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OPA2130UA 데이터시트 PDF




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부품번호 OPA2130UA 기능
기능 Low Power / Precision FET-INPUT OPERATIONAL AMPLIFIERS
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OPA2130UA 데이터시트, 핀배열, 회로
®
OPA130
OPA2130
OPA4130
OPA130
OPA2130
OPA4130
OPA130
OPA2130
OPA4130
Low Power, Precision
FET-INPUT OPERATIONAL AMPLIFIERS
FEATURES
q LOW QUIESCENT CURRENT: 530µA/amp
q LOW OFFSET VOLTAGE: 1mV max
q HIGH OPEN-LOOP GAIN: 120dB min
q HIGH CMRR: 90dB min
q FET INPUT: I = 20pA max
B
q EXCELLENT BANDWIDTH: 1MHz
q WIDE SUPPLY RANGE: ±2.25 to ±18V
q SINGLE, DUAL, AND QUAD VERSIONS
DESCRIPTION
The OPA130 series of FET-input op amps combine
precision dc performance with low quiescent current.
Single, dual, and quad versions have identical specifi-
cations for maximum design flexibility. They are ideal
for general-purpose, portable, and battery operated
applications, especially with high source impedance.
OPA130 op amps are easy to use and free from phase
inversion and overload problems often found in
common FET-input op amps. Input cascode circuitry
provides excellent common-mode rejection and
maintains low input bias current over its wide input
voltage range. OPA130 series op amps are stable in
unity gain and provide excellent dynamic behavior
over a wide range of load conditions, including high
load capacitance. Dual and quad designs feature
completely independent circuitry for lowest crosstalk
and freedom from interaction, even when overdriven
or overloaded.
Single and dual versions are available in 8-pin DIP
and SO-8 surface-mount packages. Quad is
available in 14-pin DIP and SO-14 surface-mount
packages. All are specified for –40°C to +85°C
operation.
OPA130
Offset Trim 1
–In 2
+In 3
V– 4
8 NC
7 V+
6 Output
5 Offset Trim
8-Pin DIP, SO-8
OPA2130
Out A 1
–In A 2
+In A 3
V– 4
A
B
8 V+
7 Out B
6 –In B
5 +In B
8-Pin DIP, SO-8
Out A 1
–In A 2
+In A 3
V+ 4
+In B 5
–In B 6
Out B 7
OPA4130
AD
BC
14-Pin DIP
SO-14
14 Out D
13 –In D
12 +In D
11 V–
10 +In C
9 –In C
8 Out C
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1995 Burr-Brown Corporation
PDS-1298B
Printed in U.S.A. May, 1998




OPA2130UA pdf, 반도체, 판매, 대치품
TYPICAL PERFORMANCE CURVES
At TA = +25°C, VS = ±15V, and RL = 10k, unless otherwise noted.
120
100
80
60
40
20
0
–20
1
OPEN-LOOP GAIN/PHASE vs FREQUENCY
0
CL = 100pF
φ
–45
–90
–135
G
–180
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
POWER SUPPLY AND COMMON-MODE REJECTION
vs FREQUENCY
120
110
–PSR
100
90
80
70 CMR
60 +PSR
50
40
30
20
10
0
10 100 1k 10k 100k 1M
Frequency (Hz)
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
1k 1k
100
10
1
1
Voltage Noise
100
10
Current Noise
1
10 100 1k 10k 100k 1M
Frequency (Hz)
CHANNEL SEPARATION vs FREQUENCY
160
140
120
Dual and quad devices.
G = 1, all channels.
100 Quad measured channel
A to D or B to C—other
combinations yield improved
rejection.
80
10 100 1k
RL = 10k
10k
Frequency (Hz)
100k
INPUT BIAS AND INPUT OFFSET CURRENT
vs TEMPERATURE
10k
1k
VCM = 0V
100
10
IB
IOS
1
0.1
0.01
–75 –50 –25
0
25 50 75
Ambient Temperature (°C)
100 125
INPUT BIAS CURRENT
vs INPUT COMMON-MODE VOLTAGE
10
5
0
–15
–10 –5
0
5 10
Common-Mode Voltage (V)
15
®
OPA130, 2130, 4130
4

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OPA2130UA 전자부품, 판매, 대치품
APPLICATIONS INFORMATION
OPA130 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 or larger.
OPA130 op amps are free from unexpected output phase-
reversal common with FET op amps. Many FET-input op
amps exhibit phase-reversal of the output when the input
common-mode voltage range is exceeded. This can occur in
voltage-follower circuits, causing serious problems in
control loop applications. OPA130 series op amps are free
from this undesirable behavior. All circuitry is completely
independent in dual and quad versions, assuring normal
behavior when one amplifier in a package is overdriven or
short-circuited.
OPERATING VOLTAGE
OPA130 series op amps operate with power supplies from
±2.25V to ±18V with excellent performance. Although
specifications are production tested with ±15V supplies,
most behavior remains unchanged throughout the full
operating voltage range. Parameters which vary signifi-
cantly with operating voltage are shown in the typical
performance curves.
OFFSET VOLTAGE TRIM
Offset voltage of OPA130 series amplifiers is laser trimmed
and usually requires no user adjustment. The OPA130
(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 that is not produced by the
amplifier will change the offset voltage drift behavior of
the op amp.
V+
Trim Range: ±5mV typ
10nF
100k
7
21
5
3 OPA130 6
10nF 4
OPA130 single op amp only.
Use offset adjust pins only to null
offset voltage of op amp—see text.
V–
FIGURE 1. OPA130 Offset Voltage Trim Circuit.
INPUT BIAS CURRENT
The input bias current is approximately 5pA at room tem-
perature and increases with temperature as shown in the
typical performance curve “Input Bias Current vs Tempera-
ture.”
Input stage cascode circuitry assures that the input bias
current remains virtually unchanged throughout the full
input common-mode range of the OPA130. See the typical
performance curve “Input Bias Current vs Common-Mode
Voltage.”
®
7 OPA130, 2130, 4130

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OPA2130UA

Low Power / Precision FET-INPUT OPERATIONAL AMPLIFIERS

Burr-Brown
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