參數(shù)資料
型號(hào)： TLV320A11IPFBG4
廠(chǎng)商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： GREEN, PLASTIC, TQFP-48
文件頁(yè)數(shù)： 32/55頁(yè)
文件大?。?/td> 263K
代理商： TLV320A11IPFBG4
4–2
4.3.2
ADC Path Filter, Fs = 8 kHz (see Note 2)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
0 Hz to 300 Hz
–0.5
0.2
300 Hz to 3 kHz
–0.5
0.25
Filter gain relative to gain at 1020 Hz
3.3 kHz
–0.5
0.3
dB
Filter gain relative to gain at 1020 Hz
3.6 kHz
–3
dB
4 kHz
–35
≥ 4.4 kHz
–74
NOTE 2: The filter gain outside of the passband is measured with respect to the gain at 1024 Hz. The analog input test signal is a sine wave with
0 dB = 4 VI(PP) as the reference level for the analog input signal. The pass band is 0 to 3600 Hz for an 8-kHz sample rate. This pass
band scales linearly with the sample rate.
4.3.3
ADC Dynamic Performance, Fs = 8 kHz
4.3.3.1 ADC Signal-to-Noise (see Note 3)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI = –1 dB
75
84
SNR
Signal to noise ratio
VI = –3 dB
75
83
dB
SNR
Signal-to-noise ratio
VI = –9 dB
70
78
dB
VI = –40 dB
40
47
NOTE 3: The test condition is a 1020-Hz input signal with an 8-kHz conversion rate. Input and output common mode is 2.5 V for 5-V supply, and
1.5-V for 3.3-V supply.
4.3.3.2 ADC Signal-to-Distortion (see Note 3)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI = –1 dB
72
83
THD
Signal to total harmonic distortion
VI = –3 dB
70
84
dB
THD
Signal-to-total harmonic distortion
VI = –9 dB
75
88
dB
VI = –40 dB
60
76
NOTE 3: The test condition is a 1020-Hz input signal with an 8-kHz conversion rate. Input and output common mode is 2.5 V for 5-V supply, and
1.5-V for 3.3-V supply.
4.3.3.3 ADC Signal-to-Distortion + Noise (see Note 3)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI = –1 dB
72
80
THD+N
Signal to total harmonic distortion + noise
VI = –3 dB
70
80
dB
THD+N
Signal-to-total harmonic distortion + noise
VI = –9 dB
70
78
dB
VI = –40 dB
40
47
NOTE 3: The test condition is a 1020-Hz input signal with an 8-kHz conversion rate. Input and output common mode is 2.5 V for 5-V supply, and
1.5-V for 3.3-V supply.
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