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PDF SHC615AP Data sheet ( Hoja de datos )
| Número de pieza | SHC615AP | |
| Descripción | Wide-Bandwidth/ DC RESTORATION CIRCUIT | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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® SHC615
SHC615
SHC615
Wide-Bandwidth,
DC RESTORATION CIRCUIT
FEATURES
APPLICATIONS
q PROPAGATION DELAY: 2.2ns
q BANDWIDTH: OTA: 750MHz
Comparator: 280MHz
q LOW INPUT BIAS CURRENT: –0.3µA
q SAMPLE/HOLD
SWITCHING TRANSIENTS: +1/–7mV
q SAMPLE/HOLD
FEEDTHROUGH REJECTION: 100dB
q CHARGE INJECTION: 40fC
q HOLD COMMAND DELAY TIME: 3.8ns
q TTL/CMOS HOLD CONTROL
DESCRIPTION
q BROADCAST/HDTV EQUIPMENT
q TELECOMMUNICATIONS EQUIPMENT
q HIGH-SPEED DATA ACQUISITION
q CAD MONITORS/CCD IMAGE
PROCESSING
q NANO SECOND PULSE INTEGRATOR/
PEAK DETECTORS
q PULSE CODE MODULATOR/
DEMODULATOR
q COMPLETE VIDEO DC LEVEL
RESTORATION
q SAMPLE/HOLD AMPLIFIER
The SHC615 is a complete subsystem for very fast
and precise DC restoration, offset clamping, and low
frequency hum suppression of wideband amplifiers or
buffers. Designed to stabilize the performance of
video signals, it can also be used as a sample/hold
amplifier, high-speed integrator, or peak detector for
nanosecond pulses. A wideband Operational
Transconductance Amplifier (OTA) with a high-im-
pedance cascode current source output and fast sam-
pling comparator set a new standard for high-speed
applications. Both can be used as stand-alone circuits
or combined to form a more complex signal process-
ing stage. The self-biased, bipolar OTA can be viewed
as an ideal voltage-controlled current source and is
optimized for low input bias current. The sampling
comparator has two identical high-impedance inputs
and a current source output optimized for low output
bias current and offset voltage; it can be controlled by
a TTL-compatible switching stage within a few
nanoseconds. The transconductance of the OTA and
sampling comparator can be adjusted by an external
resistor, allowing bandwidth, quiescent current, and
gain tradeoffs to be optimized.
The SHC615 is available in SO-14 surface mount and
14-pin plastic DIPs, and is specified over the ex-
tended temperature range of –40°C to +85°C.
Ground
CHOLD
Base
9 43
7
Hold Control
S/H 10
In+
S/H 11
In–
Switching
Stage
Sampling
Comparator (SC)
SOTA ∞
OTA
Biasing
SHC615
13
5
2
Emitter
12
Collector (IOUT)
1
IQ Adjust
+VCC –VCC
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-1214C
Printed in the U.S.A. May, 1995
1 page  
PIN CONFIGURATION
Top View
DIP, SO-14
IQ Adjust 1
Emitter, E 2
Base, B 3
CHOLD 4
–VCC 5
NC 6
Hold Control 7
•
SHC615
14 NC
13 +VCC
12 IOUT, Collector, C
11 S/H In–
10 S/H In+
9 Ground
8 NC
BLOCK DIAGRAM
Hold 7
Control
S/H 10
In+
S/H 11
In–
Ground
9
CHOLD
4
Base
3
Switching
Stage
Sampling
Comparator (SC)
SOTA ∞
SHC615
OTA
Biasing
2
Emitter
12 Collector
(IOUT)
1 IQ Adjust
13 5
+VCC –VCC
ABSOLUTE MAXIMUM RATINGS
Power Supply Voltage (±VCC) .............................................................. ±6V
Input Voltage(1) ........................................................................ ±VCC ±0.7V
Operating Temperature .................................................... –40°C to +85°C
Storage Temperature ...................................................... –40°C to +125°C
Junction Temperature .................................................................... +150°C
Lead Temperature (soldering, 10s) ............................................... +300°C
Hold Control .............................................................. –0.5V to +VCC +0.7V
NOTE: (1) Inputs are internally diode-clamped to ±VCC.
PACKAGE/ORDERING INFORMATION
PRODUCT
PACKAGE
PACKAGE
DRAWING TEMPERATURE
NUMBER(1)
RANGE
SHC615AP
Plastic 14-Pin DIP
SHC615AU SO 14-Lead Surface-Mount
010
235
–40°C to +85°C
–40°C to +85°C
NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix C of Burr-Brown IC Data Book.
ELECTROSTATIC
DISCHARGE SENSITIVITY
Any integrated circuit can be damaged by ESD. Burr-Brown
recommends that all integrated circuits be handled with ap-
propriate precautions. Failure to observe proper handling and
installation procedures can cause damage.
ESD damage can range from subtle performance degradation
to complete device failure. Precision integrated circuits may
be more susceptible to damage because very small parametric
changes could cause the device not to meet published speci-
fications.
®
5 SHC615
5 Page 
TYPICAL PERFORMANCE CURVES (CONT)
At RQ = 300Ω, TA = +25°C, VCC = ±5V, unless otherwise noted.
PROPAGATION DELAY vs OVERDRIVE
3
2.5
2 Pos
1.5
1 VOD 100Ω 10
0.5 100Ω 11 SC
4
VOD
Neg
GND
VOD
0
0 200 400 600 800 100 1200
∆ Input Voltage (mV)
PROPAGATION DELAY TIME vs TEMPERATURE
3
2.8
2.6
2.4 Pos
2.2
Neg
2
1.8
1.6
–40 –20
0
20 40 60 80 100 120
Temperature (°C)
PROPAGATION DELAY vs LOAD CAPACITANCE
40
35 Pos
30
25
20 Neg
15 10
4
10
SC
11
5 CLOAD
0
0 100 200 300 400 500 600 700 800 900 1000
Capacitive Load, CL (pF)
150
100
50
0
–50
–100
–150
0
COMPARATOR RESPONSE TO A
2ns ANALOG INPUT PULSE
IOUT = 4mAp-p
RL = 50Ω
20 40 60 80 100
Time (ns)
PROPAGATION DELAY vs SLEW RATE
4
Pos
3.5
3
Neg
VIN = 1.2Vpp
2.5
2
1.5 VREF
+0.6V
VOD = 1.2Vp-p
–0.6V
1
500 250 160 120 96 80 68 60 53 48
(0) (2) (4) (6) (8) (10) (12) (14) (16) (18) (20)
Slew Rate (V/µs)
(Rise Time (ns))
150
100
50
0
–50
–100
–150
0
COMPARATOR RESPONSE TO A
10ns ANALOG INPUT PULSE
IOUT = 4mAp-p
RL = 50Ω
20 40 60 80 100
Time (ns)
®
11 SHC615
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet SHC615AP.PDF ] | |
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