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TAS5731MPHPR 数据表(PDF) 7 Page - Texas Instruments

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部件名 TAS5731MPHPR
功能描述  Digital Audio Power Amplifier
PDF  81 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

TAS5731MPHPR 数据表(HTML) 7 Page - Texas Instruments

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TAS5731M
www.ti.com
SLOS838C – JULY 2013 – REVISED AUGUST 2015
7.3 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
26.4(1)
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
(2)
Operating junction temperature range
0
125
°C
RL (PBTL)
Load impedance
Output filter: L = 15
μH, C = 680 nF
2
Ω
RL (BTL)
Load impedance
Output filter: L = 15
μH, C = 680 nF
4
Ω
RL (SE)
Load impedance
Output filter: L = 15
μH, C = 680 nF
2
Ω
Minimum output inductance under short-
LO
Output-filter inductance
10
μH
circuit condition
(1)
For operation at PVDD_x levels greater than 18 V, the modulation limit must be set to 93.8% through the control port register 0x10.
(2)
Continuous operation above the recommended junction temperature may result in reduced reliability and/or lifetime of the device.
7.4 Thermal Information
TAS5731M
THERMAL METRIC(1)
PHP (HTQFP)
UNIT
48 PINS
RθJA
Junction-to-ambient thermal resistance
27.9
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
1.1
°C/W
RθJB
Junction-to-board thermal resistance
13
°C/W
ψJT
Junction-to-top characterization parameter
20.7
°C/W
ψJB
Junction-to-board characterization parameter
0.3
°C/W
RθJC(bot)
Junction-to-case (bottom) thermal resistance
6.7
°C/W
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
7.5 PWM Operation at Recommended Operating Conditions
PARAMETER
TEST CONDITIONS
VALUE
UNIT
11.025/22.05/44.1-kHz data rate ±2%
352.8
Output PWM switch frequency
kHz
48/24/12/8/16/32-kHz data rate ±2%
384
Copyright © 2013–2015, Texas Instruments Incorporated
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Product Folder Links: TAS5731M



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