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型号： TLV320AIC3111IRHBT
厂商： TEXAS INSTRUMENTS INC
元件分类： 音频／视频放大
英文描述： AUDIO AMPLIFIER, PQCC32
封装： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件页数： 113/156页
文件大小： 1701K
代理商： TLV320AIC3111IRHBT
TLV320AIC3111
SLAS644B – JULY 2009 – REVISED OCTOBER 2009
www.ti.com
3.3
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
AVDD(1)
Referenced to AVSS(2)
2.7
3.3
3.6
DVDD
Referenced to DVSS(2)
1.65
1.8
1.95
HPVDD
Referenced to HPVSS(2)
2.7
3.3
3.6
V
Power-supply voltage range
SPLVDD(1)
Referenced to SPLVSS(2)
2.7
5.5
SPRVDD(1)
Referenced to SPRVSS(2)
2.7
5.5
IOVDD
Referenced to IOVSS(2)
1.1
3.3
3.6
Resistance applied across class-D output pins
Speaker impedance
8
(BTL)
Headphone impedance
AC-coupled to RL
16
Analog audio full-scale input
VI
AVDD = 3.3 V, single-ended
0.707
VRMS
voltage
Stereo line output load
AC coupled to RL
10
k
impedance
MCLK(3)
Master clock frequency
IOVDD = 3.3 V
50
MHz
fSCL
SCL clock frequency
400
kHz
TA
Operating free-air temperature
–40
85
°C
(1)
To minimize battery-current leakage, the SPLVDD and SPRVDD voltage levels should not be below the AVDD voltage level.
(2)
All grounds on board are tied together, so they should not differ in voltage by more than 0.2 V maximum for any combination of ground
signals. By use of a wide trace or ground plane, ensure a low-impedance connection between HPVSS and DVSS.
(3)
The maximum input frequency should be 50 MHz for any digital pin used as a general-purpose clock.
3.4
Electrical Characteristics
At 25°C; AVDD, HPVDD, IOVDD = 3.3V; SPLVDD, SPRVDD = 3.6 V; DVDD = 1.8 V; fS (audio) = 48 kHz;
CODEC_CLKIN = 256 × fS; PLL = Off; VOL/MICDET pin disabled (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INTERNAL OSCILLATOR—RC_CLK
Oscillator frequency
8.2
MHz
VOLUME CONTROL PIN (ADC); VOL/MICDET PIN ENABLED
VOL/MICDET pin configured as volume control (page 0 /
0.5 ×
Input voltage range
0
V
register 116, bit D7 = 1 and page 0 / register 67, bit D7 = 0)
AVDD
Input capacitance
2
pF
Volume control steps
128
Steps
6
ELECTRICAL SPECIFICATIONS
Copyright 2009, Texas Instruments Incorporated
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Product Folder Link(s): TLV320AIC3111
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