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| TPA2054D4A Datasheet, PDF (5/30 Pages) Texas Instruments – 1.4 W/CH STEREO CLASS-D AUDIO SUBSYSTEM WITH DirectPath™ HEADPHONE AMPLIFIER AND 3:1 INPUT MUX | |||
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TPA2054D4A
www.ti.com
DISSIPATION RATINGS
PACKAGE
YZK (WCSP)
TA < 25°C
1.12 W
DERATING FACTOR
9 mW/°C
TA = 70°C
720 mW
SLOS666 â MAY 2010
TA = 85°C
585 mW
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
Class-D supply voltage, PVDD
Charge pump supply voltage, VDDHP
I2C supply voltage, DVDD
VIH
High-level input voltage
SDA, SCL, RESET, DVDD = 1.8 V
SDA, SCL, RESET, DVDD = 3.3 V
VIL
Low-level input voltage
SDA, SCL, RESET, DVDD = 1.8 V
SDA, SCL, RESET, DVDD = 3.3 V
TA
Operation free-air temperature
MIN
MAX UNIT
2.5
5.5
V
2.5
5.5
V
1.7
3.3
V
1.3
V
3.0
0.3
V
â40
85
°C
ELECTRICAL CHARACTERISTICS
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
DC Power supply rejection ratio
(Class-D amplifiers)
VDD = 2.5 V to 5.5 V, Single-ended mode
DC Power supply rejection ratio
(headphone amplifiers)
VDD = 2.5 V to 5.5 V, Single-ended mode
High-level input current (SDA, SCL,
RESET)
Low-level input current (SDA, SCL,
RESET)
AVDD Power on reset ON threshold
AVDD Power on reset hysteresis
Supply current
VDD = 5.5 V, Class-D and Headphone amplifiers active, no load
VDD = 4.2 V, Class-D active, Headphone deactivated, no load
VDD = 4.2 V, Headphone active, Class-D deactivated, no load
VDD = 2.5 V to 5.5 V, RESET ⥠VIH, SWS = 1
(software shutdown mode)
VDD = 2.5 V to 5.5 V, RESET ⤠0.3 V (hard shutdown mode)
MIN TYP MAX UNIT
48
75
dB
60
80
dB
1 mA
1 mA
2.0 2.3 V
0.2
V
15.8
20 mA
7.5 10.5 mA
10 13.5 mA
2.5
4 mA
0.2
2 mA
TIMING CHARACTERISTICS
For I2C Interface Signals Over Recommended Operating Conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
fSCLN
tW(H)
tW(L)
tsu1
th1
t(buf)
tsu2
th2
tsu3
Frequency, SCL
Pulse duration, SCL high
Pulse duration, SCL low
Setup time, SDA to SCL
Hold time, SCL to SDA
Bus free time between stop and start condition
Setup time, SCL to start condition
Hold time, start condition to SCL
Setup time, SCL to stop condition
No wait states
MIN TYP MAX UNIT
400 kHz
0.6
ms
1.3
ms
100
ns
10
ns
1.3
ms
0.6
ms
0.6
ms
0.6
ms
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): TPA2054D4A
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