參數(shù)資料
型號(hào)： TLC320AD81CDBT
廠商： Texas Instruments, Inc.
英文描述： Stereo Audio Digital Equalizer DC
中文描述： 立體聲音頻數(shù)字均衡器直流
文件頁(yè)數(shù)： 24/47頁(yè)
文件大小： 185K
代理商： TLC320AD81CDBT
3–2
3.4
DAC Performance Characteristics, T
A
= 25
°
C, AV
DD
_DAC = 5 V,
All Other V
DD
= 3.3 V, f
s
= 44.1 kHz (see Note 1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DAC resolution
16
Bits
DAC signal to noise ratio (SNR) (see Note 2)
DAC signal-to-noise ratio (SNR) (see Note 2)
AVDD_DAC = 5 V
AVDD_DAC = 3.3 V
90
98
dB
90
95
Dynamic range
94
dB
Total harmonic distortion (THD)
0.005
0.01
%
Total harmonic distortion + noise (THD + N)
–60 dB
–32
dB
Crosstalk
90
dB
Frequency response
0
20
kHz
DAC conversion latency
16
fs
Periods
OUTPUT DRIVER LEVELS
Full-scale output voltage (into 10 k
)
AVDD_DAC = 5 V
AVDD_DAC = 3.3 V
1
Vrms
0.6
Vrms
Output dc level
VDD/2
V
OUTPUT DRIVER LOADING
Minimum output load impedance
2
10
k
pF
Maximum output load capacitance
100
DC ACCURACY
Transition band
20
kHz
Out of band attenuation
–40
±
1%
dB
Interchannel gain mismatch
Output drivers
±
5%
FSR
Potential divider resistance
AVDD_DAC to CAP and
CAP to AVSS_DAC
80
100
120
k
Voltage at CAP
VDD/2
V
NOTES:
1. All measurements done with 20-kHz low-pass filter.
2. Ratio of RMS output level with 1-kHz full-scale input, to the RMS output level with all zeros into the digital
input, measured with A-weighted filter over a 20 Hz to 20 kHz bandwidth.
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