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參數(shù)資料
| 型號(hào)： | 5962-8512702XC |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, CDIP28 |
| 封裝： | LEAD FREE, DIP-28 |
| 文件頁數(shù)： | 2/17頁 |
| 文件大?。?/td> | 1210K |
| 代理商： | 5962-8512702XC |
MAX4165–MAX4169
High-Output-Drive, Precision, Low-Power, Single-
Supply, Rail-to-Rail I/O Op Amps with Shutdown
10
______________________________________________________________________________________
Single-Supply Speaker Driver
The MAX4165/MAX4166 can be used as a single-sup-
ply speaker driver, as shown in the
Typical Operating
Circuit. Capacitor C1 is used for blocking DC (a 0.1F
ceramic capacitor can be used). When choosing resis-
tors R3 and R4, take into consideration the input bias
current as well as how much supply current can be tol-
erated. Choose resistors R1 and R2 according to the
amount of gain and current desired. Capacitor C3
ensures unity gain for DC. A 10F electrolytic capacitor
is suitable for most applications. The coupling capaci-
tor C2 sets a low-frequency pole and is fairly large in
value. For a 32
load, a 100F coupling capacitor
gives a low-frequency pole at 50Hz. The low-frequency
pole can be set according to the following equation:
= 1 / 2π (RLC2)
Bridge Amplifier
The circuit shown in Figure 3 uses a dual MAX4167/
MAX4168 to implement a 3V, 200mW amplifier suitable
for use in size-constrained applications. This configura-
tion eliminates the need for the large coupling capaci-
tor required by the single op-amp speaker driver when
single-supply operation is a must. Voltage gain is set to
+10V/V; however, it can be changed by adjusting the
900k
resistor value. DC voltage at the speaker is limit-
ed to 10mV. The 47
and 0.1F capacitors across the
speaker maintain a low impedance at the load as fre-
quency increases.
Rail-to-Rail Input Stage
Devices in the MAX4165–MAX4169 family of high-out-
put-current amplifiers have rail-to-rail input and output
stages designed for low-voltage, single-supply opera-
tion. The input stage consists of separate NPN and
PNP differential stages that combine to provide an
input common-mode range that extends 0.25V beyond
the supply rails. The PNP stage is active for input volt-
ages close to the negative rail, and the NPN stage is
active for input voltages near the positive rail. The
switchover transition region, which occurs near VCC / 2,
has been extended to minimize the slight degradation
in common-mode rejection ratio caused by mismatch of
the input pairs.
VCC = +3V
900k
VCC = +3V
47
4.7k
0.1
F
1
F
0.1
F
INPUT
0.25Vp-p
32
100k
1/2 MAX4167
1/2 MAX4168
1/2 MAX4167
1/2 MAX4168
Figure 3. Dual MAX4167/MAX4168 Bridge Amplifier for
200mW at 3V
R3
R3 = R1
R2
R1
R2
MAX4165
MAX4166
MAX4167
MAX4168
MAX4169
Figure 4. Reducing Offset Error Due to Bias Current
(Noninverting)
R3
R3 = R1
R2
R1
R2
MAX4165
MAX4166
MAX4167
MAX4168
MAX4169
Figure 5. Reducing Offset Error Due to Bias Current (Inverting)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 5962-8512703XX | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, CDIP28 |
| 5962-8512703YX | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, CQCC44 |
| 5962-8512704XA | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, CDIP28 |
| 5962-8512704XX | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, CDIP28 |
| 5962-8512704YX | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, CQCC44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 5962-8512703XA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 5962-8512704XA | 制造商:Intersil Corporation 功能描述:SMD VERSION HI1-574ATD - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 5962-8513001VSA | 制造商:Texas Instruments 功能描述:Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin CFPAK Tube 制造商:Texas Instruments 功能描述:SNV54HCT244W, OCTAL BUFFER/LINE DRIVER - Rail/Tube |
| 596285131013A | 制造商:INTERSIL 功能描述:28 PLCC |
| 5962-85131013A | 制造商:Intersil Corporation 功能描述:ANLG MUX SGL 16:1 28PLCC - Rail/Tube 制造商:Intersil Corporation 功能描述:ANLG MUX SGL 16:1 28PLCC - RAI |
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