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TPA6140A2YFF датащи(PDF) 6 Page - Texas Instruments

номер детали TPA6140A2YFF
подробное описание детали  CLASS-G DIRECTPATH??STEREO HEADPHONE AMPLIFIER WITH I2C VOLUME CONTROL
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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TPA6140A2YFF датащи(HTML) 6 Page - Texas Instruments

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background image
SCL
SDA
th2
t(buf)
tsu2
tsu3
StartCondition
StopCondition
OPERATING CHARACTERISTICS
TPA6140A2
SLOS598 – MARCH 2009 .................................................................................................................................................................................................. www.ti.com
Figure 2. Start and Stop Conditions Timing
AVDD = 3.6 V , TA = 25°C, GAIN = 0 dB, RL = 32 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AVDD = 2.7V, THD = 1%, f = 1 kHz
26
AVDD = 2.7V, THD = 10%, f = 1 kHz
32
PO
Output power(1) (Outputs in Phase)
mW
AVDD = 2.7V, THD = 1%, f = 1 kHz, RL =
25
16
PO = 10 mW into 16 Ω, f = 1 kHz
0.02%
THD+N
Total harmonic distortion plus noise(2)
PO = 20 mW into 32 Ω, f = 1 kHz
0.01%
200 mVpp ripple, f = 217 Hz
80
100
kSVR
AC-Power supply rejection ratio
dB
200 mVpp ripple, f = 4 kHz
90
ΔAV
Gain matching
Between left and right channels
1%
VOS
Output offset voltage
AVDD = 2.5 V to 5.5 V, inputs grounded
–0.5
0
0.5
mV
En
Noise output voltage
A-weighted
5.3
µVRMS
fBUCK
Buck converter switching frequency
PO = 0.5 mW into 32 Ω, f = 1 kHz
600
kHz
PO = 0.5 mW into 32 Ω, f = 1 kHz
315
fPUMP
Charge pump switching frequency
kHz
PO = 15 mW into 32 Ω, f = 1 kHz
1260
Start-up time from shutdown
5
ms
RIN,SE
Single Ended Input impedance
Gain = 4 dB, per input node
15.6
k
RIN,DF
Differential input impedance
Gain = 4 dB, per input node
31.2
k
SNR
Signal-to-noise ratio
VOUT = 1 VRMS, GAIN = 4 dB, no load
105
dB
Threshold
165
Thermal shutdown
°C
Hysteresis
35
ZO,SD
Output impedance in shutdown
SWS = 1, DC value
8
k
40 kHz, 1.8 VPEAK signal max
8.5
k
ZO,HI-Z
Output impedance in Hi-Z mode
6 MHz, 1.8 VPEAK signal max
600
13 MHz, 1.8 VPEAK signal max
400
Crosstalk
PO = 15 mW, f = 1 kHz
–80
dB
VCM
Input common-mode voltage range
0
1.4
V
(1)
Per channel output power
(2)
A-weighted
6
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): TPA6140A2


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