參數(shù)資料
型號(hào)： TLV320DAC32IRHBTG4
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, DAC WITH PROGRAMMABLE PLL, PQCC32
封裝： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁(yè)數(shù)： 45/69頁(yè)
文件大?。?/td> 1242K
代理商： TLV320DAC32IRHBTG4
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
www.ti.com........................................................................................................................................ SLAS506B – NOVEMBER 2006 – REVISED DECEMBER 2008
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
AVDD_DAC,
Analog supply voltage
2.7
3.3
3.6
V
DRVDD(1)
DVDD(1)
Digital core supply voltage
1.525
1.8
1.95
V
IOVDD(1)
Digital I/O supply voltage
1.1
1.8
3.6
V
VI
Analog full-scale 0-dB input voltage (DRVDD = 3.3 V)
0.707
VRMS
Stereo headphone-output load resistance
16
Digital output load capacitance
10
pF
TA
Operating free-air temperature
–40
85
C
(1)
Analog voltage values are with respect to AVSS_DAC, DRVSS; digital voltage values are with respect to IOVSS.
At 25C, AVDD_DAC, DRVDD, IOVDD = 3.3 V, DVDD = 1.8 V, Fs = 48 kHz, 16-bit audio data (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG MIXER
Input resistance
LINE inputs
100
k
Input capacitance
LINE inputs
10
pF
Input volume control
minimum attenuation
0
dB
setting
Input volume control
maximum attenuation
78
dB
setting
Input volume control
0.5
dB
attenuation step size
MICROPHONE BIAS
2.0
2.25
2.5
2.75
Bias voltage
Programmable settings, load = 750
V
DRVDD-
0.2
Current sourcing
2.5-V Setting
4
mA
DAC DIGITAL
INTERPOLATION
Fs = 48 kHz
FILTER
Passband
High-pass filter disabled
0.45
s
Hz
Passband ripple
High-pass filter disabled
0.06
dB
Transition band
0.45
s
0.55
s
Hz
Stopband
0.55
s
7.5
s
Hz
Stopband attenuation
65
dB
Group delay
21/Fs
Sec
SINGLE-ENDED STEREO
AC-coupled output configuration(1)
HEADPHONE DRIVER
0-dB full-scale output
0-dB Gain to high power outputs. Output
0.65
VRMS
voltage
common-mode voltage setting = 1.65 V
First option
1.35
Programmable output
Second option
1.50
common mode voltage
V
(applicable to Line
Third option
1.65
Outputs also)
Fourth option
1.8
(1)
Unless otherwise noted, all measurements use output common-mode voltage setting of 1.35 V, 0-dB output level control gain, 16-
single-ended load.
Copyright 2006–2008, Texas Instruments Incorporated
5
Product Folder Link(s): TLV320DAC32
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