Intersil Corporation HFA1115-883 Datasheet
July 1994
HFA1115/883
High Speed, Low Power, Output Limiting
Closed Loop Buffer Amplifier
Features
• This Circuit is Processed in Accordance to MIL-STD883 and is Fully Conformant Under the Provisions of
Paragraph 1.2.1.
• User Programmable Output Voltage Limiting
• User Programmable For Closed-Loop Gains of +1, -1
or +2 Without Use of External Resistors
• Standard Operational Amplifier Pinout
• Fast Overdrive Recovery. . . . . . . . . . . . . . . . <1ns (Typ)
• Low Supply Current. . . . . . . . . . . . . . . . . . 6.9mA (Typ)
• Excellent Gain Accuracy. . . . . . . . . . . . . .0.99V/V (Typ)
• Wide -3dB Bandwidth . . . . . . . . . . . . . . . 225MHz (Typ)
• Fast Slew Rate . . . . . . . . . . . . . . . . . . . . .1135V/µs (Typ)
• High Input Impedance . . . . . . . . . . . . . . . . . . 1MΩ (Typ)
• Excellent Gain Flatness (to 50MHz) . . . . . ±0.1dB (Typ)
Applications
• Flash A/D Driver
• Video Switching and Routing
• Pulse and Video Amplifiers
• Wideband Amplifiers
• RF/IF Signal Processing
• Medical Imaging Systems
Description
The HFA1115/883 is a high speed closed loop Buffer featuring both user programmable gain and output limiting. Manufactured in Intersil’ proprietary complementary bipolar UHF-1
process, the HFA1115/883 also offers a wide -3dB bandwidth of 225MHz, very fast slew rate, excellent gain flatness
and high output current.
This buffer is the ideal choice for high frequency applications
requiring output limiting, especially those needing ultra fast
overload recovery times. The limiting function allows the
designer to set the maximum positive and negative output levels, thereby protecting later stages from damage or input saturation. The HFA1115/883 also allows for voltage gains of +2,
+1, and -1, without the use of external resistors. Gain selection is accomplished via connections to the inputs, as
described in the “Application Information” text. The result is a
more flexible product, fewer part types in inventory, and more
efficient use of board space.
Compatibility with existing op amp pinouts provides flexibility to
upgrade low gain amplifiers, while decreasing component
count. Unlike most buffers, the standard pinout provides an
upgrade path should a higher closed loop gain be needed at a
future date.
Ordering Information
TEMPERATURE
PART NUMBER
HFA1115MJ/883 -55oC to +125oC 8 Lead CerDIP
RANGE PACKAGE
Pinout
HFA1115/883
(CERDIP)
TOP VIEW
350
350
-
+
3-194
8
V
H
7
V+
6
OUT
5
V
L
NC
1
2
-IN
3
+IN
4
V-
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
| Copyright © Intersil Corporation 1999
Spec Number 511109-883
File Number 3724
Specifications HFA1115/883
Absolute Maximum Ratings Thermal Information
Voltage Between V+ and V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V
Voltage at Either Input Terminal . . . . . . . . . . . . . . . . . . . . . . V+ to V-
Output Current (Note 1) . . . . . . . . . . . . . . . . Short Circuit Protected
Output Current (50% Duty Cycle, Note 1) . . . . . . . . . . . . . . . .60mA
Junction Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +175oC
ESD Rating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .> 2000V
Storage Temperature Range . . . . . . . . . . . . . .-65oC ≤ TA≤ +150oC
Lead Temperature (Soldering 10s). . . . . . . . . . . . . . . . . . . . +300oC
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Operating Conditions
Operating V
Operating Temperature Range. . . . . . . . . . . . .-55oC ≤ TA≤ +125oC
Device Tested at: V
PARAMETERS SYMBOL CONDITIONS
Output Offset Voltage V
Common Mode
Rejection Ratio
Power Supply
Rejection Ratio
Non-Inverting Input (+IN)
Current
+IN Current Common
Mode Sensitivity
+IN Resistance +R
(±VS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±5V
SUPPLY
TABLE 1. DC ELECTRICAL PERFORMANCE CHARACTERISTICS
= ±5V, AV= +1, R
SUPPLY
OS
SOURCE
VCM= 0V 1 +25oC -10 10 mV
CMRR ∆VCM= ±1.8V
V+ = 3.2V, V- = -6.8V
V+ = 6.8V, V- = -3.2V
∆VCM= ±1.2V
V+ = 3.8V, V- = -6.2V
V+ = 6.2V, V- = -3.8V
PSRRP ∆V
SUPPLY
V+ = 6.8V, V- = -5V
V+ = 3.2V, V- = -5V
∆V
SUPPLY
V+ = 6.2V, V- = -5V
V+ = 3.8V, V- = -5V
PSRRN ∆V
SUPPLY
V+ = 5V, V- = -6.8V
V+ = 5V, V- = -3.2V
∆V
SUPPLY
V+ = 5V, V- = -6.2V
V+ = 5V, V- = -3.8V
I
BSP
CMS
VCM= 0V 1 +25oC -15 15 µA
∆VCM= ±1.8V
IBP
V+ = 3.2V, V- = -6.8V
V+ = 6.8V, V- = -3.2V
∆VCM= ±1.2V
V+ = 3.8V, V- = -6.2V
V+ = 6.2V, V- = -3.8V
Note 2 1 +25oC 800 - kΩ
IN
= 0Ω, RL = 100Ω, V
= ±1.8V
= ±1.2V
= ±1.8V
= ±1.2V
Thermal Resistance θ
JA
θ
CerDIP Package . . . . . . . . . . . . . . . . . 115oC/W 30oC/W
Maximum Package Power Dissipation at +75oC
CerDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.87W
Package Power Dissipation Derating Factor above +75oC
CerDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8.7mW/oC
RL≥ 50Ω
= 0V, Unless Otherwise Specified.
OUT
GROUP A
SUBGROUPS TEMPERATURE
LIMITS
UNITSMIN MAX
2, 3 +125oC, -55oC -20 20 mV
1 +25oC42-dB
2 +125oC39-dB
3 -55oC39-dB
1 +25oC45-dB
2 +125oC42-dB
3 -55oC42-dB
1 +25oC45-dB
2 +125oC42-dB
3 -55oC42-dB
2, 3 +125oC, -55oC -25 25 µA
1 +25oC - 1.25 µA/V
2 +125oC - 2.85 µA/V
3 -55oC - 2.85 µA/V
2, 3 +125oC, -55oC 350 - kΩ
JC
3-195
Spec Number 511109-883
Loading...