Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | ADC, Audio |
| NumberofChannels | 2 |
| Resolution(Bits) | 24 b |
| SamplingRate(PerSecond) | 192k |
| DataInterface | I²S |
| VoltageSupplySource | Analog and Digital |
| Voltage-Supply | 3V ~ 3.6V, 4.75V ~ 5.25V |
| OperatingTemperature | -10°C ~ 70°C |
| MountingType | Surface Mount |
| Package/Case | 28-SSOP (0.209, 5.30mm Width) |
Overview
Description
The PCM1804DBR is a high-performance, 24-bit stereo analog-to-digital converter (ADC) from Texas Instruments. It supports sampling rates up to 96 kHz and features a delta-sigma (ΔΣ) modulation architecture for high-resolution audio conversion.
Key features:
- 24-bit resolution with 105 dB dynamic range
- Single-ended analog inputs (simplifies design)
- On-chip digital anti-aliasing filter
- I²S output format (compatible with DSPs and microcontrollers)
- Low power consumption (~90 mW at 5V)
Ideal for professional audio equipment, digital mixers, and high-fidelity recording systems, the PCM1804DBR provides excellent signal-to-noise ratio (SNR) and low distortion. It comes in a SSOP-28 package for compact PCB designs.
For detailed specs, refer to the datasheet on TI’s website.
Key features:
- 24-bit resolution with 105 dB dynamic range
- Single-ended analog inputs (simplifies design)
- On-chip digital anti-aliasing filter
- I²S output format (compatible with DSPs and microcontrollers)
- Low power consumption (~90 mW at 5V)
Ideal for professional audio equipment, digital mixers, and high-fidelity recording systems, the PCM1804DBR provides excellent signal-to-noise ratio (SNR) and low distortion. It comes in a SSOP-28 package for compact PCB designs.
For detailed specs, refer to the datasheet on TI’s website.
Equivalent
The PCM1804DBR is a stereo ADC. Equivalent alternatives include:
- PCM1808 (similar specs, lower power)
- CS5368 (Cirrus Logic, higher dynamic range)
- AK5358 (AKM Semiconductor, comparable performance)
- WM8782 (Wolfson, lower cost, basic features)
Check pin compatibility and specs for your application. For exact replacements, consult TI's cross-reference tools or distributor listings.
- PCM1808 (similar specs, lower power)
- CS5368 (Cirrus Logic, higher dynamic range)
- AK5358 (AKM Semiconductor, comparable performance)
- WM8782 (Wolfson, lower cost, basic features)
Check pin compatibility and specs for your application. For exact replacements, consult TI's cross-reference tools or distributor listings.
Features
The PCM1804DBR is a high-performance, 24-bit stereo ADC with the following key features:
- Resolution: 24-bit delta-sigma ADC
- Sampling Rate: Up to 96 kHz
- Dynamic Range: 112 dB (typ)
- THD+N: -94 dB (typ)
- Analog Input: Single-ended or differential
- Supply Voltage: 5V (analog), 3.3V (digital)
- Interface: Serial audio output (I2S, left-justified)
- Low Power: 150 mW (typ)
- Package: SSOP-20
- Applications: Audio recording, professional audio equipment, and digital effects processing
It includes onboard decimation filters, requires minimal external components, and supports master/slave clocking modes.
- Resolution: 24-bit delta-sigma ADC
- Sampling Rate: Up to 96 kHz
- Dynamic Range: 112 dB (typ)
- THD+N: -94 dB (typ)
- Analog Input: Single-ended or differential
- Supply Voltage: 5V (analog), 3.3V (digital)
- Interface: Serial audio output (I2S, left-justified)
- Low Power: 150 mW (typ)
- Package: SSOP-20
- Applications: Audio recording, professional audio equipment, and digital effects processing
It includes onboard decimation filters, requires minimal external components, and supports master/slave clocking modes.
Pinout
The PCM1804DBR is a 20-pin SSOP audio ADC with the following key functions:
- Pin Count: 20 (SSOP package)
- Function: 24-bit stereo analog-to-digital converter (ADC) for audio applications.
- Key Features:
- Supports 64x–256x oversampling.
- Accepts analog inputs (L/R channels) and outputs I²S or left-justified digital audio.
- Operates at 5V supply, with a dynamic range of 105dB.
- Includes system clock input (256/384fs) and master/slave mode selection.
Pins handle power (AVDD, DVDD), ground (AGND, DGND), analog inputs (LIN, RIN), digital outputs (BCK, LRCK, DATA), and control (FMT, MD0, MD1).
- Pin Count: 20 (SSOP package)
- Function: 24-bit stereo analog-to-digital converter (ADC) for audio applications.
- Key Features:
- Supports 64x–256x oversampling.
- Accepts analog inputs (L/R channels) and outputs I²S or left-justified digital audio.
- Operates at 5V supply, with a dynamic range of 105dB.
- Includes system clock input (256/384fs) and master/slave mode selection.
Pins handle power (AVDD, DVDD), ground (AGND, DGND), analog inputs (LIN, RIN), digital outputs (BCK, LRCK, DATA), and control (FMT, MD0, MD1).
Manufacturer
The PCM1804DBR is manufactured by Texas Instruments (TI), a leading American semiconductor company. TI specializes in designing and producing analog and digital integrated circuits (ICs) for a wide range of applications, including audio, industrial, automotive, and consumer electronics. The PCM1804DBR is a high-performance, 24-bit stereo analog-to-digital converter (ADC) commonly used in audio recording and processing systems.
TI is known for its innovation in signal processing, power management, and embedded systems, serving global markets with reliable and cutting-edge semiconductor solutions.
TI is known for its innovation in signal processing, power management, and embedded systems, serving global markets with reliable and cutting-edge semiconductor solutions.
Application
The PCM1804DBR is a high-performance, 24-bit stereo analog-to-digital converter (ADC) commonly used in:
1. Audio Recording Equipment – Interfaces, mixers, and studio gear.
2. Consumer Electronics – Digital TVs, soundbars, and home audio systems.
3. Professional Audio – Broadcast, live sound, and measurement tools.
4. Automotive Audio – In-car infotainment and telematics.
5. Industrial Applications – Acoustic analysis and signal processing.
Its low distortion and high dynamic range make it ideal for high-fidelity audio capture.
1. Audio Recording Equipment – Interfaces, mixers, and studio gear.
2. Consumer Electronics – Digital TVs, soundbars, and home audio systems.
3. Professional Audio – Broadcast, live sound, and measurement tools.
4. Automotive Audio – In-car infotainment and telematics.
5. Industrial Applications – Acoustic analysis and signal processing.
Its low distortion and high dynamic range make it ideal for high-fidelity audio capture.
Package
The PCM1804DBR is a 24-bit stereo analog-to-digital converter (ADC) from Texas Instruments. It comes in a SSOP-20 (DBR) package, which is a 20-pin Shrink Small Outline Package. This surface-mount package is compact, measuring approximately 6.5mm x 5.6mm, making it suitable for space-constrained applications like audio recording and processing systems.
