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參數(shù)資料
| 型號(hào)： | OPA2340PAG4 |
| 英文描述： | SINGLE-SUPPLY, RAIL-TO-RAIL OPERATIONAL AMPLIFIERS MicroAmplifier TM Series |
| 中文描述： | 單電源，軌至軌運(yùn)算放大器MicroAmplifier TM系列 |
| 文件頁(yè)數(shù)： | 8/20頁(yè) |
| 文件大?。?/td> | 724K |
| 代理商： | OPA2340PAG4 |
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OPA340/2340/4340
APPLICATIONS INFORMATION
OPA340 series op amps are fabricated on a state-of-the-art
0.6 micron CMOS process. They are unity-gain stable and
suitable for a wide range of general purpose applications.
Rail-to-rail input/output make them ideal for driving sam-
pling A/D converters. In addition, excellent ac performance
makes them well-suited for audio applications. The class AB
output stage is capable of driving 600
loads connected to
any point between V+ and ground.
Rail-to-rail input and output swing significantly increases
dynamic range, especially in low supply applications.
Figure 1 shows the input and output waveforms for the
OPA340 in unity-gain configuration. Operation is from a
single +5V supply with a 10k
load connected to V
S
/2.
The input is a 5Vp-p sinusoid. Output voltage is approxi-
mately 4.98Vp-p.
Power supply pins should be bypassed with 0.01
μ
F ceramic
capacitors.
OPERATING VOLTAGE
OPA340 series op amps are fully specified from +2.7V to
+5V. However, supply voltage may range from +2.5V to
+5.5V. Parameters are guaranteed over the specified supply
range—a unique feature of the OPA340 series. In addition,
many specifications apply from –40
°
C to +85
°
C. Most
behavior remains virtually unchanged throughout the full
operating voltage range. Parameters which vary signifi-
cantly with operating voltages or temperature are shown in
the typical performance curves.
RAIL-TO-RAIL INPUT
The input common-mode voltage range of the OPA340
series extends 500mV beyond the supply rails. This is
achieved with a complementary input stage—an N-channel
input differential pair in parallel with a P-channel differen-
tial pair (see Figure 2). The N-channel pair is active for input
voltages close to the positive rail, typically
(V+) –1.3V to 500mV above the positive supply, while the
P-channel pair is on for inputs from 500mV below the
negative supply to approximately (V+) –1.3V. There is a
small transition region, typically (V+) –1.5V to (V+) –1.1V,
in which both pairs are on. This 400mV transition region
can vary
±
300mV with process variation. Thus, the transi-
tion region (both stages on) can range from (V+) –1.8V to
(V+) –1.4V on the low end, up to (V+) –1.2V to (V+) –0.8V
on the high end.
FIGURE 2. Simplified Schematic.
V
S
= +5, G = +1, R
L
= 10k
V
IN
2
FIGURE 1. Rail-to-Rail Input and Output.
V
BIAS1
V
BIAS2
V
IN
+
V
IN
–
Class AB
Control
Circuitry
V
O
V–
(Ground)
V+
Reference
Current
5
5
0
V
OUT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OPA2340TDF1 | 制造商:Texas Instruments 功能描述:25DEGREE C TESTED DIE WITH 100 制造商:Texas Instruments 功能描述:IC OPAMP GP RRO DIE 制造商:Texas Instruments 功能描述:25degree C Tested Die with 100pct probe |
| OPA2340TDF2 | 制造商:Texas Instruments 功能描述:25DEGREE C TESTED DIE WITH 100 制造商:Texas Instruments 功能描述:IC OPAMP GP RRO DIE 制造商:Texas Instruments 功能描述:25degree C Tested Die with 100pct probe |
| OPA2340UA | 功能描述:運(yùn)算放大器 - 運(yùn)放 Single-Supply Rail-to-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| OPA2340UA | 制造商:BURR-BROWN 功能描述:OP AMP DUAL CMOS RRI/O SMD 2340 制造商:Texas Instruments 功能描述:Operational Amplifier IC Number of Ampli 制造商:Texas Instruments 功能描述:IC, OP-AMP, 5.5MHZ, 6V/ us, SOIC-8 |
| OPA2340UA/2K5 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Single-Supply Rail-to-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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