參數(shù)資料
型號(hào)： TAS5708PHPR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 20.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
封裝： 7 X 7 MM, GREEN, PLASTIC, HTQFP-48
文件頁數(shù)： 55/56頁
文件大小： 1104K
代理商： TAS5708PHPR
PLL INPUT PARAMETERS AND EXTERNAL FILTER COMPONENTS
ELECTRICAL CHARACTERISTICS
SLOS570 – DECEMBER 2008 ........................................................................................................................................................................................... www.ti.com
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
DC Characteristics, BD BTL Mode, FS = 48 kHz, TA = 25°C, PVCC_X = AVCC = 18 V, DVDD=AVDD= 3.3V, RL = 8 (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
FAULT and SDA
IOH = –4 mA ,
2.4
V
DVDD=AVDD=3.0 V
VOL
Low-level output voltage
FAULT and SDA
IOL = 4 mA ,
0.5
V
DVDD=AVDD=3.0 V
|VOS|
Class-D output offset voltage
26
mV
VBYPASS
PVCC/8 reference for analog section
No load
2.1
2.26
2.4
V
Digital Inputs
VI ≤ VIL
75
IIL
Low-level input current
A
DVDD = AVDD = 3.6 V
Digital Inputs
VI ≥ VIH
75
IIH
High-level input current
A
DVDD = AVDD = 3.6 V
Normal mode
43
77
3.3V Supply voltage (DVDD +
IDD
3.3-V supply current
mA
Reset (RESET = low, PDN
19
24
AVDD)
= high)
Normal Mode
34
60
mA
ICC
Half-Bridge supply current
No Load (PVCC + AVCC)
Reset (RESET = low, PDN
54
310
A
= high)
Drain-to-source resistance, high-side
VCC = 18 V , IO = 500 mA,
240
rDS(on)
(1)
TJ = 25°C, includes
m
240
Drain-to-source resistance, low-side
metallization resistance
Protection
Undervoltage protection
8.4
Vuvp
PVCC_X = AVCC falling
V
limit
Undervoltage protection
8.5
Vuvp,hyst
PVCC_X = AVCC rising
V
limit
Over-voltage protection
27.5
Vovp
PVCC_X = AVCC rising
V
limit
Over-voltage protection
27.2
Vovp,hyst
PVCC_X = AVCC falling
V
limit
OTE(2)
Over temperature error (output shutdown, unlatched)
150
°C
OTEHYST
(2)
Extra temperature drop required to recover from error
15
°C
(1)
This does not include bond-wire or pin resistance.
(2)
Specified by design
8
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TAS5708
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