THS1215CPWRG4 - 12-Bit 15 MSPS Low-Power ADC | Texas Instruments
MPN: THS1215CPWRG4 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.2 | $8.20 |
| 10 | $7.45 | $74.50 |
| 100 | $6.5 | $650.00 |
| 500 | $5.65 | $2,825.00 |
| 1,000 | $4.95 | $4,950.00 |
THS1215CPWRG4 Overview
An analog-to-digital converter (ADC) is a data-acquisition component that samples a continuous analog waveform and quantizes each sample into a discrete digital code. Within the broader IC taxonomy, this part is a successive-approximation / pipelined hybrid ADC, a member of the data-converter family under signal-conditioning and mixed-signal ICs. ADCs are typically the bridge between a transducer or analog signal chain and an FPGA, ASIC, or DSP that processes the resulting samples; converter resolution (bits) and sample rate (MSPS) jointly determine the achievable signal bandwidth and dynamic range of the digital system.
Key features of the THS1215CPWRG4 include 12-bit resolution, 15 MSPS sample rate, CMOS technology for low power, internal voltage reference with several user-selectable ranges, an out-of-range indicator, and an integrated power-down mode for battery-powered applications. The configurable analog input block supports single-ended, single-ended-with-offset, and differential topologies, allowing direct connection to single-supply op-amp drivers without external level shifters. Parallel CMOS digital outputs ease the interface to modern FPGAs and microcontrollers that use 3.3 V I/O banks.
Architecturally, the THS1215 uses a pipelined core with internal sample-and-hold, an on-chip reference, and CMOS output drivers. The pipelined topology yields high throughput at low power, which makes the part well suited for portable imaging, CCD scanners, digital communication IF strips, and general-purpose DSP front ends. The internal reference removes the need for an external precision reference and the associated board area and BOM cost.
Typical applications include digital still cameras and camcorders, set-top box video processing, portable instrumentation, ultrasound and other medical imaging front ends, digital communication IF/baseband digitization, and any compact DSP-based data-acquisition board where low power and 12-bit accuracy at tens of MSPS are required. Designers choose this part when they need the simplicity of a single 3.3 V rail and the integration of input amplifiers, reference, and parallel output in one small TSSOP.
When designing with the THS1215CPWRG4, ensure that the analog input common-mode voltage and the chosen Mode-1 / Mode-2 gain setting match the driver amplifier output swing; a small RC anti-alias filter on the analog input is recommended, and the digital outputs should be routed with controlled impedance to avoid coupling noise back into the analog section. Decoupling should include a 0.1 uF ceramic close to AVDD and a bulk tantalum or polymer cap on the same rail.
This page synthesizes distributor pricing, drop-in TSSOP-28 alternatives, and practical design notes not found in the manufacturer datasheet; engineers should still verify timing, latency, and ENOB against the latest TI datasheet revision before committing to a bill of materials.
Drop-in alternatives for THS1215CPWRG4 — 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 THS1215CPWRG4 (same form factor and footprint) — differing in Architecture, Input Configuration, Operating Temperature, Resolution, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
THS1215IPWRG4
✅ Drop-In📋 Reference alternative (not in catalog)
THS1215CPWR
✅ Drop-In📋 Reference alternative (not in catalog)
THS1215IPW
✅ Drop-In📋 Reference alternative (not in catalog)
THS1215IDW
✅ Drop-In📋 Reference alternative (not in catalog)
THS1215CPWG4
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
THS1209CDAG4
✅ Drop-In✓ In Stock
$6.05 / Unit
View Datasheet →THS1215CPWRG4 Maximum Ratings & Electrical Characteristics
| Resolution | 12 bits |
| Sample Rate | 15 MSPS |
| Number of Inputs | 1 input, pipelined |
| Supply Voltage | 3.3 V (single supply) |
| Analog Input Range | -2 V to +2 V (differential / single-ended) |
| Input Configuration | Single-ended, single-ended with offset, or differential (Mode 1 gain = 1.0; Mode 2 gain = 0.5) |
| Digital Interface | Parallel CMOS, binary output code |
| Voltage Reference | Internal (user-selectable ranges) |
| Power-Down Mode | Yes (integrated) |
| Out-of-Range Indicator | Yes |
| Architecture | CMOS pipelined |
| Operating Temperature | -40C to +85C |
| Package | 28-pin TSSOP (PW) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant (G4 suffix denotes lead-free / RoHS, per TI nomenclature) |
THS1215CPWRG4 Pin Configuration
| Pin 1 | AVDD — Analog 3.3 V supply |
| Pin 2 | AVSS — Analog ground |
| Pin 3 | AINP — Analog input (positive) |
| Pin 4 | AINN — Analog input (negative) |
| Pin 5 | VREF — Voltage reference bypass |
| Pin 6 | MODE0 — Input mode select 0 |
| Pin 7 | MODE1 — Input mode select 1 |
| Pin 8 | REFSEL0 — Reference range select 0 |
| Pin 9 | REFSEL1 — Reference range select 1 |
| Pin 10 | PD — Power-down control |
| Pin 11 | ORN — Out-of-range indicator (active low) |
| Pin 12 | DVSS — Digital ground |
| Pin 13 | DVDD — Digital 3.3 V supply |
| Pin 14 | CLK — Conversion clock input |
| Pin 15 | D0 — Data output bit 0 (LSB) |
| Pin 16 | D1 — Data output bit 1 |
| Pin 17 | D2 — Data output bit 2 |
| Pin 18 | D3 — Data output bit 3 |
| Pin 19 | D4 — Data output bit 4 |
| Pin 20 | D5 — Data output bit 5 |
| Pin 21 | D6 — Data output bit 6 |
| Pin 22 | D7 — Data output bit 7 |
| Pin 23 | D8 — Data output bit 8 |
| Pin 24 | D9 — Data output bit 9 |
| Pin 25 | D10 — Data output bit 10 |
| Pin 26 | D11 — Data output bit 11 (MSB) |
| Pin 27 | AVSS — Analog ground (second) |
| Pin 28 | AVDD — Analog 3.3 V supply (second) |
Typical Applications
THS1215CPWRG4 is suitable for 6 applications: Digital Imaging Front End, Set-Top Box Video and Audio Capture, Portable Test and Measurement Instrumentation, Digital Communication IF / Baseband Digitization, Medical Imaging Front End, DSP Front-End Data Acquisition.
Digital Imaging Front End
The THS1215CPWRG4 fits digital still cameras and camcorder front ends as the high-resolution, low-power 12-bit, 15 MSPS digitizer that follows the analog signal chain from the CCD / CMOS image sensor. Its pipelined CMOS core delivers 15 MSPS throughput in a 3.3 V single-rail supply, matching the pixel clock rates typical of VGA to 1 megapixel sensors without burning the battery budget. The internal voltage reference and integrated power-down mode let the system idle between frames and wake up on demand, cutting total power in burst-mode imaging. Compared with a 40 MSPS part the THS1215 offers roughly half the power consumption, which directly extends battery life in portable cameras.
Recommended
Set-Top Box Video and Audio Capture
The THS1215CPWRG4 works well in set-top box and home-entertainment capture cards where composite or component video must be sampled at the 27 MHz baseband rate that 15 MSPS comfortably supports for SD content. Its parallel CMOS outputs interface directly to a typical media processor or FPGA running at 3.3 V I/O, eliminating level shifters. The internal reference and out-of-range indicator simplify system-level diagnostics: the OOR flag signals over-range conditions to the host processor without polling the data bus. With 28 TSSOP pinout and a low-power CMOS core, the part slips into compact consumer boxes without active cooling.
Recommended
Portable Test and Measurement Instrumentation
The THS1215CPWRG4 is a strong fit for handheld oscilloscopes, data loggers, and portable spectrum analyzers where 12 bits of resolution at 15 MSPS digitizes mid-bandwidth analog signals with enough dynamic range for measurement-grade accuracy. Its 3.3 V single-supply operation simplifies the battery-powered design and the integrated power-down mode reduces idle current between measurements. The configurable single-ended / differential input accepts either direct probe signals or transformer-coupled AC inputs, which is helpful in mixed-signal test equipment. Drop-in compatibility with the THS1215IPWRG4 industrial variant lets the same PCB serve commercial and ruggedized field instruments.
Recommended
Digital Communication IF / Baseband Digitization
The THS1215CPWRG4 suits IF and baseband digitization in software-defined radios and base-station modems where 12 bits at 15 MSPS comfortably captures a 5-7 MHz IF channel with ample dynamic range for downstream DSP. Its CMOS pipelined core offers excellent linearity in the band of interest, and the parallel output streams samples directly into an FPGA running the demodulator. Single 3.3 V supply operation removes the need for a bipolar analog rail, reducing component count and PCB area. The same pinout across the THS1215 family supports quick retargeting to higher or lower TI parts as a link's bandwidth budget changes.
Recommended
Medical Imaging Front End
The THS1215CPWRG4 is suitable as the 12-bit, 15 MSPS digitizer in ultrasound receivers and other medical-imaging front ends where each channel must sample at rates compatible with low-end ultrasound transducers. Its low-power CMOS core helps the front-end array consume less than higher-speed converters, easing thermal-management constraints on the patient-side PCB. Internal voltage reference and out-of-range flag simplify a multi-channel board layout and system-level diagnostics in instruments with 8 to 32 receive channels. The 28-TSSOP package and TSSOP-family pinout let designers reuse one analog front-end schematic across several performance tiers in the product family.
Recommended
DSP Front-End Data Acquisition
The THS1215CPWRG4 digitizes analog signals ahead of a DSP in motor-control, audio processing, and industrial-control boards where 12 bits of resolution at 15 MSPS is sufficient for closed-loop feedback and audio-bandwidth signal chains. Its parallel CMOS output streams samples directly into DSP serial or parallel ports, and the 3.3 V single-rail supply aligns with most modern DSP power trees. The integrated power-down mode lets the DSP gate the converter's clock when no conversion is needed, simplifying software-driven power management in industrial control loops. Pinout compatibility with the rest of the THS1215 family lets the same PCB support multiple performance points without rework.
Recommended
Recommended Products Summary
Engineering reference data for THS1215CPWRG4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | THS1215IPWRG4 | THS1215CPWR | THS1215IPW | THS1215IDW | THS1215CPWG4 | THS1209CDAG4 |
|---|---|---|---|---|---|---|---|
| Package | 28-TSSOP (PW) | 28-TSSOP | 28-TSSOP | 28-TSSOP | 28-SOIC wide-body | 28-TSSOP | 32-TSSOP |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits | 12 bits |
| Sample Rate | 15 MSPS | 15 MSPS | 15 MSPS | 15 MSPS | 15 MSPS | 15 MSPS | 8 MSPS |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Operating Temperature | -40C to +85C (industrial via IPW variant) | -40C to +85C | 0C to +70C | -40C to +85C | -40C to +85C | 0C to +70C | -40C to +85C |
| Internal Reference | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Power-Down Mode | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| RoHS Status | Compliant (G4 finish) | Compliant | Compliant (non-G4) | Compliant (non-G4) | Compliant | Compliant | Compliant |
Key Differentiators
- Industrial-grade -40C to +85C temperature range with identical electrical performance (vs THS1215CPWRG4 (commercial 0C to +70C))
- Same THS1215 die and pinout in tube packaging for prototype / lab use (vs THS1215CPWRG4 tape and reel (production))
- Pin-compatible 8 MSPS lower-cost family member for cost-sensitive designs (vs THS1209CDAG4 (32-TSSOP, 12-bit, 8 MSPS))
Design Notes
Place a 0.1 uF X7R ceramic bypass capacitor within 2 mm of each analog supply pin (AVDD) and a second on the digital supply pin (DVDD), tying all grounds to a single low-impedance ground plane. Use a separate analog ground island under the converter that joins the digital ground only at a single point near the converter to avoid injecting digital switching noise into the analog sample-and-hold. Add a 10 uF bulk tantalum or polymer cap on each rail within 25 mm of the part for low-frequency decoupling.
Route the analog input traces as a short, 50 ohm-controlled differential pair from the driver amplifier to AINP / AINN and place an RC anti-alias filter (typically 10 ohm + 22 pF for 100 MHz of bandwidth) immediately adjacent to the analog inputs. The CMOS clock trace should be length-matched to within 1 mm of any parallel data lines and kept away from the analog power and reference pins to prevent digital coupling back into the conversion result.
Although the THS1215CPWRG4 dissipates only modest power at full 15 MSPS operation, the 28-TSSOP package relies on the PCB copper area for heat removal - keep at least 100 sq mm of 1 oz copper tied to the analog ground as a thermal pad to drop junction-to-ambient resistance. In sealed enclosures or stacked PCB designs, an additional copper pour on the opposite side of the board further reduces theta_JA. No external heatsink is needed for typical indoor / portable use cases.
Do not leave unused digital outputs floating - either tie them to GND through 10 kohm resistors or actively drive them, because floaters couple noise into the substrate and corrupt subsequent samples. Always program the MODE0 / MODE1 pins to the desired input configuration before applying power; the device latches the mode on power-up. If using the internal reference, place the VREF bypass cap as close as possible to the pin and avoid routing noisy digital lines across that node.
Tie the PD pin low during normal operation for full 15 MSPS conversion; driving the pin high enters the integrated power-down mode and reduces quiescent current to a few milliamps, which is essential for battery-powered designs that idle most of the time. Hold the clock low for at least 50 ns before asserting PD to complete any in-flight sample correctly. The host DSP or FPGA should sequence PD so that the converter wakes up a few tens of microseconds before the first valid conversion is required.
Compliance Information
G4 suffix denotes TI RoHS-compliant lead-free finish per TI part-number nomenclature; no AEC-Q100 qualification is offered for this family - choose a different TI automotive-grade ADC for AEC-Q100 systems. Conflict-mineral compliance per TI's standard reporting.
