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부품번호 | TS271C 기능 |
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기능 | CMOS PROGRAMMABLE LOW POWER SINGLE OPERATIONAL AMPLIFIER | ||
제조업체 | STMicroelectronics | ||
로고 | |||
전체 15 페이지수
TS271C,I,M
PROGRAMMABLE CMOS
SINGLE OPERATIONAL AMPLIFIERS
. OFFSET NULL CAPABILITY (by external
compensation)
. DYNAMIC CHARACTERISTICS
ADJUSTABLE BY ISET
. CONSUMPTION CURRENT AND DYNAMIC
PARAMETERS ARE STABLE REGARDING
THE VOLTAGE POWER SUPPLY
VARIATIONS
. OUTPUT VOLTAGE CAN SWING
GROUND
. VERY LARGE ISET RANGE
. STABLE AND LOW OFFSET VOLTAGE
. THREE INPUT OFFSET VOLTAGE
TO
SELECTIONS
N
DIP8
(Plastic Package)
D
SO8
(Plastic Micropackage)
DESCRIPTION
The TS271 is a low cost, low power single opera-
tional amplifier designed to operate with single or
dual supplies. This operational amplifier uses the
SGS-THOMSON silicon gate CMOS process giv-
ing it an excellent consumption-speed ratio. This
amplifier is ideally suited for low consumption
applications.
The power supply is externally programmable with
a resistor connectedbetween pins 8 and 4. It allows
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
input currents drift with temperature (see figure 3).
ORDER CODES
Part Number
Temperature
Range
TS271C/AC/BC
TS271I/AI/BI
TS271M/AM/BM
0oC, +70oC
-40oC, +125oC
-55oC, +125oC
Example : TS271ACN
PIN CONNECTIONS (top view)
Package
ND
qq
qq
qq
1
2-
3+
4
8
7
6
5
1 - Offset Null 1
2 - Inverting Input
3 - Non-inverting Input
4 - V CC -
5 - Offset Null 2
6 - Output
7-V +
CC
8 -I
SET
October 1997
1/15
TS271C,I,M
OFFSET VOLTAGE NULL CIRCUIT
RESISTOR BIASING
1
8
5
25kΩ
VCC
R set
OFFSET COMPENSATION GUARANTEED FOR
TS271BCX (ISET > 25µA),TS271ACX (ISET> 90µA)
VCC VCC
VO VO
R set
R set
VCC VCC
RSET CONNECTED TO
GROUND
RVCSCET- (CROSENTNVEACLTUEED:
TO
SEE
Fig.1)
Figure 1 : RSET Connected to VCC-.
R
set
10M Ω
V = +3V
CC
V = +5V
CC
V = +10V
CC
V = +16V
CC
1M Ω
100k Ω
10k Ω
0. 1µA
1 µA
1 0µA 100µA
I set
4/15
4페이지 TS271C,I,M
TYPICAL CHARACTERISTICS FOR ISET = 1.5µA (continued)
Figure 6 : Open Loop Frequency Response
and Phase Shift
Figure 7 : Gain Bandwidth Product versus
Supply voltage
50
40
GAIN
0
30
PHASE
45
20 Tamb = 25°C
10 VCC+ = 10V
RL = 1MΩ
0 CL = 100pF
AVCL = 100
-10
10
2
103
Phase
Margin
90
135
Gain
Bandw idth
Produc t
10 4 105
180
10 6
FREQUENCY, f (Hz)
120
Tamb = 25°C
100
R L = 1MΩ
CL = 100pF
AV = 1
80
60
40
04
8 12 16
SUPPLY VOLTAGE, VCC (V)
Figure 8 : Phase Margin versus Supply Voltage
10
8
6
4 Tamb = 25°C
R L = 1MΩ
2 C L = 100pF
AV = 1
0 4 8 12 16
SUPPLY VOLTAGE, VCC (V)
Figure 9 : Phase Margin versus Capacitive
Load
40
Tamb = 25°C
30
R L= 1M Ω
AV = 1
VCC = 10V
20
10
0 20 40 60 80
100
CAPACITANCE, C L (pF)
Figure 10 : Slew Rates versus Supply Voltage
0.07
0.06
0.05
T amb = 25°C
R L = 1MΩ
C L = 100pF
SR
0.04 SR
0.03
0.02
0.01 4
6 8 10 12 14 16
SUPPLY VOLTAGE, VCC (V)
7/15
7페이지 | |||
구 성 | 총 15 페이지수 | ||
다운로드 | [ TS271C.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 |
TS271 | CMOS PROGRAMMABLE LOW POWER SINGLE OPERATIONAL AMPLIFIER | STMicroelectronics |
TS271 | CMOS Programmable Low Power Single Operational Amplifier | STMicroelectronics |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |