PCM1681 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

PCM1681
Manufacturer

TI
ChipWorker Part#

CW143766675
RoHS

Lead free / RoHS Compliant
Description

The PCM1681 and PCM1681-Q1 are CMOS monolithic integrated circuits which feature an eight-channel 24Bit audio digital-to-analog converter (DAC) and support circuitry in small 28-lead TSSOP PowerPAD packages
Documentation

Datasheet

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PCM1681 Specifications

Attribute	Attribute Value

Part Number	PCM1681
Manufacturer	TI
ChipWorker Part#	CW143766675
Documentation	Datasheet
Case/Package	HTSSOP-28
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RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The PCM1681 and PCM1681-Q1 are CMOS monolithic integrated circuits which feature an eight-channel 24-bit audio digital-to-analog converter (DAC) and support circuitry in small 28-lead TSSOP PowerPAD packages. The DACs utilize Burr-Brown"s enhanced multilevel delta-sigma (ΔΣ) architecture to achieve excellent signal-to-noise performance and a high tolerance to clock jitter.
The PCM1681 and PCM1681-Q1 accept TDM (time-division multiplexed) format in addition to industry-standard audio data formats with 16- to 24-bit audio data width. Sampling rates up to 200 kHz are supported. The PCM1681 and PCM1681-Q1 provide a sub-set of user-programmable functions through a parallel control port, in addition to a full set of user-programmable functions through a serial control port, SPI, or I2C. The PCM1681 supports –40°C to +85°C for consumer grade applications and the PCM1681-Q1 supports –40°C to +105°C for automotive audio grade systems.
Qualified for Automotive Applications: PCM1681-
Q1
24-Bit Resolution
Analog Performance:
Dynamic Range: 105 dB Typical
SNR: 105 dB Typical
THD+N: 0.002% Typical
Full-Scale Output: 3.75 VPP Typical
4×/8× Oversampling Interpolation Filter:
Stop-Band Attenuation: –57 dB
Pass-Band Ripple: ±0.015 dB
Sampling Frequency: 5 kHz to 200 kHz
System Clock: 128 fS, 192 fS, 256 fS, 384 fS,
512 fS, 768 fS, or 1152 fS with Autodetect
Zero Flags for Selectable Channel Combinations
Flexible Mode Control:
SPI™/I2C™ Dual Mode for Serial Port
Parallel Hardware Control with 4 Functions
User-Programmable Functions (in SPI/I2C):
Flexible Audio Data Formats:
Right-Justified, I2S™, Left-Justified, TDM,
DSP
16- and 24-Bit Audio Data
Digital Attenuation: Mode Selectable
0 dB to –63 dB, 0.5 dB/step
0 dB to –100 dB, 1 dB/step
Soft Mute
Digital De-Emphasis
Digital Filter Roll-Off: Sharp or Slow
Oversampling Mode
User-Programmable Functions (in H/W):
Flexible Audio Data Formats:
Right-Justified, I2S, Left-Justified, TDM
Soft Mute
Digital De-Emphasis
Oversampling Mode
Power Supply Voltage: 5-V Analog, 3.3-V Digital
Package: 28-Lead HTSSOP PowerPAD
Operation Temperature Range:
–40°C to 85°C for Consumer Grade
–40°C to 105°C for Automotive Audio Grade

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