參數(shù)資料
型號： TAS5704PAPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64
封裝： GREEN, PLASTIC, HTQFP-64
文件頁數(shù)： 37/38頁
文件大?。?/td> 735K
代理商： TAS5704PAPRG4
SLOS563A – MARCH 2008 – REVISED AUGUST 2010
www.ti.com
THERMAL INFORMATION
TAS5704
THERMAL METRIC(1)(2)
UNITS
PAP (64 PINS)
qJA
Junction-to-ambient thermal resistance
27
qJCtop
Junction-to-case (top) thermal resistance
15.6
qJB
Junction-to-board thermal resistance
12.6
°C/W
yJT
Junction-to-top characterization parameter
0.2
yJB
Junction-to-board characterization parameter
7.8
qJCbot
Junction-to-case (bottom) thermal resistance
0.8
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
(2)
For thermal estimates of this device based on PCB copper area, see the TI PCB Thermal Calculator.
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
Digital/analog supply voltage
DVDD
3
3.3
3.6
V
Half-bridge supply voltage
PVCC_xx
10
26
V
VIH
High-level input voltage
3.3-V TTL, 5-V tolerant
2
V
VIL
Low-level input voltage
3.3-V TTL, 5-V tolerant
0.8
V
TA
Operating ambient temperature range
0
85
°C
TJ
Operating junction temperature range
0
150
°C
RL (BTL)
6.0
8
RL (SE)
Load impedance
Output filter: L = 22 mH, C = 680 nF.
3.2
4
RL (PBTL)
3.2
4
LO (BTL)
10
Minimum output inductance under
LO (SE)
Output-filter inductance
10
mH
short-circuit condition
LO (PBTL)
10
PWM OPERATION AT RECOMMENDED OPERATING CONDITIONS
PARAMETER
TEST CONDITIONS
MODE
VALUE
UNITS
32–kHz data rate ±2%
12× sample rate
384
kHz
Output sample rate 2×–1×
44.1-, 88.2-, 176.4-kHz data rate ±2%
8×, 4×, and 2× sample rates
352.8
kHz
oversampled
48-, 96-, 192-kHz data rate ±2%
8×, 4×, and 2× sample rates
384
kHz
PLL INPUT PARAMETERS AND EXTERNAL FILTER COMPONENTS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fMCLKI
Frequency, MCLK (1 / tcyc2)
4.9
49.2
MHz
MCLK duty cycle
40%
50%
60%
≥2-V MCLK = 49.152 MHz, within the
MCLK minimum high time
8
ns
min and max duty cycle constraints
≤0.8-V MCLK = 49.152 MHz, within the
MCLK minimum low time
8
ns
min and max duty cycle constraints
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
8
Copyright 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): TAS5704
相關(guān)PDF資料
PDF描述
TAS5704PAPR 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64
TAS5704PAP 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64
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