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參數資料
| 型號： | TPA2054D4AYZKR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.94 W, 2 CHANNEL, AUDIO AMPLIFIER, BGA25 |
| 封裝： | 2.61 X 2.61 MM, GREEN, DSBGA-25 |
| 文件頁數： | 26/30頁 |
| 文件大小： | 858K |
| 代理商： | TPA2054D4AYZKR |
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SLOS666 – MAY 2010
DISSIPATION RATINGS
PACKAGE
TA < 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
YZK (WCSP)
1.12 W
9 mW/°C
720 mW
585 mW
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
Class-D supply voltage, PVDD
2.5
5.5
V
Charge pump supply voltage, VDDHP
2.5
5.5
V
I2C supply voltage, DVDD
1.7
3.3
V
VIH
High-level input voltage
SDA, SCL, RESET, DVDD = 1.8 V
1.3
V
SDA, SCL, RESET, DVDD = 3.3 V
3.0
VIL
Low-level input voltage
SDA, SCL, RESET, DVDD = 1.8 V
0.3
V
SDA, SCL, RESET, DVDD = 3.3 V
TA
Operation free-air temperature
–40
85
°C
ELECTRICAL CHARACTERISTICS
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DC Power supply rejection ratio
VDD = 2.5 V to 5.5 V, Single-ended mode
48
75
dB
(Class-D amplifiers)
DC Power supply rejection ratio
VDD = 2.5 V to 5.5 V, Single-ended mode
60
80
dB
(headphone amplifiers)
High-level input current (SDA, SCL,
1
mA
RESET)
Low-level input current (SDA, SCL,
1
mA
RESET)
AVDD Power on reset ON threshold
2.0
2.3
V
AVDD Power on reset hysteresis
0.2
V
VDD = 5.5 V, Class-D and Headphone amplifiers active, no load
15.8
20
mA
VDD = 4.2 V, Class-D active, Headphone deactivated, no load
7.5
10.5
mA
VDD = 4.2 V, Headphone active, Class-D deactivated, no load
10
13.5
mA
Supply current
VDD = 2.5 V to 5.5 V, RESET ≥ VIH, SWS = 1
2.5
4
mA
(software shutdown mode)
VDD = 2.5 V to 5.5 V, RESET ≤ 0.3 V (hard shutdown mode)
0.2
2
mA
TIMING CHARACTERISTICS
For I
2C Interface Signals Over Recommended Operating Conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fSCLN
Frequency, SCL
No wait states
400
kHz
tW(H)
Pulse duration, SCL high
0.6
ms
tW(L)
Pulse duration, SCL low
1.3
ms
tsu1
Setup time, SDA to SCL
100
ns
th1
Hold time, SCL to SDA
10
ns
t(buf)
Bus free time between stop and start condition
1.3
ms
tsu2
Setup time, SCL to start condition
0.6
ms
th2
Hold time, start condition to SCL
0.6
ms
tsu3
Setup time, SCL to stop condition
0.6
ms
Copyright 2010, Texas Instruments Incorporated
5
Product Folder Link(s): TPA2054D4A
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| TPA2054D4AYZKT | 功能描述:音頻放大器 1.4 W/Ch 3-Inp Audio Subsystem 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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| TPA2054D4YZKT | 功能描述:音頻放大器 1.4 W/Ch Stereo Class-D Aud Subsys 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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