參數(shù)資料
型號: TAS5705PAPG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64
封裝: 10 X 10 MM, GREEN, PLASTIC, HTQFP-64
文件頁數(shù): 71/72頁
文件大小: 1168K
代理商: TAS5705PAPG4
SLOS549A – JUNE 2008 – REVISED SEPTEMBER 2009 ................................................................................................................................................ www.ti.com
DISSIPATION RATINGS
DERATING FACTOR
TA ≤ 25°C
TA = 70°C
TA = 85°C
PACKAGE
ABOVE TA = 25°C
POWER RATING
10-mm × 10-mm QFP
40 mW/°C
5 W
3.2 W
2.6 W
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
8
23
V
VIH
High-level input voltage
3.3-V TTL, 5-V tolerant
2
5.5
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
8
Load impedance
Output filter: L = 15
μH, C = 0.68 μF
RL (SE)
3.2
4
LO (BTL)
10
Minimum output inductance under
Output-filter inductance
μH
short-circuit condition
LO (SE)
10
PWM OPERATION AT RECOMMENDED OPERATING CONDITIONS
PARAMETER
TEST CONDITIONS
MODE
VALUE
UNIT
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%
MCLK minimum high time
8
ns
MCLK minimum low time
8
ns
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 2008–2009, Texas Instruments Incorporated
Product Folder Link(s): TAS5705
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