參數(shù)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(shù)： 26/30頁
文件大?。?/td> 858K
代理商： TPA2054D4AYZKR
www.ti.com
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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