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參數(shù)資料
| 型號： | TDA7535 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 20-BIT DAC, PDSO14 |
| 封裝： | SOP-14 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 147K |
| 代理商： | TDA7535 |
Electrical specification
TDA7535
6/12
2.7
DAC electrical characteristics
Table 9.
DAC electrical characteristics
Vdd = 3.3 V; Tamb = 25 °C; Input signal frequency = sinus wave generated by
audio precision Sys.2; Input signal amplitude (see notes); Noise integration
bandwidth = 20 Hz to 22 kHz (A- weighted)
Parameter
Test condition
Min.
Typ.
Max.
Unit
Noise + distortion (1)
1.
It is the ratio between the maximum input signal and the integration of the in-band noise after deducing the
power of signal fundamental. It depends on the input signal amplitude. In this case 0dB means full scale
digital, 1 kHz frequency used.
@0 dB
@-6 dBb
@-40 dB
@-60 dB
89
94
96
dB
Total harmonic distortion
see note (2)
2.
It is the ratio of the rms value of the signal fundamental component at 0 dB (full scale digital) to the rms
value of all of the harmonic components in the band.
70(3)
3.
By correlation to beuch results. ATE limits are 60 dB.
94
dB
Dynamic range
see note (4)
4.
Measured using the SNR at -60dB input signal, with 60dB added to compensate for small input signal.
84(5)
5.
By correlation to beuch results. ATE limits are 80 dB.
96
dB
Crosstalk
see note (6)
6.
Left channel on with 0dB/1kHz input signal, Right channel on with DC input signal.
-95
dB
Full scale output voltage
Vdd = 3.15 to 3.45 V
Full scale input
0.8
0.9
1.0
Vrms
Input sampling rate
36
48
kHz
Passband ripple
0.12
dB
Stopband
@ 3dB
@ 90dB
44.1kHz sampling rate
21.53
24.80
kHz
Interchannel gain mismatch
0.05
0.1
dB
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