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....................................................................................................................................................
All specifications at T
= +25°C, V
= 5 V, V
A
CC
DIGITAL FILTER (DE-EMPHASIS OFF)
FREQUENCY RESPONSE
(SHARP ROLL-OFF)
0
−20
−40
−60
−80
−100
−120
0
1
2
Frequency [ f
Figure 1.
FREQUENCY RESPONSE
(SLOW ROLL-OFF)
0
−20
−40
−60
−80
−100
−120
0
1
2
Frequency [ f
Figure 3.
8
Submit Documentation Feedback
TYPICAL CHARACTERISTICS
= 3.3 V, f
= 48 kHz, system clock = 512 f
DD
S
noted.
0.05
0.04
0.03
0.02
0.01
0.00
−0.01
−0.02
−0.03
−0.04
−0.05
3
4
0.0
]
S
G001
0.0
−0.5
−1.0
−1.5
−2.0
−2.5
−3.0
−3.5
−4.0
−4.5
−5.0
3
4
0.0
]
S
G003
Product Folder Link(s):
PCM1681 PCM1681-Q1
www.ti.com
, and 24-bit data, unless otherwise
S
PASSBAND FREQUENCY RESPONSE
(SHARP ROLL-OFF)
0.1
0.2
0.3
0.4
Frequency [ f
]
S
Figure 2.
TRANSITION CHARACTERISTICS
(SLOW ROLL-OFF)
0.1
0.2
0.3
0.4
Frequency [ f
]
S
Figure 4.
Copyright © 2008, Texas Instruments Incorporated
0.5
G002
0.5
G004