參數(shù)資料
型號(hào): TLV320AIC29IRGZ
廠商: Texas Instruments, Inc.
元件分類: Codec
英文描述: STWREO AUDIO CODEC WITH INTERGRATED HEADPHONE AND SPEAKER AMPLIFIERS
中文描述: STWREO音頻編解碼器集成耳機(jī)和音箱放大器
文件頁數(shù): 5/85頁
文件大?。?/td> 1007K
代理商: TLV320AIC29IRGZ
SLAS494A DECEMBER 2005 REVISED JANUARY 2006
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
BATTERY MONITOR INPUTS
MIN
TYP
MAX
UNITS
Input voltage range
0.5
6.0
V
μ
A
Input leakage current
Battery conversion not selected
1
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
5
LSB
Offset error
6
6
LSB
Gain error
6
6
LSB
Noise
30
μ
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
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
μ
A
AUDIO CODEC
ADC CHANNEL FILTER CHARACTERISTICS
Filter gain from 0 to 0.39 Fs
±
0.1
0.25
dB
Filter gain at 0.4125 Fs
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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