參數(shù)資料
型號: TPA711DGNR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: GREEN, PLASTIC, MSOP-8
文件頁數(shù): 23/38頁
文件大小: 973K
代理商: TPA711DGNR
TPA711
700mW MONO LOW VOLTAGE AUDIO POWER AMPLIFIER
SLOS230D NOVEMBER 1998 REVISED OCTOBER 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
MAX
UNIT
Supply voltage, VDD
2.5
5.5
V
High-level voltage, VIH
SHUTDOWN
0.9VDD
V
High-level voltage, VIH
SE/BTL
0.9VDD
V
Low-level voltage, VIL
SHUTDOWN
0.1VDD
V
Low-level voltage, VIL
SE/BTL
0.1VDD
V
Operating free-air temperature, TA (see Table 3)
40
85
°C
electrical characteristics at specified free-air temperature, VDD = 3.3 V, TA = 25°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOO
Output offset voltage (measured
differentially)
SHUTDOWN = 0 V, SE/BTL = 0 V, RL = 8 ,
RF = 10 k
20
mV
PSRR
Power supply rejection ratio
VDD = 3.2 V to 3.4 V
BTL mode
85
dB
PSRR
Power supply rejection ratio
VDD = 3.2 V to 3.4 V
SE mode
83
dB
IDD
Supply current (see Figure 6)
BTL mode, SHUTDOWN = 0 V,
SE/BTL = 0.33 V, RF = 10 k
1.25
2.5
mA
IDD
Supply current (see Figure 6)
SE mode, SHUTDOWN = 0 V,
SE/BTL = 2.97 V, RF = 10 k
0.65
1.25
mA
IDD(SD)
Supply current, shutdown mode
(see Figure 7)
SE/BTL = 2.97 V, SHUTDOWN = VDD, RF = 10 k
7
50
A
|IIH|
SHUTDOWN, VDD = 3.3 V, VI = VDD
1
A
|IIH|
SE/BTL,
VDD = 3.3 V, VI = VDD
1
A
|IIL|
SHUTDOWN, VDD = 3.3 V, VI = 0 V
1
A
|IIL|
SE/BTL,
VDD = 3.3 V, VI = 0 V
1
A
operating characteristics, VDD = 3.3 V, TA = 25°C, RL = 8
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD = 0.2%,
BTL mode,
See Figure 14
250
PO
Output power, see Note 1
THD = 0.1%,
See Figure 22
SE mode,
RL = 32 ,
37
mW
THD + N
Total harmonic distortion plus noise
PO = 250 mW,
f = 200 Hz to 4 kHz,
See Figure 12
0.55%
BOM
Maximum output power bandwidth
Gain = 2,
THD = 2%,
See Figure 12
20
kHz
B1
Unity-gain bandwidth
Open Loop,
See Figure 36
1.4
MHz
Supply ripple rejection ratio
f = 1 kHz,
See Figure 5
CB = 1 F,
BTL mode,
79
dB
Supply ripple rejection ratio
f = 1 kHz,
See Figure 3
CB = 1 F,
SE mode,
70
dB
Vn
Noise output voltage
Gain = 1,
CB = 0.1 F,
See Figure 42
17
V(rms)
NOTE 1: Output power is measured at the output terminals of the device at f = 1 kHz.
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