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

PCM1681

Manufacturer Part NumberPCM1681
DescriptionThe 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
ManufacturerTexas Instruments
PCM1681 datasheet
 


Specifications of PCM1681

# Dacs8# Inputs / # Outputs0 / 8
ArchitectureCurrent Segment DACResolution(bits)24
Sampling Rate(max)(khz)200Control InterfaceSPI, I2C,H/W
Digital Audio InterfaceL,R,I2S,TDM,DSPThd+n(typ)(%)0.002
Dac Snr(typ)(db)105Power Consumption(typ)(mw)386
Operating Temperature Range(c)-40 to 85Analog Voltage Av/dd(min)(v)4.5
Analog Voltage Av/dd(max)(v)5.5Pin/package28HTSSOP
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PCM1681
PCM1681-Q1
SLES211B – FEBRUARY 2008 – REVISED JUNE
2008....................................................................................................................................................
TYPICAL CHARACTERISTICS (Continued)
All specifications at T
= 25°C, V
= 5 V, V
A
CC
f
,and 24-bit data, narrow o/s (oversampling) mode, unless otherwise noted.
S
Temperature Characteristics
TOTAL HARMONIC DISTORTION + NOISE
vs
TEMPERATURE
0.01
0.001
−40
−15
10
35
T
− Free-Air Temperature − C
A
Figure 16.
SIGNAL-TO-NOISE RATIO
vs
TEMPERATURE
108
106
104
102
100
98
−40
−15
10
35
T
− Free-Air Temperature − C
A
Figure 18.
12
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= 3.3 V, f
= 48 kHz, 96 kHz, 192 kHz, system clock = 512 f
DD
S
108
106
104
102
100
98
−40
−15
60
85
110
G016
108
106
104
102
100
98
60
85
110
−40
−15
G018
Product Folder Link(s):
PCM1681 PCM1681-Q1
www.ti.com
, 256 f
, 128
S
S
DYNAMIC RANGE
vs
TEMPERATURE
10
35
60
85
110
T
− Free-Air Temperature − C
A
G017
Figure 17.
CHANNEL SEPARATION
vs
TEMPERATURE
10
35
60
85
110
T
− Free-Air Temperature − C
A
G019
Figure 19.
Copyright © 2008, Texas Instruments Incorporated