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參數資料
| 型號： | TAS3218PZPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | GREEN, PLASTIC, TQFP-100 |
| 文件頁數： | 38/79頁 |
| 文件大小： | 1263K |
| 代理商： | TAS3218PZPR |
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ELECTRICAL SPECIFICATIONS ANALOG SECTIONS
(1)
www.ti.com ....................................................................................................................................................................................................... SLES235 – JULY 2008
TA =25C, AVDD = 3.3 V, DVDD = 3.3 V, Fs (audio) = 48 kHz, Clock source from XTALI, AES17 filter, second order 30-kHz
low-pass filter (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Stereo MUX Input/ADC Channel
1-kHz sine wave input
Full scale input voltage (0 dB)
1
1.15
Vrms
Input common mode voltage
over recommended operating conditions
1.43
1.5
1.57
V
DNR
60-dB full-scale input applied at Line inputs, A-weighted
90
93
dBA
THD + N
1-kHz, 4-dB full-scale input
75
80
dB
PSRR
1 kHz, 100 mVpp on AVDD
51
57
dB
Channel separation
1 kHz
80
90
dB
Input resistance
14.6
18.33
22
k
Input capacitance
10
pF
DAC Channel/DAC Output
1-kHz sine wave input, load = 10 k, 10 pF
Full scale output voltage (0 dB)
0.81
0.9
Vrms
Gain error
10
%
Output common mode
over recommended operating conditions
1.43
1.5
1.57
V
DNR
60-dB full-scale input applied at Line inputs, A-weighted
95
97
dBA
THD + N
1-dBFS input, 0 dB gain
80
90
dB
PSRR
1 kHz, 100 mVpp on AVDD, VGND powered down
50
56
dB
Load capacitance
pF
Load resistance
10
k
Channel separation
81
84
dB
1-kHz sine wave input, Load = 16 , external series resistance
DAC Channel/ Headphone Output
= 16 ,
coupling capacitance = 47 F
Full scale output voltage (0 dB)
0.72
0.9
Vrms
DNR
60-dB full-scale input applied at Line inputs, A-weighted
80
90
dBA
THD + N
0-dBFS input, 0-dB gain
50
60
dB
PSRR
1 kHz, 100 mVpp on AVDD , VGND powered down
48
54
dB
Maximum output power(2)
24
mW
Load capacitance
100
pF
Load resistance
16
Channel separation
70
80
dB
(1)
When the TAS3218 is operated in slave mode, the internal analog clocks for ADC and DAC are derived from external MCLKIN input. In
this case, the analog performance will depend on MCLKIN quality (i.e., jitter, phase noise, etc.).
(2)
16- series resistor required in L and R headphone outputs for short-circuit protection.
Copyright 2008, Texas Instruments Incorporated
43
Product Folder Link(s): TAS3218
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