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부품번호 | TS271IAI 기능 |
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기능 | CMOS PROGRAMMABLE LOW POWER SINGLE OPERATIONAL AMPLIFIER | ||
제조업체 | STMicroelectronics | ||
로고 | |||
TS271C,I,M
CMOS PROGRAMMABLE
LOW POWER SINGLE OPERATIONAL AMPLIFIER
s OFFSET NULL CAPABILITY (by external
compensation)
s DYNAMIC CHARACTERISTICS
ADJUSTABLE ISET
s CONSUMPTION CURRENT AND DYNAMIC
PARAMETERS ARE STABLE REGARDING
THE VOLTAGE POWER SUPPLY
VARIATIONS
s OUTPUT VOLTAGE CAN SWING TO
GROUND
s VERY LARGE ISET RANGE
s STABLE AND LOW OFFSET VOLTAGE
s THREE INPUT OFFSET VOLTAGE
SELECTIONS
DESCRIPTION
The TS271 is a low cost, low power single oper-
tional amplifier designed to operate with single or
dual supplies. This operational amplifier uses the
ST silicon gate CMOS process giving it an excel-
lent consumption-speed ratio. This amplifier is ide-
ally suited for low consumption applications.
The power supply is externally programmable with
a resistor connected between pins 8 and 4. It al-
lows to choose the best consumption-speed ratio
and supply current can be minimized according to
the required speed. This device is specified for the
following ISET current values : 1.5µA, 25µA,
130µA.
This CMOS amplifier offers very high input imped-
ance and extremely low input currents. The major
advantage versus JFET devices is the very low in-
put currents drift with temperature (see figure 3).
ORDER CODE
Part Number Temperature Range
TS271C/AC/BC
0°C, +70°C
TS271I/AI/BI
-40°C, +125°C
TS271M/AM/BM
-55°C, +125°C
Example : TS271ACN
Package
ND
••
••
••
N = Dual in Line Package (DIP)
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
N
DIP8
(Plastic Package)
D
SO8
(Plastic Micropackage)
PIN CONNECTIONS (top view)
1
2-
3+
4
8
7
6
5
1 - Offset Null 1
2 - Inverting Input 1
3 - Non-inverting Input 1
4
-
V
-
CC
5 - Offset Null 2
6 - Output
7 - VCC+
8 - I Set
November 2001
1/15
TS271C,I,M
OFFSET VOLTAGE NULL CIRCUIT
RESISTOR BIASING
-
1
+8
5
25kΩ
R set
VCC-
OFFSET COMPENSATION GUARANTEED FOR
TS271BCX (ISET > 25µA), TS271ACX (ISET > 90µA)
VCC+
VCC+
-
VO
+
R set
-
VO
+
R set
VCC-
Rset CONNECTED TO GROUND
VCC-
Rset CONNECTED TO VCC- (Rset VALUE : SEE Fig. 1)
Figure 1 : RSET Connected to VCC-
Rset
VCC = +3V
VCC = +5V
10MΩ
1MΩ
100kΩ
10kΩ
0.1µA
1µA
10µA
VCC = +16V
VCC = +10V
100µA
Iset
4/15
4페이지 TS271C,I,M
Figure 6 : Open Loop Frequency Response and
Phase Shift
Figure 9 : Phase Margin versus Capacitive Load
50
40 G AIN
30
PHASE
20 Tam b = 25°C
10
V C C+ = 1 0 V
R L = 1MΩ
0 C L = 1 0 0 p F Gain
A VCL = 100
Bandwidth
Product
-10
Phase
Margin
2
10
3
10
4
10
56
10 10
FREQ UENCY, f (Hz)
0
45
90
135
180
Figure 7 : Gain Bandwidth Product versus Supply
Voltage
40
Ta m b = 2 5 °C
RL = 1M Ω
30 AV = 1
VCC = 10V
20
10
0 20 40 60 80 100
C APAC ITAN C E, C L (pF)
Figure 10 : Slew Rate versus Supply Voltage
120
100
80
Ta m b = 2 5 °C
RL = 1MΩ
CL = 100pF
AV = 1
60
40
0 4 8 12 16
SUPPLY VO LTAG E, VCC (V)
Figure 8 : Phase Margin versus Supply Voltage
0.07
0.06
0.05
0.04
0.03
0.02
0.01
4
SR
SR
Ta m b = 2 5 °C
RL = 1MΩ
CL = 100pF
6 8 10 12 14
S U P P L Y V O L T A G E , VC C (V )
16
10
8
6
4 Ta m b = 2 5 °C
RL = 1MΩ
2 CL = 100pF
AV = 1
0 4 8 12 16
SUPPLY VO LTAG E, V CC (V)
7/15
7페이지 | |||
구 성 | 총 15 페이지수 | ||
다운로드 | [ TS271IAI.PDF 데이터시트 ] |
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구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
TS271IAI | CMOS PROGRAMMABLE LOW POWER SINGLE OPERATIONAL AMPLIFIER | STMicroelectronics |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |