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PDF OPA651 Data sheet ( Hoja de datos )
| Número de pieza | OPA651 | |
| Descripción | Wideband / Low Power Voltage Feedback OPERATIONAL AMPLIFIER | |
| Fabricantes | Burr-Brown | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de OPA651 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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®
OPA651
OPA651
Wideband, Low Power Voltage Feedback
OPERATIONAL AMPLIFIER
FEATURES
q STABLE IN GAINS: ≥ 2V/V
q LOW POWER: 50mW
q BANDWIDTH: 470MHz at G = 2
q FAST SETTLING TIME: 16ns to 0.01%
q LOW HARMONICS: –78dB at 5MHz
q LOW INPUT BIAS CURRENT: 4µA
q DIFFERENTIAL GAIN/PHASE ERROR:
0.01%/0.025°
q LOW VOLTAGE NOISE: 4.6nV/√Hz
APPLICATIONS
q HIGH RESOLUTION VIDEO
q MONITOR PREAMPLIFIER
q CCD IMAGING AMPLIFIER
q ULTRASOUND SIGNAL PROCESSING
q ADC/DAC GAIN AMPLIFIER
q BASEBAND SIGNAL PROCESSING
DESCRIPTION
The OPA651 is a low power, wideband voltage feed-
back operational amplifier. It features a bandwidth at
G = +2 of 470MHz as well as a 12-bit settling time of
only 16ns. The wide bandwidth and true differential
input stage make it suitable for use in a variety of
applications. Its low distortion gives exceptional per-
formance for telecommunications, medical imaging
and video applications.
The OPA651 is compensated for stability in gains of
two or more, differentiating it from the unity gain
stable OPA650. Its unusual combination of speed,
accuracy and low power make it an outstanding choice
for many portable, multi-channel and other high speed
applications, where power is at a premium.
+VS
Non-Inverting
Input
Inverting
Input
1.5pF
Current
Mirror
Output
Stage
CC
Output
–VS
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
© 1994 Burr-Brown Corporation
PDS-1265E
Printed in U.S.A. March, 1998
1 page  
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, VS = ±5V, RL = 100Ω, RFB = 402Ω, and G = +2, unless otherwise noted.
RECOMMENDED ISOLATION RESISTANCE
vs CAPACITIVE LOAD
40
30
20
10
0
0
OPA651
402Ω
402Ω
RISO
1kΩ
CL
20 40 60
Capacitive Load, C (pF)
L
80
100
160
120
80
40
0
–40
–80
–120
–160
SMALL SIGNAL TRANSIENT RESPONSE
(G = +2)
Time (5ns/div)
LARGE SIGNAL TRANSIENT RESPONSE
(G = +2)
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
–1.2
–1.6
–2.0
Time (5ns/div)
12
9
6
3
0
–3
0
SMALL SIGNAL BANDWIDTH
G = +2 CLOSED-LOOP
SO-8 Bandwidth
= 472MHz
1M
10M
100M
Frequency (Hz)
1G
20
17
14
11
8
5
2
0
SMALL SIGNAL BANDWIDTH
G = +5 CLOSED-LOOP
SO-8 Bandwidth
= 66MHz
1M
10M
100M
Frequency (Hz)
1G
23
20
17
14
11
8
5
0
SMALL SIGNAL BANDWIDTH
G = +10 CLOSED-LOOP
Bandwidth
= 34MHz
1M 10M 100M
Frequency (Hz)
1G
®
5 OPA651
5 Page 
J2
–In
R3
R2
R8
R4
402Ω
C1
2.2µF
+
C3
0.1µF
J1
+In
R6
R5
27
3 OPA651
4
R7
C2
0.1µF
C4
+ 2.2µF
6 R1
NOTE: Values for R1, R2, R3, R5, R6, R7 and R8 are chosen according to desired gain.
FIGURE 8. Layout Detail For DEM-OPA65xU Demonstration Board.
J1
Out
1
+5V
2
GND
P1
1 GND
2
–5V
P2
®
11 OPA651
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet OPA651.PDF ] | |
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