Texas Instruments TLV320AIC3105 Evaluation Module (EVM) and USB motherboard TLV320AIC3105EVM-K TLV320AIC3105EVM-K 데이터 시트
제품 코드
TLV320AIC3105EVM-K
www.ti.com
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SLAS513B – FEBRUARY 2007 – REVISED DECEMBER 2008
ELECTRICAL CHARACTERISTICS (continued)
At 25°C, AVDD_DAC, DRVDD, IOVDD = 3.3 V, DVDD = 1.8 V, f
S
= 48 kHz, 16-bit audio data (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AUDIO DAC – Lineout and Headphone Out Drivers
First option
1.35
Second optiin
1.5
Output common mode
V
Third option
1.65
Fourth option
1.8
Output volume control maximum
9
dB
setting
Output volume control step size
1
dB
DAC DIGITAL INTERPOLATION – FILTER f
S
= 48 kHz
Pass band
0
0.45 f
S
Hz
Pass-band ripple
±0.06
dB
Transition band
0.45 f
S
0.55 f
S
Hz
Stop band
0.55 f
S
7.5 f
S
Hz
Stop-band attenuation
65
dB
Group delay
21/f
S
s
STEREO HEADPHONE DRIVER – AC-COUPLED OUTPUT CONFIGURATION
(3)
0-dB gain to high-power outputs. Output common-mode
0-dB full-scale output voltage
0.707
V
RMS
voltage setting = 1.35 V
First option
1.35
Programmable output
Second option
1.5
common-mode voltage
V
Third option
1.65
(applicable to line outputs also)
Fourth option
1.8
Maximum programmable output
9
dB
level control gain
Programmable output level
1
dB
control gain step size
R
L
= 32
Ω
15
P
O
Maximum output power
mW
R
L
= 16
Ω
30
Signal-to-noise ratio
(3)
A-weighted
94
dB
–77
1-kHz output, P
O
= 5 mW, R
L
= 32
Ω
0.014
–76
1-kHz output, P
O
= 10 mW, R
L
= 32
Ω
0.016
Total harmonic distortion
dB%
–73
1-kHz output, P
O
= 10 mW, R
L
= 16
Ω
0.022
–71
1-kHz output, P
O
= 20 mW, R
L
= 16
Ω
0.028
Channel separation
1-kHz, 0-dB input
90
dB
Power supply rejection ratio
217 Hz, 100 mVpp on AVDD, DRVDD1/2
48
dB
Mute attenuation
1-kHz output
107
dB
DIGITAL I/O
V
IL
Input low level
–0.3
0.3 IOVDD
V
0.7
IOVDD > 1.6 V
IOVDD
V
IH
Input high level
V
IOVDD
≤ 1.6 V
1.1
V
OL
Output low level
0.1 IOVDD
V
0.8
V
OH
Output high level
V
IOVDD
CURRENT CONSUMPTION – DRVDD, IOVDD = AVDD_DAC = 3.3 V, DVDD = 1.8 V
(3)
Ratio of output level with a 1-kHz full-scale input, to the output level playing an all-zero signal, measured A-weighted over a 20-Hz to
20-kHz bandwidth.
20-kHz bandwidth.
Copyright © 2007–2008, Texas Instruments Incorporated
9
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