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OPA726 데이터시트 PDF




Burr-Brown Corporation에서 제조한 전자 부품 OPA726은 전자 산업 및 응용 분야에서
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부품번호 OPA726 기능
기능 (OPA725 - OPA726) 12V CMOS Operational Amplifier
제조업체 Burr-Brown Corporation
로고 Burr-Brown Corporation 로고


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OPA726 데이터시트, 핀배열, 회로
OPA725, OPA2725
OPA726, OPA2726
SBOS278B − SEPTEMBER 2003 − REVISED JANUARY 2004
Very Low Noise, High-Speed, 12V CMOS
Operational Amplifier
FEATURES
D BANDWIDTH: 20MHz
D SLEW RATE: 30V/µs
D FAST 16-BIT SETTLING TIME
D LOW NOISE: 6nV/Hz (typ) at 100kHz
D EXCELLENT CMRR, PSRR, and AOL
D RAIL-TO-RAIL OUTPUT
D CM RANGE INCLUDES GND
D THD+N: 0.0003% (typ) at 1kHz
D QUIESCENT CURRENT: 5.5mA/ch (max)
D SUPPLY VOLTAGE: 4V to 12V
D SHUTDOWN MODE (OPAx726): 6µA/ch
APPLICATIONS
D OPTICAL NETWORKING
D TRANSIMPEDANCE AMPLIFIERS
D INTEGRATORS
D ACTIVE FILTERS
D A/D CONVERTER BUFFERS
D I/V CONVERTER FOR DACs
D PORTABLE AUDIO
D PROCESS CONTROL
D TEST EQUIPMENT
OPA725 RELATED PRODUCTS
FEATURES
10MHz, 16V, 16V/µs, 8.5nV/Hz at 1kHz
8MHz, 36V, FET Input, 20V/µs, 8.5nV/Hz at 1kHz
100MHz, 5.5V, Precision Transimpedance Amplifier
500MHz, ±5V, FET Input, 290V/µs, 7nV/Hz at 100kHz
7MHz, 12V, RRIO, 10V/µs, 30nV/Hz at 10kHz
16-Bit, 250kSPS, 4-Channel, Parallel Output ADC
PRODUCT
TLC080
OPA132
OPA380
OPA656
OPA743
ADS8342
DESCRIPTION
The OPA725 and OPA726 series op amps use a
state-of-the-art 12V analog CMOS process, and combine
outstanding ac performance with low bias current and
excellent CMRR, PSRR, and AOL. The 20MHz
Gain-Bandwidth (GBW) Product is achieved by using a
proprietary and patent-pending output stage design.
These characteristics allow excellent 16-bit settling times
for driving 16-bit Analog-to-Digital converters (ADCs).
Excellent ac characteristics, such as 20MHz GBW, 30V/µs
slew rate and 0.0003% THD+N make the OPA725 and
OPA726 well-suited for communication, high-end audio,
and active filter applications. With a bias current of less
than 200pA, they are well-suited for use as
transimpedance (I/V-conversion) amplifiers for monitoring
optical power in ONET applications.
The OPA725 and OPA726 op amps can be used in
single-supply applications from 4V up to 12V, or
dual-supply from ±2V to ±6V. The output swings to within
150mV of the rails, maximizing dynamic range. The
shutdown versions (OPAx726) reduce the quiescent
current to less than 6µA and feature a reference pin for
easy shutdown operation with standard CMOS logic in
dual-supply applications.
The OPA725 (single) is available in SOT23-5 and SO-8
packages, and the OPA2725 (dual) is available in MSOP-8
and SO-8 packages. The OPA726 (single with shutdown)
is available in MSOP-8 and SO-8. The OPA2726 (dual with
shutdown) is available in MSOP-10. All versions are
specified for operation from −40°C to +125°C.
+12V
+5V +5V
75
OPA725
λ
O PA726
VOUT
VIN
±2.5V
330pF
AIN
ADS8342
16−Bit ADC
Enable
5V
Common
VB 5V
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright 2003−2004, Texas Instruments Incorporated
www.ti.com




OPA726 pdf, 반도체, 판매, 대치품
OPA725, OPA2725
OPA726, OPA2726
SBOS278B − SEPTEMBER 2003 − REVISED JANUARY 2004
www.ti.com
ELECTRICAL CHARACTERISTICS: VS = +4V to +12V or VS = ±2V to ±6V
Boldface limits apply over the specified temperature range, TA = −40°C to +125°C.
At TA = +25°C, RL = 10kconnected to VS/2, and VOUT = VS/2, unless otherwise noted.
OPA725, OPA726, OPA2725, OPA2726
PARAMETER
CONDITIONS
MIN TYP MAX
OFFSET VOLTAGE
Input Offset Voltage
OPA725, OPA726
OPA2725, OPA2726
Drift
vs Power Supply
Over Temperature
Channel Separation, DC
VOS
dVOS/dT
PSRR
VS = ±6V, VCM = 0V
VS = ±6V, VCM = 0V
VS = ±2V to ±6V, VCM = V−
VS = ±2V to ±6V, VCM = V−
1.2 3
1.5 5
4
30 100
150
1
INPUT BIAS CURRENT
Input Bias Current
Over Temperature
Input Offset Current
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz
Input Voltage Noise Density, f = 10kHz
Input Voltage Noise Density, f = 100kHz
Input Current Noise Density, f = 1kHz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
Over Temperature
IB
IOS
en
en
en
in
VCM
CMRR
Over Temperature
INPUT IMPEDANCE
Differential
Common-Mode
VS = ±6V, VCM = 0V
VS = ±6V, VCM = 0V
VS = ±6V, VCM = 0V
VS = ±6V, VCM = 0V
(V−) VCM (V+) − 2V
(V−) VCM (V+) − 2V
(V−) VCM (V+) − 3V
(V−) VCM (V+) − 3V
30 200
See Typical Characteristics
10 50
10
10
6
2.5
(V−) (V+) − 2
88 94
84
94 100
84
1011 5
1011 4
OPEN-LOOP GAIN
Open-Loop Voltage Gain
OPA725, OPA726
Over Temperature
OPA2725, OPA2726
Over Temperature
OPA725, OPA726
Over Temperature
OPA2725, OPA2726
Over Temperature
FREQUENCY RESPONSE
Gain-Bandwidth Product
Slew Rate
Settling Time, 0.1%
0.01%
Overload Recovery Time
Total Harmonic Distortion + Noise
AOL
GBW
SR
tS
THD+N
RL = 100k, 0.15V < VO < (V+) − 0.15V
RL = 100k, 0.15V < VO < (V+) − 0.15V
RL = 100k, 0.175V < VO < (V+) − 0.175V
RL = 100k, 0.175V < VO < (V+) − 0.175V
RL = 1k, 0.25V < VO < (V+) − 0.25V
RL = 1k, 0.25V < VO < (V+) − 0.25V
RL = 2k, 0.25V < VO < (V+) − 0.25V
RL = 2k, 0.25V < VO < (V+) − 0.25V
CL = 20pF
G = +1
VS = ±6V, 5V Step, G = +1
VS = ±6V, 5V Step, G = +1
VIN Gain > VS
VS = ±6V, VOUT = 2VRMS, RL = 600,
G = +1, f = 1kHz
110
100
110
100
106
96
106
96
120
120
116
116
20
30
350
450
50
0.0003
UNIT
mV
mV
µV/°C
µV/V
mV/V
µV/V
pA
pA
µVPP
nV/Hz
nV/Hz
fA/Hz
V
dB
dB
dB
dB
Ω pF
Ω pF
dB
dB
dB
dB
dB
dB
dB
dB
MHz
V/µs
ns
ns
ns
%
4

4페이지










OPA726 전자부품, 판매, 대치품
www.ti.com
OPA725, OPA2725
OPA726, OPA2726
SBOS278B − SEPTEMBER 2003 − REVISED JANUARY 2004
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, VS = ±6V, RL = 10kconnected to VS/2, and VOUT = VS/2, unless otherwise noted.
100k
10k
1k
100
10
10
100
1k
10k
100k
INPUT BIAS CURRENT vs COMMON−MODE VOLTAGE
+125_C
+25_C
+85_C
IB < ±10pA
+25_ C
+85_ C
+125_ C
Common−Mode Voltage (V)
OFFSET CURRENT vs TEMPERATURE
10k
1k
100
10
1
0.1
0.01
50 25
0
25 50 75 100 125 150
Temperature (_ C)
OPEN−LOOP GAIN vs TEMPERATURE
140
130
RL = 100k
120
110
100 RL = 1k
90
80
50 25
0
25 50 75 100 125 150
Temperature (_ C)
COMMON−MODE REJECTION RATIO vs TEMPERATURE
110
100
90
80
70
(V) VCM (V+) 2V
60
50 25 0 25
50
75 100 125 150
Temperature (_ C)
POWER−SUPPLY REJECTION RATIO vs TEMPERATURE
120
100
80
60
50 25
0
25 50 75 100 125 150
Temperature (_C)
QUIESCENT CURRENT vs TEMPERATURE
5
4
3
2
1
0
50 25
0
25 50 75 100 125 150
Temperature (_C)
7

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부품번호상세설명 및 기능제조사
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OPA725 and OPA726 Series: Very Low-Noise High-Speed 12V CMOS Op Amp (Rev. B)

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