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PDF BUF634T Data sheet ( Hoja de datos )
| Número de pieza | BUF634T | |
| Descripción | 250mA HIGH-SPEED BUFFER | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BUF634T (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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®
BUF634
BUF634
BUF634
BUF634
BUF634
250mA HIGH-SPEED BUFFER
FEATURES
q HIGH OUTPUT CURRENT: 250mA
q SLEW RATE: 2000V/µs
q PIN-SELECTED BANDWIDTH:
30MHz to 180MHz
q LOW QUIESCENT CURRENT:
1.5mA (30MHz BW)
q WIDE SUPPLY RANGE: ±2.25 to ±18V
q INTERNAL CURRENT LIMIT
q THERMAL SHUTDOWN PROTECTION
q 8-PIN DIP, SO-8, 5-LEAD TO-220, 5-LEAD
DDPAK SURFACE-MOUNT
DESCRIPTION
The BUF634 is a high speed unity-gain open-loop
buffer recommended for a wide range of applications.
It can be used inside the feedback loop of op amps to
increase output current, eliminate thermal feedback
and improve capacitive load drive.
For low power applications, the BUF634 operates
on 1.5mA quiescent current with 250mA output,
2000V/µs slew rate and 30MHz bandwidth. Band-
width can be adjusted from 30MHz to 180MHz by
connecting a resistor between V– and the BW Pin.
Output circuitry is fully protected by internal current
limit and thermal shut-down making it rugged and
easy to use.
8-Pin DIP Package
SO-8 Surface-Mount Package
BW 1
NC 2
VIN 3
V– 4
G=1
8 NC
7 V+
6 VO
5 NC
APPLICATIONS
q VALVE DRIVER
q SOLENOID DRIVER
q OP AMP CURRENT BOOSTER
q LINE DRIVER
q HEADPHONE DRIVER
q VIDEO DRIVER
q MOTOR DRIVER
q TEST EQUIPMENT
q ATE PIN DRIVER
The BUF634 is available in a variety of packages to
suit mechanical and power dissipation requirements.
Types include 8-pin DIP, SO-8 surface-mount, 5-lead
TO-220, and a 5-lead DDPAK surface-mount plastic
power package.
5-Lead
TO-220
G=1
G=1
5-Lead DDPAK
Surface Mount
12345
12345
BW V– V+
VIN VO
BW V– V+
VIN VO
NOTE: Tabs are connected
to V– supply.
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
©1993 Burr-Brown Corporation
PDS-1206C
Printed in U.S.A. June, 1996
1 page  
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, VS = ±15V, unless otherwise noted.
0
–10
–20
–30 Low IQ
–40
–50
1M
GAIN and PHASE vs FREQUENCY
vs POWER SUPPLY VOLTAGE
Low IQ
Wide BW
RL = 100Ω
RS = 50Ω
VO = 10mV
10
5
0
–5
–10
–15
Wide BW
VS = ±18V
VS = ±12V
VS = ±5V
VS = ±2.25V
10M
100M
Frequency (Hz)
1G
100
90
80
70
60
50
40
30
20
10
0
1k
POWER SUPPLY REJECTION vs FREQUENCY
Wide BW
Low IQ
10k 100k
Frequency (Hz)
1M
10M
20
18
16
14
12
10
8
6
4
2
0
10
QUIESCENT CURRENT
vs BANDWIDTH CONTROL RESISTANCE
+15V
15mA at R = 0
BW
R
–15V
1.5mA at R = ∞
100 1k
Resistance (Ω)
10k
SHORT CIRCUIT CURRENT vs TEMPERATURE
500
450
400 Wide Bandwidth Mode
350
Low IQ Mode
300
250
200
–50 –25
0 25 50 75 100 125 150
Junction Temperature (°C)
QUIESCENT CURRENT vs TEMPERATURE
7
Cooling
6
Low IQ Mode
5
4
≈10°C
3
2
1
0
–50 –25 0
Thermal Shutdown
25 50 75 100 125 150 175 200
Junction Temperature (°C)
QUIESCENT CURRENT vs TEMPERATURE
20
15 Thermal Shutdown
10
Wide BW Mode
≈10°C
5
Cooling
0
–50 –25 0 25 50 75 100 125 150 175 200
Junction Temperature (°C)
®
5 BUF634
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet BUF634T.PDF ] | |
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