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參數資料
| 型號： | TPA6139A2RGT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.025 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC16 |
| 封裝： | QFN-16 |
| 文件頁數： | 15/19頁 |
| 文件大小： | 467K |
| 代理商： | TPA6139A2RGT |
SLOS700A
– JANUARY 2011 – REVISED MAY 2011
ELECTRICAL CHARACTERISTICS
VDD = 3.3V, RLoad = 32Ω, TA = 25°C, Charge pump: CCP = 1.0 μF (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOS|
Output offset voltage
VDD = 3.3 V, input ac-coupled
0.5
1
mV
PSRR
Power-supply rejection ratio
70
80
dB
VOH
High-level output voltage
VDD = 3.3 V
3.1
V
VOL
Low-level output voltage
VDD = 3.3 V
–3.05
V
Vuvp_on
PVDD, under voltage detection
2.8
V
Vuvp_hysteresis PVDD, under voltage detection, hysteresis
200
mV
Fcp
Charge pump switching frequency
350
kHz
|IIH|
High-level input current, MUTE
VDD = 3.3 V, VIH = VDD
1
A
|IIL|
Low-level input current, MUTE
VDD = 3.3 V, VIL = 0 V
1
A
I (VDD)
Supply current, no load
VDD, MUTE = 3.3 V
25
mA
Supply current, MUTED
VDD = 3.3 V, MUTE = GND
25
mA
Tsd
Thermal shutdown
150
°C
Thermal shutdown hysteresis
15
°C
PO
Output Power, outputs in phase
THD+N = 1%, f = 1kHz, 32
Ω load
25
mW
THD+N = 1%, f = 1kHz, 32
Ω load
0.9
VO
Output Voltage, outputs in phase
Vrms
THD+N = 1%, f = 1kHz, 600
Ω load
2.0
Total Harmonic distortion plus noise
f = 1kHz, 32
Ω load, Po= 25mW, -1x
0.03%
THD+N
gain
Total Harmonic distortion plus noise
f = 1kHz, 10k
Ωload, Vo=2 Vrms, -1x
0.005%
THD+N
gain
ΔAV
Gain matching
Between left and right channels
0.25
dB
ZO
Output impedance when muted
MUTE = GND
1
Ω
Input to output attenuation when muted
MUTE = GND
80
dB
A-weighted, AES17 filter, 1Vrms ref
SNR
Signal to noise ratio
99
dB
32
Ω load, -1x gain
A-weighted, AES17 filter, 2Vrms ref
105
Signal to noise ratio
dB
600
Ω load, -1x gain
Vn
Noise voltage
A-weighted, AES17 filter, Gain=-2x
12
V
Slew rate
4.5
V/
s
Gbw
Unity Gain bandwidth
8
MHz
Crosstalk
Channel to channel
f = 1kHz, Rload = 32
Ω, Po= 25mW
–85
dB
Vincm_pos
Positive Common mode input voltage
+2.0
V
Vincm_neg
Negative Common mode input voltage
–2.0
V
Ilim
Output current limit
60
mA
Copyright
2011, Texas Instruments Incorporated
5
Product Folder Link(s) :TPA6139A2
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