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OPA686 데이터시트 PDF




Burr-Brown에서 제조한 전자 부품 OPA686은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 OPA686 기능
기능 Wideband / Low Noise / Voltage Feedback OPERATIONAL AMPLIFIER
제조업체 Burr-Brown
로고 Burr-Brown 로고


OPA686 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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OPA686 데이터시트, 핀배열, 회로
® OPA686
OPA686
For most current data sheet and other product
information, visit www.burr-brown.com
OPA686
TM Wideband, Low Noise,
Voltage Feedback OPERATIONAL AMPLIFIER
FEATURES
q HIGH BANDWIDTH: 250MHz (G = +10)
q LOW INPUT VOLTAGE NOISE: 1.3nV/Hz
q VERY LOW DISTORTION: –90dBc (5MHz)
q HIGH SLEW RATE: 600V/µs
q HIGH DC ACCURACY
q LOW SUPPLY CURRENT: 12mA
q HIGH GAIN BANDWIDTH PRODUCT:
1600MHz
q STABLE FOR GAINS 7
APPLICATIONS
q HIGH DYNAMIC RANGE ADC PREAMP
q LOW NOISE, WIDEBAND,
TRANSIMPEDANCE AMPLIFIER
q WIDEBAND, HIGH GAIN AMPLIFIER
q LOW NOISE DIFFERENTIAL RECEIVER
q VDSL LINE RECEIVER
q ULTRASOUND CHANNEL AMPLIFIER
q IMPROVED REPLACEMENT FOR THE
CLC425
DESCRIPTION
The OPA686 combines very high gain bandwidth and large
signal performance with very low input voltage noise while
dissipating a low 12mA supply current. The classical differen-
tial input stage, along with two stages of forward gain and a
high power output stage, combine to make the OPA686 an
exceptionally low distortion amplifier with excellent DC accu-
racy and output drive. The voltage feedback architecture allows
all standard op amp applications to be implemented with very
high performance.
The combination of low input voltage and current noise, along
with a 1.6GHz gain bandwidth product, make the OPA686 an
ideal amplifier for wideband transimpedance stages. As a volt-
age gain stage, the OPA686 is optimized for a flat response at a
gain of +10 and is guaranteed stable down to a noise gain of +7.
A new external compensation technique can be used to give a
very flat frequency response below the minimum stable gain
for the OPA686, further improving its already exceptional
distortion performance. Using this compensation makes the
OPA686 one of the premier 12- to 14-bit analog-to-digital
converter input drivers. The supply current for the OPA686 is
precisely trimmed to 12.4mA at +25°C. This, along with
carefully defined supply current tempcos in the input and
output stages, combine to provide exceptional performance
over the full specified temperature range.
OPA686 RELATED PRODUCTS
SINGLES
OPA643
OPA687
DUALS
OPA2686
INPUT NOISE
VOLTAGE (nV/Hz)
2.3
1.3
0.95
GAIN BANDWIDTH
PRODUCT (MHz)
800
1600
3600
100pF
+5V
Supply decoupling
not shown.
0.1µF 50kOPA686
VO
λ IS
–5V 50k
10pF
Photodiode
0.2pF
–VB
High Gain, 20MHz Transimpedance Amplifier
100
95
90
85
80
75
70
65
60
0.1
20log (50k) = 94dB
1 10
Frequency (MHz)
100
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
©1997 Burr-Brown Corporation
PDS-11370D
OPPrinAted6in8U6.S.A. May, 2000
®




OPA686 pdf, 반도체, 판매, 대치품
TYPICAL PERFORMANCE CURVES: VS = ±5V
At TA = +25°C, G = +10, RF = 453, and RL = 100, unless otherwise noted.
NON-INVERTING SMALL-SIGNAL
FREQUENCY RESPONSE
6
3
RG = 50
VO = 0.2Vp-p
0
G = +7
–3 G = +10
–6
–9
G = +50
–12
–15 G = +20
–18
–21
See Figure 1
–24
0.5
10
Frequency (MHz)
100
500
INVERTING SMALL-SIGNAL FREQUENCY RESPONSE
6
3
RG = RS = 50
VO = 0.2Vp-p
0
G = –12
–3
–6
G = –50
G = –20
–9
–12
–15
–18
–21
See Figure 2
–24
0.5
10
Frequency (MHz)
100
500
NON-INVERTING LARGE-SIGNAL
FREQUENCY RESPONSE
26
23
RG = 50
G = +10V/V
VO = 0.2Vp-p
20
17
14
11 VO = 1Vp-p
8 VO = 2Vp-p
5 VO = 5Vp-p
2
–1
See Figure 1
–4
0.5
10
Frequency (MHz)
100
500
INVERTING LARGE-SIGNAL FREQUENCY RESPONSE
30
29
RG = RS = 50
G = –20V/V
26
VO = 0.2Vp-p
23
20 VO = 1Vp-p
17 VO = 2Vp-p
14
VO = 5Vp-p
11
8
5
See Figure 2
2
0.1
10
Frequency (MHz)
100
500
100
0
–100
NON-INVERTING PULSE RESPONSE
G = +10V/V
Large Signal ±1V
Right Scale
Small Signal ±100mV
Left Scale
See Figure 1
Time (5ns/div)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
100
0
–100
INVERTING PULSE RESPONSE
G = –20V/V
Large Signal ±1V
Right Scale
Small Signal ±100mV
Left Scale
See Figure 2
Time (5ns/div)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
®
OPA686
4

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OPA686 전자부품, 판매, 대치품
TYPICAL PERFORMANCE CURVES: VS = ±5V (CONT)
At TA = +25°C, G = +10, RF = 453, and RL = 100, unless otherwise noted. See Figure 1.
90
80
70
60
50
40
30
20
10
0
100
OPEN-LOOP GAIN and PHASE
| AOL|
AOL
1k 10k 100k 1M 10M 100M
Frequency (Hz)
0
–30
–60
–90
–120
–150
–180
–210
–240
–270
1G
POWER SUPPLY and OUTPUT CURRENT
vs TEMPERATURE
14
Power Supply Current
12
Output Current Sourcing
10
140
120
100
8
Output Current Sinking
80
6 60
4 40
2 20
0
–50
–25
0
0 25 50 75 100 125
Temperature (°C)
110
100
90
80
70
60
50
40
30
20
10
100
CMRR
CMRR and PSRR
+PSRR
–PSRR
1k 10k 100k 1M
Frequency (Hz)
10M 100M
1.3
1.1
0.9
0.7
0.5
0.3
0.1
–0.1
–50
INPUT DC ERRORS vs TEMPERATURE
Input Bias Current
Offset Voltage
Input Offset Current
–25 0
25 50 75 100
Temperature (°C)
13
11
9
7
5
3
1
–1
125
10
1.0
0.1
0.01
CLOSED-LOOP OUTPUT IMPEDANCE
50OPA686
450
50
ZO
0.001
10k
100k
1M
Frequency (Hz)
10M
100M
DIFFERENTIAL and COMMON-MODE
INPUT IMPEDANCE
107
Common-Mode
106
105
104 Differential
103
100
1k
10k 100k 1M
10M 10M
Frequency (Hz)
®
7 OPA686

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