參數(shù)資料
型號(hào)： TAS5711PHPR
廠商： Texas Instruments
文件頁數(shù)： 66/66頁
文件大?。?/td> 0K
描述： IC AMP AUD DGTL 20W 2CH 48HTQFP
標(biāo)準(zhǔn)包裝： 1
類型： D 類
輸出類型： 2 通道（立體聲，2.1）或 4 通道（四路）
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： 21W x 2 @ 8 歐姆
電源電壓： 8 V ~ 26 V
特點(diǎn)： 消除爆音，數(shù)字輸入，I²C，I²S，靜音，短路和熱保護(hù)，關(guān)機(jī)，音量控制
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 48-HTQFP（7x7）
封裝/外殼： 48-TQFP 裸露焊盤
包裝： 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面： 860 (CN2011-ZH PDF)
其它名稱： 296-25564-6
www.ti.com
SLOS600A – DECEMBER 2009 – REVISED AUGUST 2010
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 X7R
47
nF
External PLL filter capacitor C2
SMD 0603 X7R
4.7
nF
External PLL filter resistor R
SMD 0603, metal film
470
ELECTRICAL CHARACTERISTICS
DC Characteristics
TA = 25°, PVCC_x = 18V, DVDD = AVDD = 3.3V, RL= 8, BTL AD Mode, FS = 48KHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
A_SEL and SDA
IOH = –4 mA
2.4
V
DVDD = AVDD = 3 V
VOL
Low-level output voltage
A_SEL and SDA
IOL = 4 mA
0.5
V
DVDD = AVDD = 3 V
VI < VIL ; DVDD = AVDD
75
IIL
Low-level input current
mA
= 3.6V
VI > VIH ; DVDD =
75(1)
IIH
High-level input current
mA
AVDD = 3.6V
Normal Mode
48
70
3.3 V supply voltage (DVDD,
IDD
3.3 V supply current
mA
Reset (RESET = low,
24
32
AVDD)
PDN = high)
Normal Mode
30
55
IPVDD
Half-bridge supply current
No load (PVDD_x)
mA
Reset (RESET = low,
5
13
PDN = high)
Drain-to-source resistance, LS TJ = 25°C, includes metallization resistance
180
rDS(on)
(2)
m
Drain-to-source resistance,
TJ = 25°C, includes metallization resistance
180
HS
I/O Protection
Vuvp
Undervoltage protection limit
PVDD falling
7.2
V
Vuvp,hyst
Undervoltage protection limit
PVDD rising
7.6
V
OTE(3)
Overtemperature error
150
°C
Extra temperature drop
OTEHYST
(3)
30
°C
required to recover from error
OLPC
Overload protection counter
fPWM = 384 kHz
0.63
ms
IOC
Overcurrent limit protection
Resistor—programmable, max. current, ROCP = 22 k
4.5
A
IOCT
Overcurrent response time
150
ns
OC programming resistor
Resistor tolerance = 5% for typical value; the minimum
ROCP
20
22
k
range
resistance should not be less than 20 k
.
Internal pulldown resistor at
Connected when drivers are tristated to provide bootstrap
RPD
3
k
the output of each half-bridge
capacitor charge.
(1)
IIH for the PBTL pin has a maximum limit of 200 A due to an intenal pulldown on the pin.
(2)
This does not include bond-wire or pin resistance.
(3)
Specified by design
Copyright 2009–2010, Texas Instruments Incorporated
9
Product Folder Link(s): TAS5711
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