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....................................................................................................................................................
ELECTRICAL CHARACTERISTICS (continued)
All specifications at V
= 5.0 V, V
= 3.3 V, f
CC
DD
otherwise noted.
PARAMETER
ANALOG OUTPUT
Output voltage
Bipolar zero voltage
Load impedance
DIGITAL FILTER PERFORMANCE
Filter Characteristics (Sharp Roll-Off)
Passband
Stop band
Passband ripple
Stop band attenuation
Filter Characteristics (Slow Roll-Off)
Passband
Stop band
Passband ripple
Stop band attenuation
Filter Characteristics
Delay time
De-emphasis error
ANALOG FILTER PERFORMANCE
Frequency response
POWER-SUPPLY REQUIREMENTS
V
DD
Voltage range
V
CC
I
Supply current
DD
I
Supply current
CC
Power dissipation
TEMPERATURE RANGE
Operating temperature
Thermal resistance
JA
4
Submit Documentation Feedback
= 48 kHz, system clock = 512 f
, and 24-bit data, narrow o/s mode, unless
S
S
TEST CONDITIONS
Full-scale (–0 dB)
AC-coupled load
±0.015 dB
Stop band = 0.546 f
S
±0.004 dB
Stop band = 0.727 f
S
at 20 kHz
at 44 kHz
f
= 48 kHz
S
f
= 96 kHz, system clock = 256 f
S
S
f
= 192 kHz, system clock = 128 f
S
S
f
= 48 kHz
S
f
= 96 kHz, system clock = 256 f
S
S
f
= 192 kHz, system clock = 128 f
S
S
f
= 48 kHz
S
f
= 96 kHz, system clock = 256 f
S
S
f
= 192 kHz, system clock = 128 f
S
S
PCM1681
PCM1681-Q1
28-pin TSSOP PowerPAD™
Product Folder Link(s):
PCM1681 PCM1681-Q1
www.ti.com
MIN
TYP
MAX
UNIT
0.75
V
PP
V
CC
0.486
V
DC
V
CC
5
kΩ
0.454 f
S
0.546 f
S
±0.015
dB
–57
dB
0.261 f
S
0.727 f
S
±0.004
dB
–56
dB
24/f
S
±0.1
dB
–0.02
dB
–0.07
3
3.3
3.6
V
DC
4.5
5.0
5.5
13
20
18
mA
23
62
80
62
mA
62
353
466
369
mW
386
–40
+85
°C
–40
+105
°C
28
°C/W
Copyright © 2008, Texas Instruments Incorporated