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參數資料
| 型號： | TLV320AIC28RGZ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC48 |
| 封裝： | 7 X 7 MM, PLASTIC, QFN-48 |
| 文件頁數： | 78/85頁 |
| 文件大小： | 1053K |
| 代理商： | TLV320AIC28RGZ |
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TLV320AIC28
SLAS418B FEBRUARY 2004 REVISED MAY 2005
www.ti.com
8
ELECTRICAL CHARACTERISTICS (continued)
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
(continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
POWER SUPPLY REQUIREMENTS
Power supply voltage
AVDD1, AVDD2
3
3.3
3.6
V
DRVDD
3
3.3
3.6
V
BVDD
3
4.2
V
IOVDD
Max MCLK = 100 MHz
2
3.6
V
IOVDD
Max MCLK = 50 MHz
1.1
3.6
V
DVDD
1.65
1.8
1.95
V
IAVDD1 with loudspeaker output (no signal),
PLL off
3.1
Analog supply current – audio play back only
IBVDD with loudspeaker output (no signal),
PLL off
7.5
mA
Analog supply current – audio play back only
IAVDD1 with headphone output (no signal),
VGND off, PLL off
2.5
mA
IDRVDD with headphone output (no signal),
VGND off, PLL off
3.5
Digital supply current – audio play back only
IDVDD, PLL off
2.5
mA
(1)
IAVDD1, headset mic, PLL off
5.2
mA
Analog supply current mic record only(1)
IBVDD, headset mic, PLL off
270
A
Analog supply current mic record only(1)
IAVDD1, handset mic, PLL off
5.6
mA
Digital supply current – mic record only
IDVDD, PLL off
1.4
mA
Analog supply current
IAVDD2, PLL on
1.3
mA
Digital supply current
IDVDD, PLL on
0.9
mA
(2)
Hardware power down
27
(2)
Only headset/button detection enabled
50
Total current(2)
Only auto temperature measurement with
5.59 min delay
50
A
Total current
Headset/button detection and auto
temperature measurement with 5.59 min
delay
65
A
Default current(3)
IAVDD1 + IAVDD2
66
A
Default current(3)
IBVDD
9
A
(1) Mic record currents measured with no load on MICBIAS.
(2) Current measured with MICBIAS_HED voltage programmed to 2 V (Page 2, Register 1DH, BIt D8=1).
(3) Default currents measured with device in default mode after reset.
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