參數(shù)資料
型號(hào): TLV320AIC10C
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(yè)數(shù): 40/57頁(yè)
文件大?。?/td> 284K
代理商: TLV320AIC10C
4–4
4.3.6.3 DAC Signal-to-Distortion + Noise 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+N
Signal to total harmonic distortion + noise
Signal-to-total harmonic distortion + noise
73
78
dB
70
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.
4.3.7
DAC Channel Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Dynamic range
VI = 0 dB at 1020 Hz
82
dB
Interchannel isolation
100
dB
EG
Gain error, 0 dB
VO = 0 dB at 1020 Hz
0 kHz to 4 kHz, See Note 6
0.5
dB
Idle channel narrow band noise
25
70
μ
Vrms
mV
VOO
Output offset voltage at OUT (differential)
DIN = all zeros
30
VO
Analog output voltage
5 V
Differential with respect to common mode
Differential with res ect to common mode
and full-scale digital input
–4
4
V
3.3 V
–2.5
2.5
Channel delay
18/fs
NOTE 6: The conversion rate is 8 kHz.
4.3.8
Op-Amp Interface (A1, A3, A4)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AV
Gain
100
Input voltage range
0.5
AVDD – 0.5
10
V
Input offset voltage
mV
Input offset current
0
mA
Output power
15
mW
SNR
Signal-to-noise ratio
Input frequency = 1020 Hz
90
dB
THD + N
Signal-to-total harmonic distortion + noise
Input frequency = 1020 Hz
90
dB
Unity-gain bandwidth
Open loop
10
MHz
μ
Vrms
Noise output voltage
30
4.3.9
Power-Supply Rejection (see Note 7)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AVDD
Supply-voltage rejection ratio, analog supply
fj = 0 to fs/2
75
dB
DVDD
Supply voltage rejection ratio
Supply-voltage rejection ratio
DAC channel
ADC channel
fj= 0 to 30 kHz
fj = 0 to 30 kHz
95
86
dB
NOTE 7: Power supply rejection measurements are made with both the ADC and the DAC channels idle and a 200 mV peak-to-peak signal
applied to the appropriate supply.
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