參數(shù)資料
型號(hào): TLV320AIC29IRGZ
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC48
封裝: 7 X 7 MM, GREEN, PLASTIC, QFN-48
文件頁數(shù): 45/87頁
文件大?。?/td> 1049K
代理商: TLV320AIC29IRGZ
TLV320AIC29
SLAS494B DECEMBER 2005 REVISED OCTOBER 2007
www.ti.com
5
ELECTRICAL CHARACTERISTICS
At +25
°C, AVDD1, AVDD2, DRVDD, IOVDD = 3.3 V, BVDD = 3.9 V, DVDD = 1.8 V, Vref = 2.5 V, Fs (Audio) = 48 kHz, unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
BATTERY MONITOR INPUTS
Input voltage range
0.5
6.0
V
Input leakage current
Battery conversion not selected
1
A
Accuracy
Variation across temperature after system
calibration at room temperature
15
mV
SAR A/D CONVERTER
Resolution
Programmable: 8-, 10-,12-bits
8
12
Bits
No missing codes (DNL)
12-Bit resolution
11
Bits
Integral linearity
5
LSB
Offset error
6
LSB
Gain error
6
LSB
Noise
30
Vrms
VOLTAGE REFERENCE (VREF)
VREF output programmed = 2.5 V
2.3
2.5
2.7
V
Voltage range
VREF output programmed = 1.25 V
1.25
V
Voltage range
External reference
1.1
2.5
V
Reference drift
Internal VREF = 1.25 V
20
ppm/
°C
Current drain
Extra current drawn when the internal reference is
turned on.
750
A
AUDIO CODEC
ADC CHANNEL FILTER CHARACTERISTICS
Filter gain from 0 to 0.39 Fs
±0.1
dB
Filter gain at 0.4125 Fs
0.25
dB
Filter gain at 0.45 Fs
0.3
dB
Filter gain at 0.5 Fs
17.5
dB
Filter gain from 0.55 Fs to 64 Fs
75
dB
Group delay
17/Fs
sec
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