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參數資料
| 型號： | MAX3768 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | +3.0V至+5.5V、1.25Gbps/2.5Gbps限幅放大器 |
| 中文描述： | +3.0V至+5.5V、1.25Gbps/2.5Gbps限幅放大器 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 222K |
| 代理商： | MAX3768 |
General Description
The MAX4063 is a differential-input microphone preampli-
fier optimized for high-performance, portable applica-
tions. The device features two selectable inputs,
differential outputs, adjustable gain, an integrated low-
noise bias source, and a low-power shutdown mode.
Two input paths provide both differential and single-
ended microphone sensing. The high-noise rejection of
the differential input is ideally suited to an internal micro-
phone where system noise and long-run PC board traces
can degrade low-level signals. The single-ended input
provides a simple connection to an external microphone.
The differential and single-ended inputs have indepen-
dent, adjustable gains that are set with a single external
resistor. Differential outputs provide a full-scale signal of
up to 6VP-P from a single 3V supply, optimizing the
dynamic range of the amplified signal. A complete shut-
down mode reduces the supply current to only 0.3A
and disables the microphone bias for the ultimate in
power savings.
The MAX4063 operates from 2.4V to 5.5V and is specified
over the extended -40°C to +85°C operating temperature
range. The MAX4063 is available in both 16-pin TQFN
(4mm x 4mm x 0.8mm) and 14-pin TSSOP packages.
Applications
Features
o 2.4V to 5.5V Single-Supply Operation
o Differential Inputs and Outputs
o Adjustable Gain
o High 95dB PSRR
o High 79dB CMRR
o Low-Noise, Integrated Microphone Bias
o 750A Supply Current
o 0.3A Shutdown Current
o ±4kV ESD Protection (AUX_IN)
o THD+N: 0.05% at 1kHz
o Available in Space-Saving Packages
14-Pin TSSOP
16-Pin TQFN (4mm x 4mm x 0.8mm)
MAX4063
Differential Microphone Preamplifier with
Internal Bias and Complete Shutdown
________________________________________________________________
Maxim Integrated Products
1
IN-
IN+
BIAS
10
9
5
AUX_IN
12
SHDN
3
6
VBIAS
VCC
2.4V TO 5.5V
MAX4063
INT/AUX 2
OUT 8
OUT 4
ADJ
7
RG
GND
11
1
14
G1 G2
14
13
12
11
10
9
8
1
2
3
4
5
6
7
G1
N.C.
AUX_IN
GND
OUT
SHDN
INT/AUX
G2
MAX4063
IN-
IN+
OUT
ADJ
VCC
BIAS
TSSOP
+
Typical Operating Circuit
Ordering Information
19-2753; Rev 1; 6/11
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Notebook Audio Systems
Tablet PCs
PDA Audio Systems
Signal Conditioning
PART
TEMP RANGE
PIN-PACKAGE
MAX4063ETE+
-40°C to +85°C
16 TQFN-EP*
MAX4063EUD+
-40°C to +85°C
14 TSSOP
Pin Configurations
Pin Configurations continued at end of data sheet.
*EP = Exposed pad.
+
Denotes a lead(pB)-free/RoHS-compliant package.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX3768C/D | 功能描述:限幅放大器 RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| MAX3768CUB | 功能描述:限幅放大器 3-5.5V 1.25/2.5Gbps RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| MAX3768CUB+ | 功能描述:限幅放大器 3-5.5V 1.25/2.5Gbps RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| MAX3768CUB+T | 功能描述:限幅放大器 3-5.5V 1.25/2.5Gbps RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| MAX3768CUB-T | 功能描述:限幅放大器 3-5.5V 1.25/2.5Gbps RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
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