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參數資料
| 型號： | OPA4228UA2K5 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | High Precision, Low Noise OPERATIONAL AMPLIFIERS |
| 中文描述： | 高精度，低噪聲運算放大器 |
| 文件頁數： | 1/27頁 |
| 文件大小： | 847K |
| 代理商： | OPA4228UA2K5 |
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High Precision, Low Noise
OPERATIONAL AMPLIFIERS
FEATURES
G
LOW NOISE: 3nV/
√
Hz
G
WIDE BANDWIDTH:
OPA227: 8MHz, 2.3V/
μ
s
OPA228: 33MHz, 10V/
μ
s
G
SETTLING TIME: 5
μ
s
(significant improvement over OP-27)
G
HIGH CMRR: 138dB
G
HIGH OPEN-LOOP GAIN: 160dB
G
LOW INPUT BIAS CURRENT: 10nA max
G
LOW OFFSET VOLTAGE: 75
μ
V max
G
WIDE SUPPLY RANGE:
±
2.5V to
±
18V
G
OPA227 REPLACES OP-27, LT1007, MAX427
G
OPA228 REPLACES OP-37, LT1037, MAX437
G
SINGLE, DUAL, AND QUAD VERSIONS
APPLICATIONS
G
DATA ACQUISITION
G
TELECOM EQUIPMENT
G
GEOPHYSICAL ANALYSIS
G
VIBRATION ANALYSIS
G
SPECTRAL ANALYSIS
G
PROFESSIONAL AUDIO EQUIPMENT
G
ACTIVE FILTERS
G
POWER SUPPLY CONTROL
OPA4227
OPA227
OPA227
OPA2227
OPA4227
OPA2227
DESCRIPTION
The OPA227 and OPA228 series op amps combine low
noise and wide bandwidth with high precision to make them
the ideal choice for applications requiring both ac and preci-
sion dc performance.
The OPA227 is unity-gain stable and features high slew rate
(2.3V/
μ
s) and wide bandwidth (8MHz). The OPA228 is opti-
mized for closed-loop gains of 5 or greater, and offers higher
speed with a slew rate of 10V/
μ
s and a bandwidth of 33MHz.
The OPA227 and OPA228 series op amps are ideal for
professional audio equipment. In addition, low quiescent
current and low cost make them ideal for portable applica-
tions requiring high precision.
The OPA227 and OPA228 series op amps are pin-for-pin
replacements for the industry standard OP-27 and OP-37
with substantial improvements across the board. The dual
and quad versions are available for space savings and per-
channel cost reduction.
The OPA227, OPA228, OPA2227, and OPA2228 are
available in DIP-8 and SO-8 packages. The OPA4227 and
OPA4228 are available in DIP-14 and SO-14 packages
with standard pin configurations. Operation is specified
from –40
°
C to +85
°
C.
SPICE model available for OPA227 at www.ti.com
SBOS110A – MAY 1998 – REVISED JANUARY 2005
www.ti.com
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 1998-2005, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
OPA227
OPA2227
OPA4227
OPA228
OPA2228
OPA4228
1
2
3
4
8
7
6
5
Trim
V+
Output
NC
Trim
–
In
+In
V
–
OPA227, OPA228
DIP-8, SO-8
NC = Not Connected
1
2
3
4
8
7
6
5
V+
Out B
–
In B
+In B
Out A
–
In A
+In A
V
–
OPA2227, OPA2228
DIP-8, SO-8
A
B
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Out D
–
In D
+In D
V
–
+In C
–
In C
Out C
Out A
–
In A
+In A
V+
+In B
–
In B
Out B
OPA4227, OPA4228
DIP-14, SO-14
A
D
B
C
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相關代理商/技術參數 |
參數描述 |
|---|---|
| OPA4228UAE4 | 功能描述:運算放大器 - 運放 High Prec Low Noise Oper Amplifier RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| OPA4234 | 制造商:BB 制造商全稱:BB 功能描述:Low-Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS |
| OPA4234P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| OPA4234PA | 制造商:BB 制造商全稱:BB 功能描述:Low Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS |
| OPA4234U | 功能描述:運算放大器 - 運放 Low Power Prec Sngl-Sply Oper Amp RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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