参数资料
型号: TAS5719PHPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
封装: 7 X 7 MM, GREEN, PLASTIC, HTQFP-48
文件页数: 66/67页
文件大小: 1043K
代理商: TAS5719PHPR
SLOS655A
– NOVEMBER 2010 – REVISED FEBRUARY 2011
RECOMMENDED OPERATING CONDITIONS
MIN
NOM
MAX
UNIT
Digital/analog supply voltage
DVDD, AVDD
3
3.3
3.6
V
Half-bridge supply voltage
PVDD_X
4.5
V
VIH
High-level input voltage
5-V tolerant
2
V
VIL
Low-level input voltage
5-V tolerant
0.8
V
TA
Operating ambient temperature range
0
85
°C
TJ
(1)
Operating junction temperature range
0
125
°C
RL (BTL)
Load impedance
Output filter: L = 15
μH, C = 680 nF
4
8
Minimum output inductance under
4.7
LO (BTL)
Output-filter inductance
μH
short-circuit condition
(1)
Continuous operation above the recommended junction temperature may result in reduced reliability and/or lifetime of the device.
RECOMMENDED OPERATING CONDITIONS FOR HEADPHONE/LINE DRIVER
MIN
NOM
MAX
UNIT
Digital/analog supply voltage
HPVDD
3
3.3
3.6
V
Headphone-mode load imedance
16
R_hp_L
32
(HPL/HPR)
Line-diver-mode load impedance
0.6
R_ln_L
10
k
(HPL/HPR)
PWM OPERATION AT RECOMMENDED OPERATING CONDITIONS
PARAMETER
TEST CONDITIONS
VALUE
UNIT
11.025/22.05/44.1-kHz data rate
±2%
352.8
kHz
Output sample rate
48/24/12/8/16/32-kHz data rate
±2%
384
PLL INPUT PARAMETERS AND EXTERNAL FILTER COMPONENTS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fMCLKI
MCLK Frequency
2.8224
24.576
MHz
MCLK duty cycle
40%
50%
60%
tr /
Rise/fall time for MCLK
5
ns
tf(MCLK)
LRCLK allowable drift before LRCLK reset
4
MCLKs
External PLL filter capacitor C1
SMD 0603 Y5V
47
nF
External PLL filter capacitor C2
SMD 0603 Y5V
4.7
nF
External PLL filter resistor R
SMD 0603, metal film
470
Fcp
Charge Pump Switching Frequency
500
700
KHz
8
2010–2011, Texas Instruments Incorporated
Product Folder Link(s): TAS5717 TAS5719
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