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参数资料
型号： TAS5705PAP
厂商： TEXAS INSTRUMENTS INC
元件分类： 音频／视频放大
英文描述： 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64
封装： 10 X 10 MM, GREEN, PLASTIC, HTQFP-64
文件页数： 72/72页
文件大小： 1168K
代理商： TAS5705PAP
TAS5705
www.ti.com ................................................................................................................................................ SLOS549A – JUNE 2008 – REVISED SEPTEMBER 2009
ELECTRICAL CHARACTERISTICS
DC Characteristics
TA = 25°, PVCC_X = 18 V, DVDD = AVDD = 3.3 V, RL= 8 , BTL mode (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
3.3-V TTL and 5-V tolerant (1)
IOH = –4 mA
2.4
V
VOL
Low-level output voltage
3.3-V TTL and 5-V tolerant (1)
IOL = 4 mA
0.5
V
3.3-V TTL
VI = VIL
±2
IIL
(2)
Low-level input current
μA
5-V tolerant(1)
VI = 0 V, DVDD = 3 V
±2
3.3-V TTL
VI = VIH
±2
IIH
(2)
High-level input current
μA
5-V tolerant
VI = 5.5 V, DVDD = 3 V
±20
Normal Mode
65
83
Digital supply voltage (DVDD,
Power down (PDN =
8
23
IDD
Digital supply current
mA
AVDD)
low)
Reset (RESET = low)
23
38.5
IPVDD
Analog supply current
No load (all PVDD inputs)
30
60
Power down (PDN =
5
6.3
IPVDD(PDN)
Power-down current
No load (all PVDD inputs)
mA
low)
IPVDD(RESET)
Reset current
No load (all PVDD inputs)
Reset (RESET = low)
5
6.3
Drain-to-source resistance,
180
TJ = 25°C, includes metallization resistance
LS
rDS(on)
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)
required to recover from
30
°C
error
OLPC
Overload protection counter
fPWM = 384 kHz
0.63
ms
Resistor—programmable, max. current,
4.5
IOC
Overcurrent limit protection
A
ROCP = 22 k
IOCT
Overcurrent response time
150
ns
Resistor tolerance = 5% for typical value; the minimum
OC programming resistor
ROCP
resistance should not be less than 20 k
. This value is
20
22
k
range
not adjustable. It must be fixed at 22 k
.
Internal pulldown resistor at
Connected when RESET is active to provide bootstrap
RPD
3
k
the output of each half-bridge capacitor charge.
(1)
5-V tolerant inputs are PDN, RESET, MUTE, SCLK, LRCLK, MCLK, SDIN1, SDIN2, SDA, SCL, and HPSEL.
(2)
IIL or IIH for pins with internal pullup can go up to 50 μA.
(3)
Specified by design
Copyright 2008–2009, Texas Instruments Incorporated
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Product Folder Link(s): TAS5705
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