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參數(shù)資料
| 型號(hào)： | L2750 |
| 廠(chǎng)商： | 意法半導(dǎo)體 |
| 英文描述： | Lowdrop Dual Power OP AMP(低壓差雙通道功率運(yùn)放) |
| 中文描述： | Lowdrop雙電源運(yùn)算放大器（低壓差雙通道功率運(yùn)放） |
| 文件頁(yè)數(shù)： | 3/10頁(yè) |
| 文件大?。?/td> | 233K |
| 代理商： | L2750 |
APPLICATION SUGGESTION
The high flexibility makes the L2750 suitable for a
wide range of applications.
Motor Controller
The device can be utilized as a motor controller.
Fig.1 represents a bidirectional DC motor control
suitablefor logic driving. In thesekinds of applica-
tion it is possible to take advantage of the high
current capability of the L2750 for driving several
types of low impedancemotors in a broad range
of applications.Moreover the low drop allows high
start up currents even at lowest supply voltage.
Audio Applications
Another typical utilization of the L2750 concerns
the audio field, as follows:
1) DRIVER FOR BOOSTER : The remarkably low
distortionand noise makes thedeviceproperto
be used as high quality driver for main amplifi-
ers (i.e. car radio boosters). An example is
shownby Fig. 5, where thegain is set to 24 dB
(see also the relevantcharacteristics).
2) CAR RADIO BOOSTER WITH DIFFERENTIAL
INPUT : Fig. 10 shows an example of car radio
booster, with a gain of 30 dB, that is specially
recommendedfor active loudspeakers. Among
its main featureis the differentialinput and sub-
sequent high noise suppression. The typical
output power delivered into a 4
load is 24W
(V
S
= 14.4V;d =10%), asshownby thecharac-
teristicsenclosed.
ELECTRICALCHARACTERISTICS
(continued)
Symbol
SVR
Parameter
Test Condition
Min.
75
Typ.
90
Max.
Unit
dB
Supply Voltage Rejection
R
s
= 0
f = 100Hz
f = 1KHz to 10KHz
C
T
Crosstalk
80
dB
Figure1
Figure 2
: LowDrop Voltage vs. Output Current
Figure 3:
High Drop Voltagevs. Output Current
Figure 4:
OpenLoop Gain vs. PhaseResponse
L2750
3/10
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