Build with PCM1804 — Datasheet Specs & AI Design Help

00 — Overview

What the PCM1804 does

The PCM1804 is a high-performance, single-chip stereo A/D converter featuring fully differential analog input. It operates with a 5-V analog supply and 3.3-V digital power, supporting sampling rates up to 192 kHz. Key specifications include 112 dB dynamic range, 111 dB SNR, and –102 dB THD+N. This device incorporates a precision delta-sigma modulator and a linear phase antialias digital filter to remove DC offset. It supports PCM audio and DSD formats, making it suitable for MD players, digital mixers, and professional recording equipment requiring excellent performance in consumer or professional applications.

Next step

Start building with PCM1804 → Every number above is cited straight from the datasheet — ask what they mean for your design, and the assistant answers from the same source documents.

01 — Key specifications

Datasheet parameters

Datasheet parameters for PCM1804
Parameter	Min	Typ	Max	Conditions	Source
quiescent current	—	35 mA	45 mA	VCC = 5 V(9) (10) (11); icc	TI datasheet, p. 8 — ELECTRICAL CHARACTERISTICS (continued)
supply voltage range	4.75 V	5 V	5.25 V	RECOMMENDED OPERATING CONDITIONS	TI datasheet, p. 5 — RECOMMENDED OPERATING CONDITIONS
operating temperature	-10 °C	—	70 °C	RECOMMENDED OPERATING CONDITIONS	TI datasheet, p. 5 — RECOMMENDED OPERATING CONDITIONS
clock frequency	8.19 MHz	—	36.9 MHz	System clock; RECOMMENDED OPERATING CONDITIONS	TI datasheet, p. 5 — RECOMMENDED OPERATING CONDITIONS
power dissipation	—	225 mW	290 mW	Operation, VCC = 5 V, VDD = 3.3 V(9) (12); pd	TI datasheet, p. 8 — ELECTRICAL CHARACTERISTICS (continued)
adc resolution	—	24 bit	—		TI datasheet, p. 6 — ELECTRICAL CHARACTERISTICS
output voltage low	—	—	400 mV	IOL = 1 mA(4); vol	TI datasheet, p. 6 — ELECTRICAL CHARACTERISTICS
sample rate	—	192 kHz	—	maximum sampling clock frequency	TI datasheet, p. 5 — RECOMMENDED OPERATING CONDITIONS
dynamic range	—	—	112 dB	VIN = -60 dB; (a-weighted)	TI datasheet, p. 7 — ELECTRICAL CHARACTERISTICS (continued)
channel count	—	2	—		TI datasheet, p. 1

02 — Alternatives

Closest matches to PCM1804

PCM1808 4.1× lower quiescent current, 4.0× lower sample rate, 3.6× lower power dissipation

ADS1110A0IDBVR 1.5× lower adc resolution, 1.3× lower operating temperature, 1.2× lower supply voltage range

MCP3421 1.3× lower adc resolution, 1.3× lower operating temperature, 1.2× lower supply voltage range

ADS131M02 19.4× lower quiescent current, 6.0× lower sample rate, 2.8× lower clock frequency

ADS131M02IPWR 19.4× lower quiescent current, 6.0× lower sample rate, 2.8× lower clock frequency

ES8388 3.7× lower sample rate, 2.3× lower clock frequency, 1.5× lower supply voltage range

ADS1100 1.5× lower adc resolution, 1.3× lower operating temperature, 1.2× lower supply voltage range

ADS1118 2.0× lower output voltage low, 1.5× lower adc resolution, 1.4× higher operating temperature

03 — FAQ

Frequently asked questions

What is the ADC resolution of the PCM1804?

The ADC resolution is 24 bit.

What is the channel count of the PCM1804?

The channel count is 2.

What is the recommended system clock frequency for the PCM1804?

The recommended system clock frequency is 36.9 MHz.

What is the dynamic range of the PCM1804 when VIN = -60 dB and the measurement is a-weighted?

The dynamic range is 112 dB.

What is the maximum operating temperature under recommended operating conditions?

The operating temperature is 70 °C under recommended operating conditions.

What is the output voltage low specification for the PCM1804?

The output voltage low is 400 mV when IOL = 1 mA(4).

What is the power dissipation of the PCM1804 during operation with VCC = 5 V and VDD = 3.3 V?

The power dissipation is 225 mW.

What is the quiescent current (icc) when VCC = 5 V(9) (10) (11)?

The quiescent current is 35 mA.

What is the maximum sampling clock frequency for the PCM1804?

The maximum sampling clock frequency is 192 kHz.

What is the supply voltage range for the PCM1804?

The supply voltage range is 5 V under RECOMMENDED OPERATING CONDITIONS.