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參數(shù)資料
| 型號： | MAX4270 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | XTAL PLAS SMT 12X4 4PAD |
| 中文描述： | 超低失真、單電源、300MHz運算放大器，帶有使能端 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 361K |
| 代理商： | MAX4270 |
FUNCTION
M
Ultra-Low-Distortion, Single-Supply,
300MHz Op Amps with Enable
10
______________________________________________________________________________________
14 SO
1
—
EN
—
4, 5
ENA, ENB
8 μMAX/SO
2
—
IN-
—
2, 9
INA-, INB-
6
—
OUT
4, 5
6, 7
V
EE
—
3, 10
INA+, INB+
3
—
IN+
—
11, 12
N.C.
7, 8
13, 14
V
CC
—
1, 8
OUTA, OUTB
Pin Description
16 QSOP
—
4, 5
—
2, 11
—
6, 7
3, 12
—
8, 9, 13, 14
15, 16
1, 10
No Connection. Not internally connected.
Positive Power Supply. Connect to a +4.5V to +8.0V supply and
bypass with a 0.1μF capacitor for single-supply operation.
Amplifier Output
Amplifier Output
Negative Power Supply
Noninverting Input
Noninverting Input
Inverting Input
Inverting Input
Enable Input. Active high. Connect to V
CC
for normal operation.
Enable Input. Active high. Connect to V
CC
for normal operation.
MAX4268
MAX4269
MAX4270
NAME
MAX4265
MAX4266
MAX4267
PIN
FUNCTION
_______________Detailed Description
The MAX4265–MAX4270 single-supply operational
amplifiers feature ultra-low distortion and wide band-
width. Their low distortion and low noise make them
ideal for driving high-speed analog-to-digital converters
(ADCs) up to 16 bits in telecommunications applica-
tions and high-performance signal processing.
These devices can drive loads as low as 100
and
deliver 45mA while maintaining DC accuracy and AC
performance. The input common-mode voltage ranges
from (V
EE
+ 1.6V) to (V
CC
- 1.6V), while the output
swings to within 1.1V of the rails.
Low Distortion
The MAX4265–MAX4270 use proprietary bipolar tech-
nology to achieve minimum distortion in single-supply
systems—a feature typically available only in dual-sup-
ply op amps.
Several factors can affect the noise and distortion that a
device contributes to the input signal. The following
guidelines explain how various design choices impact
the total harmonic distortion (THD).
Choose the proper feedback-resistor and gain-resis-
tor values for the application. In general, the smaller
the closed-loop gain, the smaller the THD generat-
ed—especially when driving heavy resistive loads.
Large-value feedback resistors can significantly
improve distortion. The MAX4265–MAX4270’s THD
normally increases at approximately 20dB per
decade at frequencies above 1MHz; this is a lower
rate than that of comparable dual-supply op amps.
Operating the device near or above the full-power
bandwidth significantly degrades distortion (see the
Total Harmonic Distortion vs. Frequency graph in the
Typical Operating Characteristics
).
The decompensated devices (MAX4266/MAX4267/
MAX4269/MAX4270) deliver the best distortion per-
formance since they have a slightly higher slew rate
and provide a higher amount of loop gain for a given
closed-loop gain setting.
相關PDF資料 |
PDF描述 |
|---|---|
| MAX4265 | Ultra-Low-Distortion, Single-Supply, 300MHz Op Amps with Enable |
| MAX4266 | Ultra-Low-Distortion, Single-Supply, 300MHz Op Amps with Enable |
| MAX4267 | Ultra-Low-Distortion, Single-Supply, 300MHz Op Amps with Enable |
| MAX4268 | Ultra-Low-Distortion, Single-Supply, 300MHz Op Amps with Enable |
| MAX4268ESD | Ultra-Low-Distortion, Single-Supply, 300MHz Op Amps with Enable |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4270EEE | 功能描述:高速運算放大器 Single-Supply 200MHz w/Enable RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4270EEE-T | 功能描述:高速運算放大器 Single-Supply 200MHz w/Enable RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4270ESD | 功能描述:高速運算放大器 Single-Supply 200MHz w/Enable RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4270ESD-T | 功能描述:高速運算放大器 Single-Supply 200MHz w/Enable RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4271ESA | 功能描述:熱插拔功率分布 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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