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| 型號： | TAS5146DKD |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | STEREO DIGITAL AMPLIFIER POWER STAGE |
| 中文描述： | 立體聲數(shù)字放大器功率級 |
| 文件頁數(shù)： | 10/26頁 |
| 文件大?。?/td> | 583K |
| 代理商： | TAS5146DKD |
www.ti.com
ELECTRICAL CHARACTERISTICS
R
L
= 4
, F
PWM
= 384 kHz, unless otherwise noted. All performance is in accordance with recommended operating conditions
unless otherwise specified.
TAS5142
SLES126B–DECEMBER 2004–REVISED MAY 2005
TAS5142
TYP
PARAMETER
TEST CONDITIONS
UNIT
MIN
MAX
Internal Voltage Regulator and Current Consumption
Voltage regulator, only used as a
VREG
reference node
VDD = 12 V
3
3.3
3.6
V
Operating, 50% duty cycle
Idle, reset mode
50% duty cycle
Reset mode
50% duty cycle, without output filter or load
Reset mode, no switching
7
6
5
17
11
16
1
25
25
IVDD
VDD supply current
mA
IGVDD_X
Gate supply current per half-bridge
mA
0.3
15
mA
μ
A
IPVDD_X
Half-bridge idle current
7
Output Stage MOSFETs
T
= 25°C, includes metallization resistance,
GVDD = 12 V
T
= 25°C, includes metallization resistance,
GVDD = 12 V
R
DSon,LS
Drain-to-source resistance, LS
140
155
m
R
DSon,HS
Drain-to-source resistance, HS
140
155
m
I/O Protection
Undervoltage protection limit,
GVDD_X
V
uvp,G
9.8
V
V
uvp,hyst(1)
OTW
(1)
250
125
mV
°C
Overtemperature warning
Temperature drop needed below
OTW temp. for OTW to be inactive
after the OTW event
Overtemperature error
115
135
OTW
HYST(1)
25
°C
OTE
(1)
OTE-
OTW
differential(1)
145
155
165
°C
OTE-OTW differential
30
°C
A reset event must occur for SD to
be released following an OTE event.
Overload protection counter
OTE
HYST(1)
25
°C
OLPC
F
PWM
= 384 kHz
Resistor—programmable, high-end,
R
OCP
= 18 k
1.25
ms
I
OC
Overcurrent limit protection
7.9
9.7
11.4
A
I
OCT
R
OCP
Overcurrent response time
OC programming resistor range
210
ns
k
Resistor tolerance = 5%
Connected when RESET is active to provide
bootstrap capacitor charge. Not used in SE
mode
18
69
Internal pulldown resistor at the out-
put of each half-bridge
R
PD
2.5
k
Static Digital Specifications
V
IH
V
IL
Leakage
OTW/SHUTDOWN (SD)
High-level input voltage
Low-level input voltage
Input leakage current
2
V
V
μ
A
PWM_A, PWM_B, PWM_C, PWM_D, M1,
M2, M3, RESET_AB, RESET_CD
0.8
10
–10
Internal pullup resistance, OTW to
VREG, SD to VREG
R
INT_PU
20
26
32
k
Internal pullup resistor
External pullup of 4.7 k
to 5 V
I
O
= 4 mA
No external pullup
3
3.3
3.6
V
OH
High-level output voltage
V
4.5
5
V
OL
FANOUT
Low-level output voltage
Device fanout OTW, SD
0.2
30
0.4
V
Devices
(1)
Specified by design
10
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相關代理商/技術參數(shù) |
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|---|---|
| TAS5152 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO DIGITAL AMPLIFIER POWER STAGE |
| TAS5152_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:STEREO DIGITAL AMPLIFIER POWER STAGE |
| TAS5152DKD | 功能描述:音頻放大器 Stereo 125W Powerstage RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TAS5152DKD | 制造商:Texas Instruments 功能描述:Special Function IC |
| TAS5152DKDG4 | 功能描述:音頻放大器 Stereo 125W Powerstage RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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