PCM4202IDBREP - 24-Bit 216kHz Stereo Audio ADC, 28-SSOP | Texas Instruments
MPN: PCM4202IDBREP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.25 | $112.50 |
| 100 | $10 | $1,000.00 |
| 500 | $8.95 | $4,475.00 |
| 1,000 | $7.95 | $7,950.00 |
PCM4202IDBREP Overview
A stereo audio ADC is a high-resolution converter that digitizes two channels of analog audio into a bitstream suitable for storage, mixing, or further DSP processing. In the broader signal chain hierarchy, the PCM4202IDBREP sits between microphone preamplifiers / line inputs and downstream digital processing, occupying the analog-to-digital conversion stage of the audio chain. The PCM4202IDBREP architecture uses a 1-bit delta-sigma modulator per channel with a novel density-modulated dither scheme for improved dynamic performance at low signal levels.
Key features include 118 dB dynamic range (A-weighted), 105 dB THD+N (-1 dBFS), 216 kHz maximum sampling rate, support for 64x or 128x oversampled 1-bit Direct Stream Digital (DSD) output, a flexible PCM/DSD mode-selection pin, and a power-down mode for energy-aware applications. The device operates from a 3.3 V or 5 V analog supply and a 3.3 V digital supply, with internal low-dropout regulators that simplify system power design.
Technical depth: the delta-sigma architecture oversamples the input at a multiple of the target PCM rate, then shapes quantization noise away from the audio band so that a simple decimation filter yields a wide-dynamic-range, low-distortion conversion. The built-in dither reduces idle-channel tones and eliminates correlated pattern noise at low signal levels. Differential analog inputs and a dedicated SCK/BCK/LRCK PCM interface, plus a separate DSD clock/data output, allow direct connection to DSP processors, DACs, or asynchronous sample-rate converters.
Typical applications include professional studio recording interfaces, broadcast digital mixing consoles, audiophile outboard A/D converters, high-end USB audio interfaces, and DSD-capable recording chains. The PCM4202IDBREP is particularly valued in designs where the host DSP or FPGA already handles PCM/DSD routing and needs a converter whose interface timing is straightforward to integrate.
Design consideration: power-supply decoupling is critical for achieving the headline dynamic-range number. Place a 10 uF bulk capacitor plus 0.1 uF and 1 nF ceramics directly at each AVDD/DVDD pin, and keep the analog ground return path isolated from the digital return at the device. For best performance, configure MCLK at the appropriate multiple of the target sampling rate and verify that BCK, LRCK, and SCK meet the timing windows specified in the manufacturer datasheet.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including verified cross-reference data from the TI cross-reference search and major franchised distributors.
Drop-in alternatives for PCM4202IDBREP — 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 PCM4202IDBREP (same form factor and footprint) — differing in Package, Resolution, Sampling Rate, Number of Channels, Analog Supply Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PCM4202PW
✅ Drop-In📋 Reference alternative (not in catalog)
PCM4202IPW
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
V62/07642-01XE
✅ Drop-In📋 Reference alternative (not in catalog)
PCM1804PW
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
AK5394AVS
✅ Drop-In✓ In Stock
$27.5 / Unit
View Datasheet →CS5381
✅ Drop-In📋 Reference alternative (not in catalog)
PCM4202IDBREP Maximum Ratings & Electrical Characteristics
| Manufacturer Part Number | PCM4202IDBREP |
| Manufacturer | Texas Instruments |
| Description | High-Performance 24-Bit 216 kHz Sampling Stereo Audio ADC |
| Converter Type | ADC, Delta-Sigma, Stereo |
| Number of Channels | 2 (Stereo) |
| Resolution | 24-bit |
| Maximum Sampling Rate | 216 kHz |
| Dynamic Range (SNR) | 118 dB (A-weighted, typ) |
| THD+N | 105 dB (typ, -1 dBFS) |
| Output Formats | I2S, Left-Justified, Right-Justified, DSD (64x/128x) |
| Analog Supply Voltage | 3.3 V or 5 V (typ) |
| Digital Supply Voltage | 3.3 V (typ) |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| Package | 28-SSOP (DB) |
| Number of Pins | 28 |
| Mounting Type | Surface Mount |
| MSL Level | 2 (per JEDEC J-STD-020) |
| Qualification | Enhanced Product (EP), Industrial |
| RoHS Status | Compliant |
PCM4202IDBREP Pin Configuration
| Pin 1 | VINL+ — Positive differential analog input, left channel |
| Pin 2 | VINL- — Negative differential analog input, left channel |
| Pin 3 | AGND — Analog ground |
| Pin 4 | AVDD — Analog supply (5V or 3.3V) |
| Pin 5 | VREF — Reference decoupling (datasheet) or NC |
| Pin 6 | AGND — Analog ground |
| Pin 7 | VINR- — Negative differential analog input, right channel |
| Pin 8 | VINR+ — Positive differential analog input, right channel |
| Pin 9 | AGND — Analog ground |
| Pin 10 | AGND — Analog ground |
| Pin 11 | NC — Not connected (per datasheet) |
| Pin 12 | AGND — Analog ground |
| Pin 13 | DVDD — Digital supply (3.3V) |
| Pin 14 | DGND — Digital ground |
| Pin 15 | MCLK — Master clock input |
| Pin 16 | BCK — Bit clock input/output |
| Pin 17 | LRCK — Word clock (left-right clock) input/output |
| Pin 18 | DOUT — PCM serial data output |
| Pin 19 | SCKI — System clock input / format select (datasheet) |
| Pin 20 | FMT — Output format select (PCM / DSD, datasheet) |
| Pin 21 | DSD-CLK — DSD clock output (datasheet) |
| Pin 22 | DSD-DATA — DSD data output (datasheet) |
| Pin 23 | PWD — Power-down input (active high, datasheet) |
| Pin 24 | RST — Reset input (active low, datasheet) |
| Pin 25 | MD — Mode select (master/slave, datasheet) |
| Pin 26 | TEST — Test mode select (datasheet) |
| Pin 27 | AGND — Analog ground |
| Pin 28 | AGND — Analog ground |
Typical Applications
PCM4202IDBREP is suitable for 7 applications: Professional Studio Recording Interface, Broadcast Digital Mixing Console, Audiophile Outboard A/D Converter, High-End USB Audio Interface, DSD-Capable Recording Chain, Test and Measurement Audio Analyzer, Medical and Scientific Audio Capture.
Professional Studio Recording Interface
The PCM4202IDBREP is purpose-built for professional studio A/D front-ends where a flat, low-distortion capture of audio sources is mandatory. With 118 dB SNR (A-weighted, typ) and 105 dB THD+N per the TI datasheet, it sits in the signal chain immediately after the microphone preamplifier and converts balanced line-level audio into 24-bit PCM at 96 kHz, 192 kHz, or 216 kHz for downstream recording or DSP. The 1-bit delta-sigma modulator plus density-modulated dither cleanly suppresses idle-channel tones, so the converter can sit at the input of a DAW capture path or AES17 meter chain without audible degradation. Unlike lower-end codecs, the PCM4202IDBREP does not require exotic input filtering, which simplifies the PCB and helps preserve the preamp's published noise figure.
Recommended
Broadcast Digital Mixing Console
The PCM4202IDBREP's industrial -40C to +85C enhanced-product rating and 24-bit 216 kHz capability suit it for broadcast mixing consoles where long-term reliability and wide dynamic range are required in temperature-uncertain rack environments. It digitizes mic and line inputs to PCM for the mixing engine and can switch to DSD (64x/128x oversampled 1-bit) mode for emerging DSD broadcast workflows. Its dual PCM/DSD output flexibility gives broadcast OEMs a single qualified BOM line for both traditional PCM and DSD distribution paths. Differential VIN inputs reject common-mode hum from long analog cable runs in venue installations, which is critical for live-broadcast trucks.
Recommended
Audiophile Outboard A/D Converter
Audiophile outboard ADC chassis rely on the PCM4202IDBREP's wide dynamic range and ultra-low distortion to deliver a transparent capture of vinyl, tape, or live analog sources for archival or remastering workflows. The DSD (1-bit Direct Stream Digital) output mode enables super-audio-CD (SACD) mastering pipelines, while the I2S / left-justified PCM output is routed to the chassis' DSP engine for room correction, RIAA equalization, or click-and-pop removal. The 28-SSOP footprint is easy to hand-prototype on hobby-grade PCBs, and the density-modulated dither scheme keeps the noise floor below microphone self-noise.
Recommended
High-End USB Audio Interface
USB audio interfaces from prosumer to professional tiers use the PCM4202IDBREP as the front-end ADC because it supports the full set of USB-class-compliant sample rates including 44.1, 48, 88.2, 96, 176.4, 192, and 216 kHz at 24-bit depth. The wide MCLK ratio options (128x/192x/256x/384x/512x/768x) make it compatible with common USB-to-I2S bridge controllers without external PLLs. It captures both line and instrument inputs cleanly and the built-in dither prevents pattern noise at low signal levels that often plagues USB mic preamp chains. Industrial-grade temperature compliance ensures stable behavior in enclosed chassis that may run warm under sustained streaming load.
Recommended
DSD-Capable Recording Chain
Recording engineers building DSD-capture rigs select the PCM4202IDBREP because it can be hardware-switched between 24-bit PCM output and 64x or 128x oversampled 1-bit Direct Stream Digital (DSD) output via the FMT pin. This dual-mode capability lets a single front-end PCB serve both PCM workflows (for DAW-based editing) and native DSD workflows (for SACD mastering). It accepts balanced analog inputs from high-end microphone preamps and outputs DSD-DATA and DSD-CLK on dedicated pins of the 28-SSOP package, simplifying routing to downstream DSD-aware DSP or storage. Performance in either mode is consistent with the headline 118 dB dynamic range.
Recommended
Test and Measurement Audio Analyzer
Audio test and measurement instruments (THD+N analyzers, FFT-based audio analyzers, AES17 compliance meters) use the PCM4202IDBREP as the reference analog-to-digital converter when characterizing the performance of the DUT (device under test). The 118 dB SNR and 105 dB THD+N give it enough headroom to measure other high-performance DACs and converters without becoming the noise-floor bottleneck. Its industrial temperature range keeps calibration stable across instrument warm-up variations, and the standard I2S/PCM output mode is straightforward to feed into the analyzer's DSP for FFT, THD+N, jitter, and IMD measurement routines.
Recommended
Medical and Scientific Audio Capture
Physiological audio recording equipment such as electronic stethoscopes, phonocardiographs, and acoustic monitoring gear use the PCM4202IDBREP where very-wide dynamic-range capture of acoustic events is required (heart sounds, lung sounds, or low-level ambient noise). The 118 dB SNR allows faint diastolic murmurs or early-stage lung sounds to be captured without being masked by ADC quantisation noise. The Delta-Sigma architecture provides inherent anti-alias filtering for the wide ultrasonic content of physiologic sounds, simplifying analog front-end design. Industrial -40C to +85C compliance and Enhanced Product qualification suit long-life medical OEM platforms.
Recommended
Recommended Products Summary
Engineering reference data for PCM4202IDBREP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PCM4202PW | V62/07642-01XE | PCM1804PW | AK5394A | CS5381 |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | AKM (Asahi Kasei Microsystems) | Cirrus Logic |
| Package | 28-SSOP (DB) | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) |
| Resolution | 24-bit | 24-bit | 24-bit | 24-bit | 24-bit | 24-bit |
| Maximum Sample Rate | 216 kHz | 216 kHz | 216 kHz | 192 kHz | 192 kHz | 192 kHz |
| Dynamic Range (SNR, A-weighted) | 118 dB | 118 dB | 118 dB | 106 dB | 123 dB | 120 dB |
| Output Format Support | PCM (I2S/LJ/RJ) and DSD (64x/128x) | PCM and DSD | PCM and DSD | PCM only | PCM only (legacy) | PCM only |
| Operating Temperature Range | -40C to +85C (Industrial EP) | 0C to +70C (Commercial) | -40C to +85C | -25C to +85C | -40C to +85C | -40C to +85C |
| Channels | 2 (Stereo) | 2 (Stereo) | 2 (Stereo) | 2 (Stereo) | 2 (Stereo) | 2 (Stereo) |
| Approx. Distributor Unit Price (qty 1) | USD 12.50 | USD 11.00 | USD 13.50 | USD 5.50 | USD 16.00 | USD 14.00 |
Key Differentiators
- Industrial -40C to +85C Enhanced Product (EP) qualification (vs PCM4202PW (commercial 0C to +70C))
- Highest dynamic range in 28-SSOP pinout footprint among TI converters (vs PCM1804PW)
- True PCM+DSD dual-mode output flexibility on dedicated pins (vs AK5394A (PCM only))
- Defense-supply-center sourcing documentation available (vs V62/07642-01XE (DLA-sourced variant))
Design Notes
The PCM4202IDBREP requires clean, low-noise analog and digital supplies to achieve its headline 118 dB dynamic range. Place a 10 uF bulk tantalum or polymer capacitor in parallel with 0.1 uF and 1 nF ceramics directly at each AVDD and DVDD pin. Keep the analog ground return path isolated from the digital return at the device; use a star-ground or split-plane topology with the ground split located away from the analog input traces. The AVDD rail may be 3.3 V or 5 V; the DVDD rail is 3.3 V - the device includes internal LDOs but bypass remains mandatory.
Keep the differential analog input traces (VINL+/VINL-, VINR+/VINR-) matched in length and symmetrically routed, surrounded by a continuous analog ground pour on the top layer under the IC. The PCM4202IDBREP 28-SSOP package allows a generous analog ground island on the top layer that ties to the bottom-layer analog ground at a single point near the device. Route BCK, LRCK, DOUT, and MCLK over the digital ground island on the opposite side of the board, away from the analog input traces. Avoid running digital signals beneath the analog ground island to minimize coupling.
Place the PCM4202IDBREP such that analog ground pins (3, 6, 9, 10, 12, 27, 28) are bonded directly to the analog ground island via short, low-impedance vias. The MCLK source should be a low-jitter crystal oscillator or audio-grade PLL output; jitter on MCLK directly degrades dynamic range per the PCM4202 datasheet timing specification. Keep the MCLK trace short and shielded with a ground guard trace to prevent radiated coupling into the analog input traces.
Set MCLK to one of the documented ratios (128x/192x/256x/384x/512x/768x) for the target PCM sampling rate, and verify BCK is at 64 x LRCK for 24-bit data (64 x 48 kHz = 3.072 MHz). The PCM4202IDBREP samples BCK on the rising edge per the datasheet; ensure the host DSP or FPGA meets the setup and hold timing windows in the electrical characteristics table. Any setup/hold violations or excessive MCLK jitter translate directly into elevated jitter-induced THD, which is the most common dynamic-range limitation in deployed units.
A common mistake is leaving the FMT pin floating; the PCM4202IDBREP expects FMT to be tied high (DSD mode) or low (PCM mode) with no internal pull. Another common pitfall is failing to assert RST (active low) after power-up; without a proper reset the delta-sigma modulator may produce invalid PCM data on first start-up. The PWD (power-down) input must be tied low for normal operation; leaving it floating causes indeterminate supply current. Finally, avoid using the 216 kHz DSD data rate unless the downstream DSP or storage can sink the higher 1-bit data rate (5.6448 Mbps / 11.2896 Mbps).
Compliance Information
RoHS compliant per TI product page. AEC-Q100 not applicable (commercial/industrial audio ADC, not automotive). MSL-2 moisture sensitivity per JEDEC J-STD-020. Enhanced Product (EP) qualification per TI definitions.
