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參數資料
| 型號： | TLC320AD80CPM |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, TQFP-64 |
| 文件頁數： | 18/37頁 |
| 文件大小： | 229K |
| 代理商： | TLC320AD80CPM |
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3–3
3.3.2
Volume Control and Output Drivers Performance, TA = 25°C,
AVDD = DVDD = 5 V ± 5%
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Range
Total continuous control range
68
dB
Step resolution
Differential error
0.5
1
1.5
dB
Volume control
Volume integral
error
Deviation from ideal volume
setting
±2
dB
Volume control
Gain tracking
Left and right channel gain
matching
±1
dB
Mute
attenuation
Relative to volume setting of 0 dB
–80
–90
dB
Full-scale output voltage
All analog audio outputs,
maximum volume
2.66
2.8
2.94
VPP
Common mode output voltage
All analog audio outputs
2.1
2.25
2.4
V
Output resistance (open loop)
All analog audio outputs
300
Ouput load
Short circuit protected, AUDIO
RIGHT, AUDIO LEFT, MUX OUT
600
Output drive
Ouput load
resistance
Short circuit protected, AUDIO
MONO, EXT OUTR,
EXT OUTL
10
k
capability
Ouput load
Short circuit protected, AUDIO
RIGHT, AUDIO LEFT
300
pF
Ouput load
capacitance
Short circuit protected, AUDIO
MONO, EXT OUTR,
EXT OUTL, MUX OUT
100
pF
Vref
Output reference voltage
2.1
2.25
2.4
V
Output reference current
100
A
Audio channel
separation
EXT OUTL,
EXT OUTR
80
dB
separation
(relative to 0 dB)
AUDIO LEFT,
AUDIO RIGHT
80
dB
3.3.3
Monaural Decoder Performance, TA = 25°C, AVDD = DVDD = 5 V ± 5%, fs = 32 kHz
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
3-dB Bandwidth
TV BASEBAND P or TV
BASEBAND M inputs only,
MCLK = 256 x 32 kHz or
384 x 32 kHz
14
kHz
Signal-to-noise ratio (SNR)
A-weighted,
referenced to –3 dB,
fs = 50 Hz to 14 kHz
54
dB
Total harmonic distortion (THD)
A-weighted,
referenced to –3 dB,
fs = 50 Hz to 14 kHz
50
dB
–3-dB Passband
14
kHz
BTSC filter
Passband ripple
TV baseband input filter
±0.5
dB
BTSC filter
Stopband
referenced to 0 dB
15.73425
kHz
Stopband rejection
–44
–50
dB
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|---|---|
| TLC320AD81C | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Stereo Audio Digital Equalizer DC |
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