |
| Operating Temperature | -40C to +85C (industrial) |
| Package | 128-pin HLQFP (20x20 mm) with EP |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant (NOPB suffix) |
ADC08D1520CIYB 128-pin hlqfp (20x20 mm) with ep Pin Configuration Guide
Pin configuration for ADC08D1520CIYB (128-pin hlqfp (20x20 mm) with ep 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 ADC08D1520CIYB.
Refer to the datasheet for full pin configuration.
Typical Applications
ADC08D1520CIYB is suitable for 6 applications: Digital Oscilloscope Front End, Radar and Lidar Signal Processing, Wideband Software-Defined Radio, Mass Spectrometry and Scientific Instrumentation, High-Speed Data Acquisition Systems, Satellite and Microwave Receiver IF Sampling.
Digital Oscilloscope Front End
The ADC08D1520CIYB's dual-channel 1.5 GSPS sampling per channel with 8-bit resolution and 2 GHz+ analog input bandwidth makes it ideal for the front-end digitizer of mid-bandwidth digital oscilloscopes. Placing two ADC channels at the end of the analog input attenuator and DC-offset block, the device captures real-time waveforms at up to 3.0 GSPS interleaved for higher-bandwidth single-channel modes. The LVDS DDR output bus feeds directly into an FPGA for triggering and display processing. Compared to oscilloscope ASICs, this ADC offers a flexible, programmable sample rate and standard 128-HLQFP footprint that simplifies multi-channel board layouts.
Recommended
Radar and Lidar Signal Processing
In radar and lidar receiver chains, the ADC08D1520CIYB digitizes IF or baseband signals at multi-GSPS rates, preserving return-signal detail for pulse compression and Doppler processing. The dual-channel mode allows simultaneous sampling of in-phase and quadrature (I/Q) channels from a single ADC, simplifying board layout. Its test-pattern output and programmable clock-phase adjust enable in-system calibration for I/Q channel matching, which is critical for radar sidelobe rejection. The folding-and-interpolating architecture provides wide analog bandwidth needed for chirp-radar and frequency-modulated continuous-wave (FMCW) lidar receivers.
Recommended
Wideband Software-Defined Radio
Software-defined radio platforms leverage the ADC08D1520CIYB to digitize RF signals directly at IF or low-RF frequencies, enabling software-based demodulation and modulation. The 1.5 GSPS per channel sample rate captures signals with instantaneous bandwidth up to 750 MHz per channel (Nyquist), sufficient for most cellular, Wi-Fi, and broadcast standards. The LVDS DDR output interfaces to Xilinx FPGAs running custom DSP pipelines. The dual-channel mode supports diversity reception or I/Q sampling with the same device, reducing BOM cost in SDR platforms.
Recommended
Mass Spectrometry and Scientific Instrumentation
In mass spectrometry and time-of-flight (TOF) instruments, the ADC08D1520CIYB captures transient ion-arrival events with high temporal resolution. Its 1.5 GSPS per channel sample rate resolves sub-nanosecond ion arrivals, and the dual-channel mode enables simultaneous detection from multiple detectors. The LVDS output bus delivers data directly to an FPGA or DSP for peak detection and histogram accumulation. The exposed-pad HLQFP package supports laboratory-grade thermal stability required for repeatable mass-spectrum measurements.
Recommended
High-Speed Data Acquisition Systems
Multi-channel data acquisition systems use the ADC08D1520CIYB to digitize analog signals from sensors, transducers, and test points at sustained multi-GSPS rates. The selectable 1:1 or 1:2 output demultiplexer trades FPGA pin count against timing complexity, enabling designs from 4-channel to 16-channel systems on a single backplane. The 128-HLQFP package with exposed thermal pad supports dense multi-ADC board layouts, and the LVDS interface maintains signal integrity across backplane distances. Typical use cases include vibration analysis, ultrasonic testing, and electromagnetic compatibility test receivers.
Recommended
Satellite and Microwave Receiver IF Sampling
Satellite and microwave receiver systems use the ADC08D1520CIYB to digitize intermediate-frequency (IF) signals at L-band or S-band, enabling digital channelization and demodulation downstream. The 1.5 GSPS per channel sample rate captures wideband satellite transponders and microwave links, and the folding-and-interpolating architecture provides the analog bandwidth needed for direct IF sampling without downconversion stages. The LVDS DDR output feeds into radiation-tolerant or industrial-grade FPGAs for digital signal processing.
Recommended
Recommended Products Summary
Engineering reference data for ADC08D1520CIYB — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADC08D1500CIYB | ADC081500CIYB/NOPB | ADC08D1000CIYB/NOPB | ADC08D1520CIYB/NOPB |
|---|---|---|---|---|---|
| Package | 128-HLQFP (20x20) with EP | 128-HLQFP (20x20) with EP - same | 128-HLQFP (20x20) with EP - same | 128-HLQFP (20x20) with EP - same | 128-HLQFP (20x20) with EP - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 8 bit | 8 bit | 8 bit | 8 bit | 8 bit |
| Sample Rate (Dual) | 1.5 GSPS per channel | 1.5 GSPS per channel | 1.5 GSPS per channel | 1.0 GSPS per channel (-33%) | 1.5 GSPS per channel |
| Sample Rate (Single Interleaved) | 3.0 GSPS | 3.0 GSPS | 3.0 GSPS | 2.0 GSPS | 3.0 GSPS |
| Test Pattern Output | Yes | No | No | No | Yes |
| Clock Phase Adjust | Yes | No | No | No | Yes |
| Selectable Demux (1:1 / 1:2) | Yes | No | No | No | Yes |
| RoHS Status | Non-compliant (CIYB suffix) | Non-compliant (CIYB) | Compliant (NOPB) | Compliant (NOPB) | Compliant (NOPB) |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND |
Key Differentiators
- Adds test-pattern output for system-level debug visibility (vs ADC08D1500CIYB)
- Includes programmable clock-phase adjust for I/Q skew correction (vs ADC081500CIYB/NOPB)
- Selectable 1:1 or 1:2 output demultiplexer (vs ADC08D1000CIYB/NOPB)
- Higher sample rate than ADC08D1000 family at same package (vs ADC08D1000CIYB/NOPB)
Design Notes
The 128-HLQFP package requires a 4-layer PCB with continuous ground plane under the exposed thermal pad and dedicated analog/digital supply planes routed as islands. Place 0.1 uF ceramic decoupling capacitors within 2 mm of every supply pin and a 10 uF bulk capacitor near the analog supply entry point. Route the differential analog inputs (INA+/INA-, INB+/INB-) as 50-ohm controlled-impedance matched-length traces with AC-coupling capacitors placed close to the ADC input pins to avoid common-mode instability.
The LVDS DDR output pairs must be routed as 100-ohm differential matched-length traces (within 10 mil of matching per pair). Keep total trace length under 15 cm to maintain signal integrity at 750 MHz DDR clock. Avoid routing LVDS outputs across split ground planes or near noisy switching supplies; if crossing is unavoidable, use orthogonal routing and a continuous reference plane on a separate layer.
Estimated: At 1.5 GSPS dual mode, total power dissipation is approximately 3.2 W (1.6 W per channel per TI datasheet typical values). With the 128-HLQFP exposed-pad package and a properly designed 4-layer PCB, theta_JA is approximately 18 C/W, yielding a 58C junction temperature rise above 25C ambient. For sustained operation at 85C ambient, attach a small clip-on heatsink or use forced airflow to maintain Tj below the 125C maximum.
Do not enable interleaved single-channel mode (3.0 GSPS) without first calibrating the clock-phase adjust to compensate for channel-to-channel skew; uncorrected skew causes severe SFDR degradation at high input frequencies. Ensure the calibration routine is run at power-up and after any significant temperature change. Also note that the /NOPB RoHS-compliant variant uses an exposed pad with different solder paste profile than the legacy CIYB non-RoHS variant - verify reflow profile compatibility.
Compliance Information
The CIYB (without /NOPB suffix) variant is not RoHS compliant - lead-free and RoHS compliance requires the /NOPB suffix variant. Not AEC-Q100 qualified - not intended for automotive applications. Conflict-mineral compliance per TI product page.
