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TPA2028D1YZFT 데이터시트(PDF) 6 Page - Texas Instruments

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부품명 TPA2028D1YZFT
상세설명  Mono Class-D Audio Amplifier
Download  43 Pages
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

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TPA2028D1
SLOS660C – JANUARY 2010 – REVISED OCTOBER 2015
www.ti.com
Electrical Characteristics (continued)
at TA = 25°C, VDD = 3.6 V, SDZ = 1.3 V, and RL = 8 Ω + 33 μH (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
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
7.6 Operating Characteristics
at TA = 25°C, VDD = 3.6 V, EN = 1.3 V, RL = 8 Ω +33 μH, and AV = 6 dB (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
kSVR
power-supply ripple rejection ratio
VDD = 3.6 Vdc with ac of 200 mVPP at 217 Hz
–70
dB
faud_in = 1 kHz; PO = 550 mW; VDD = 3.6 V
0.1%
faud_in = 1 kHz; PO = 1.25 W; VDD = 5 V
0.1%
THD+N
Total harmonic distortion + noise
faud_in = 1 kHz; PO = 710 mW; VDD = 3.6 V
1%
faud_in = 1 kHz; PO = 1.4 W; VDD = 5 V
1%
NfonF
Output integrated noise
Av = 6 dB
42
μV
NfoA
Output integrated noise
Av = 6 dB floor, A-weighted
30
μV
FR
Frequency response
Av = 6 dB
20
20000
Hz
THD+N = 10%, VDD = 5 V, RL = 8 Ω
1.72
W
THD+N = 10%, VDD = 3.6 V, RL = 8 Ω
880
mW
THD+N = 1%, VDD = 5 V, RL = 8 Ω
1.4
W
Pomax
Maximum output power
THD+N = 1% , VDD = 3.6 V, RL = 8 Ω
710
mW
THD+N = 1% , VDD = 5 V, RL = 4 Ω
2.5
W
THD+N = 10% , VDD = 5 V, RL = 4 Ω
3
W
THD+N = 1%, VDD = 3.6 V, RL = 8 Ω, PO= 0.71 W
91%
η
Efficiency
THD+N = 1%, VDD = 5 V, RL = 8 Ω, PO = 1.4 W
93%
7.7 I
2C Timing Requirements
For I
2C Interface Signals Over Recommended Operating Conditions (unless otherwise noted)
MIN
TYP
MAX
UNIT
fSCL
Frequency, SCL
No wait states
400
kHz
tW(H)
Pulse duration, SCL high
0.6
μs
tW(L)
Pulse duration, SCL low
1.3
μs
tSU(1)
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
μs
tSU2
Setup time, SCL to start condition
0.6
μs
th2
Hold time, start condition to SCL
0.6
μs
tSU3
Setup time, SCL to stop condition
0.6
μs
6
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