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TPA2028D1 Datasheet(PDF) 4 Page - Texas Instruments

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Part # TPA2028D1
Description  3-W Mono Class-D Audio Amplifier with Fast Gain Ramp SmartGain??AGC/DRC
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPA2028D1 Datasheet(HTML) 4 Page - Texas Instruments

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TPA2028D1
SLOS660 – JANUARY 2010
www.ti.com
AVAILABLE OPTIONS(1)
TA
PACKAGED DEVICES(2)
PART NUMBER
SYMBOL
TPA2028D1YZFR
–40°C to 85°C
9-ball, WCSP
NSU
TPA2028D1YZFT
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
Web site at www.ti.com
(2)
The YZF packages are only available taped and reeled. The suffix R indicates a reel of 3000; the suffix T indicates a reel of 250.
RECOMMENDED OPERATING CONDITIONS
MIN
MAX
UNIT
VDD
Supply voltage
PVDD
2.5
5.5
V
VIH
High-level input voltage
EN, SDA, SCL
1.3
V
VIL
Low-level input voltage
EN, SDA, SCL
0.6
V
TA
Operating free-air temperature
–40
+85
°C
ELECTRICAL CHARACTERISTICS
at TA = 25°C, VDD = 3.6 V, SDZ = 1.3 V, and RL = 8 Ω + 33 mH (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD
Supply voltage range
2.5
3.6
5.5
V
EN = 0.35 V, VDD = 2.5 V
0.1
1
ISDZ
Shutdown quiescent current
EN = 0.35 V, VDD = 3.6 V
0.2
1
µA
EN = 0.35 V, VDD = 5.5 V
0.3
1
EN = 1.3 V, VDD = 2.5 V
35
50
Software shutdown quiescent
ISWS
EN = 1.3 V, VDD = 3.6 V
50
70
µA
current
EN = 1.3 V, VDD = 5.5 V
75
100
VDD = 2.5 V
1.5
2.5
IDD
Supply current
VDD = 3.6 V
1.7
2.7
mA
VDD = 5.5 V
2
3.5
fSW
Class D Switching Frequency
275
300
325
kHz
IIH
High-level input current
VDD = 5.5 V, EN = 5.8 V
1
µA
IIL
Low-level input current
VDD = 5.5 V, EN = –0.3 V
–1
µA
tSTART
Start-up time
2.5 V
≤ VDD ≤ 5.5 V no pop, CIN ≤ 1 mF
5
ms
POR
Power on reset ON threshold
2
2.3
V
POR
Power on reset hysteresis
0.2
V
RL = 8 Ω, Vicm = 0.5 V and Vicm = VDD – 0.8 V,
CMRR
Input common mode rejection
–75
dB
differential inputs shorted
VDD = 3.6 V, AV = 6 dB, RL = 8 Ω, inputs ac
Voo
Output offset voltage
1.5
10
mV
grounded
Output Impedance in shutdown
2
k
ZOUT
EN = 0.35 V
mode
Gain accuracy
Compression and limiter disabled, Gain = 0 to 30 dB
–0.5
0.5
dB
PSRR
Power supply rejection ratio
VDD = 2.5 V to 4.7 V
–80
dB
4
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): TPA2028D1


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