參數(shù)資料
型號： TLV320AIC10I
廠商： Texas Instruments, Inc.
元件分類： Codec
英文描述： General-Purpose 3V to 5.5V 16-bit 22-KSPS DSP CODEC
中文描述： 通用3V至5.5V 16位22 kSPS的DSP的解碼器
文件頁數(shù)： 39/57頁
文件大?。?/td> 284K
代理商： TLV320AIC10I
4–3
4.3.4
ADC Channel Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI(PP)
Peak-to-peak input voltage (differential)
Preamp gain = 0 dB
4
V
Dynamic range
VI = –3 dB
82
dB
Intrachannel isolation
87
dB
EG
EO(ADC)
CMRR
Gain error
VI = –1 dB at 1020 Hz
0.6
±
15
80
dB
ADC converter offset error
mV
Common-mode rejection ratio at INM, INP or AUXM, AUXP
VI = –1 dB at 1020 Hz
VINP,INM = 0 V
TA = 25
°
C
dB
Idle channel noise (on-chip reference)
25
70
μ
Vrms
k
s
Rj
Input resistance
35
Channel delay
17/fs
4.3.5
DAC Path Filter, Fs = 8 kHz (see Note 4)
PARAMETER
TEST CONDITIONS
0 Hz to 300 Hz
MIN
–0.5
TYP
MAX
0.2
UNIT
300 Hz to 3 kHz
–0.65
0.25
Filter gain relative to gain at 1020 Hz
3.3 kHz
–0.75
0.3
dB
3.6 kHz
–3
4 kHz
≥
4.4 kHz
–35
–74
NOTE 4: The filter gain outside of the passband is measured with respect to the gain at 1020 Hz. The input signal is the digital equivalent of a
sine wave (digital full scale = 0 dB). The nominal differential DAC channel output with this input condition is 6 VI(PP). The pass band
is 0 to 3600 Hz for an 8-kHz sample rate. This pass band scales linearly with the conversion rate.
4.3.6
DAC Dynamic Performance
4.3.6.1 DAC Signal-to-Noise When Load is 600
(see Note 5)
PARAMETER
TEST CONDITIONS
VI = 0 dB
VI = –3 dB
VI = –9 dB
VI = –40 dB
MIN
80
TYP
85
MAX
UNIT
SNR
Signal to noise ratio
Signal-to-noise ratio
78
84
dB
72
35
78
42
NOTE 5: The test condition is the digital equivalent of a 1020 Hz input signal with an 8-kHz conversion rate. The test is measured at output of
application schematic low-pass filter. The test is conducted in 16-bit mode.
4.3.6.2 DAC Signal-to-Distortion when load is 600
. (see Note 5)
PARAMETER
TEST CONDITIONS
VI = 0 dB
VI = –3 dB
VI = –9 dB
VI = –40 dB
MIN
70
TYP
77
MAX
UNIT
THD
Signal to total harmonic distortion
Signal-to-total harmonic distortion
78
85
dB
78
62
85
66
NOTE 5: The test condition is the digital equivalent of a 1020 Hz input signal with an 8-kHz conversion rate. The test is measured at output of
application schematic low-pass filter. The test is conducted in 16-bit mode.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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