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參數資料
| 型號： | TPA6139A2PWR |
| 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, PDSO14 |
| 封裝： | GREEN, PLASTIC, TSSOP-14 |
| 文件頁數： | 16/19頁 |
| 文件大小： | 467K |
| 代理商： | TPA6139A2PWR |
SLOS700A
– JANUARY 2011 – REVISED MAY 2011
PROGRAMMABLE GAIN SETTINGS
VDD = 3.3 V, Rload = 32 kΩ, TA = 25°C, Charge pump:= CCP 1 F, CIN = 1.0 F, 1 x gain select (unless otherwise noted)
(1)
TPA6139A2
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
R_Tol
Gain programming resistor tolerance
2%
ΔAV
Gain matching
Between left and right channels
0.25
dB
Gain step tolerance
0.10
dB
Gain resistor 2% tolerance
249k or higher
–2.0
82k0
–1.0
49k2
–1.5
35k1
–2.3
27k3
–2.5
20k5
–3.0
Gain steps
V/V
15k4
–3.5
11k5
–4.0
9k09
–5.0
7k50
–5.6
6k19
–6.4
5k11
–8.3
3k90
–10.0
Gain resistor 2% tolerance
249k or higher
37
82k0
55
49k2
44
35k1
33
27k3
31
20k5
28
Input impedance
k
Ω
15k4
24
11k5
22
9k09
18
7k50
17
6k19
15
5k11
12
3k90
10.0
(1)
If pin 12, GAIN, is left floating an internal pull-up sets the gain to
–2.0x
Gain setting is latched during power-up
6
Copyright
2011, Texas Instruments Incorporated
Product Folder Link(s) :TPA6139A2
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