參數(shù)資料
型號： TPA0243DGQR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10
封裝： GREEN, PLASTIC, MSOP-10
文件頁數(shù)： 6/11頁
文件大小： 470K
代理商： TPA0243DGQR
TPA0243
2-W MONO AUDIO POWER AMPLIFIER
WITH HEADPHONE DRIVE
SLOS279C – JANUARY 2000 – REVISED NOVEMBER 2002
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, VDD = 3 V, TA = 25°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOO|
Output offset voltage (measured differentially)
SHUTDOWN = 2 V, ST/MN = 0, RL = 4
30
mV
IDD
Supply current
VDD = 2.5 V, SHUTDOWN = 2 V
9
14
mA
IDD(SD)
Supply current, shutdown mode
SHUTDOWN = 0 V
1
10
A
|I
|
High level input current
SHUTDOWN, VDD = 3.3 V,
VI = VDD
1
A
|IIH|
High-level input current
ST/MN, VDD = 3.3 V,
VI = VDD
1
A
|I |
Low level input current
SHUTDOWN, VDD = 3.3 V,
VI = 0 V
1
A
|IIL|
Low-level input current
ST/MN, VDD = 3.3 V,
VI = 0 V
1
A
RF
Feedback resistor
VDD = 2.5 V, RL = 4 , ST/MN = 1.375 V,
SHUTDOWN = 2 V
47
50
57
k
operating characteristics, VDD = 3 V, TA = 25°C, RL = 4
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
P
Output power see Note 1
THD = 1%,
BTL mode
660
mW
PO
Output power, see Note 1
THD = 0.1%,
SE mode,
RL = 32
34
mW
THD + N
Total harmonic distortion plus noise
PO = 500 mW,
f = 20 Hz to 20 kHz
0.3%
BOM
Maximum output power bandwidth
Gain = 2,
THD = 2%
20
kHz
NOTE 1: Output power is measured at the output terminals of the device at f = 1 kHz.
electrical characteristics at specified free-air temperature, VDD = 5 V, TA = 25°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOO|
Output offset voltage (measured differentially)
SHUTDOWN = 2 V, ST/MN = 0, RL = 4
30
mV
IDD
Supply current
SHUTDOWN = 2 V
10
15
mA
IDD(SD)
Supply current, shutdown mode
SHUTDOWN = 0 V
1
10
A
|I
|
High level input current
SHUTDOWN, VDD = 5.5 V,
VI = VDD
1
A
|IIH|
High-level input current
ST/MN, VDD = 5.5 V,
VI = VDD
1
A
|I |
Low level input current
SHUTDOWN, VDD = 5.5 V,
VI = 0 V
1
A
|IIL|
Low-level input current
ST/MN, VDD = 5.5 V,
VI = 0 V
1
A
operating characteristics, VDD = 5 V, TA = 25°C, RL = 4
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
P
Output power see Note 1
THD = 1%,
BTL mode
2
W
PO
Output power, see Note 1
THD = 0.1%,
SE mode,
RL = 32
95
mW
THD + N
Total harmonic distortion plus noise
PO = 1 W,
f = 20 Hz to 20 kHz
0.2%
BOM
Maximum output power bandwidth
Gain = 2.5,
THD = 2%
20
kHz
NOTE 1: Output power is measured at the output terminals of the device at f = 1 kHz.
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