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參數(shù)資料
| 型號(hào)： | OPA4234U |
| 英文描述： | Low Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS |
| 中文描述： | 低功耗，精密單電源運(yùn)算放大器 |
| 文件頁數(shù)： | 9/9頁 |
| 文件大小： | 264K |
| 代理商： | OPA4234U |
9
OPA234, 2234, 4234
QUIESCENT CURRENT AND SHORT-CIRCUIT CURRENT
vs TEMPERATURE
Temperature (°C)
Q
525
450
375
300
225
150
75
0
S
70
60
50
40
30
20
10
0
–75
–50
–25
0
25
50
75
100
125
±I
SC
±I
Q
V
S
= +2.7V
V
S
= +5V
V
S
= +2.7V or +5V
V
S
= ±15V
APPLICATIONS INFORMATION
OPA234 series op amps are unity-gain stable and suitable
for a wide range of general-purpose applications. Power
supply pins should be bypassed with 10nF ceramic capaci-
tors.
OPERATING VOLTAGE
OPA234 series op amps operate from single (+2.7V to
+36V) or dual (
±
1.35V to
±
18V) supplies with excellent
performance. Specifications are production tested with
+2.7V, +5V, and
±
15V supplies. Most behavior remains
unchanged throughout the full operating voltage range.
Parameters which vary significantly with operating volt-
age are shown in typical performance curves.
OFFSET VOLTAGE TRIM
Offset voltage of OPA234 series amplifiers is laser trimmed
and usually requires no user adjustment. The OPA234
(single op amp version) provides offset voltage trim con-
nections on pins 1 and 5. Offset voltage can be adjusted by
connecting a potentiometer as shown in Figure 1. This
adjustment should be used only to null the offset of the op
amp, not to adjust system offset or offset produced by the
signal source. Nulling offset could degrade the offset drift
behavior of the op amp. While it is not possible to predict
the exact change in drift, the effect is usually small.
FIGURE 1. OPA234 Offset Voltage Trim Circuit.
V+
V–
100k
OPA234 single op amp only.
Use offset adjust pins only to null
offset voltage of op amp—see text.
Trim Range: ±4mV typ
(V–) = 0V for single supply operation.
OPA234
6
7
5
4
3
2
1
10nF
10nF
TYPICAL PERFORMANCE CURVES
(Cont.)
At T
A
= +25
°
C and R
L
= 10k
unless otherwise noted.
MAXIMUM OUTPUT VOLTAGE
vs FREQUENCY
100k
Frequency (Hz)
1k
10k
30
25
20
15
10
5
0
O
V
S
= ±2.7V
V
S
= +5V
Maximum output voltage
without slew-rate induced
distortion
V
S
= ±15V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OPA4234U | 制造商:Texas Instruments 功能描述:IC SM OP-AMP QUAD PRECISION |
| OPA4234U/2K5 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Low Power Prec Sngl-Sply Oper Amp 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 |
| OPA4234U/2K5E4 | 制造商:Texas Instruments 功能描述:OP AMP QUAD GP 18V/36V 14SOIC - Tape and Reel |
| OPA4234U/2K5G4 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Low Power Prec Sngl-Sply Oper Amp 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 |
| OPA4234U2K5 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Power, Precision SINGLE-SUPPLY OPERATIONAL AMPLIFIERS |
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