®
HA-5101
Data Sheet
April 2002
FN2905.4
10MHz, Low Noise, Operational Amplifiers
The HA-5101 is a dielectrically isolated operational amplifier
featuring low noise, (3.0nV/√Hz at 1kHz).
DC characteristics of the HA-5101 assure accurate
performance. The 0.5mV offset voltage is externally adjust-
able and offset voltage drift is just 3µV/
o
C. An offset current
of only 30nA reduces input current errors and an open loop
voltage gain of 1 x 10
6
V/V increases loop gain for low
distortion amplification.
The HA-5101 is ideal for audio applications, especially low-
level signal amplifiers such as microphone, tape head and
phono cartridge preamplifiers. Additionally, it is well suited
for low distortion oscillators, low noise function generators
and high Q filters.
Features
• Low Noise . . . . . . . . . . . . . . . . . . . . . 3.0nV/√Hz at 1kHz
• Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10MHz
• Slew Rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V/µs
• Low Offset Voltage Drift . . . . . . . . . . . . . . . . . . . . 3µV/
o
C
• High Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 x 10
6
V/V
• High CMRR/PSRR . . . . . . . . . . . . . . . . . . . . . . . . . 100dB
• High Output Drive Capability . . . . . . . . . . . . . . . . . . 30mA
Applications
• High Quality Audio Preamplifiers
• High Q Active Filters
• Low Noise Function Generators
Pinout
HA-5101(SOIC)
TOP VIEW
• Low Distortion Oscillators
• Low Noise Comparators
• For Further Design Ideas, See Application Note AN554
8
7
6
5
COMP
V+
OUT
BAL
-IN
+IN
1
2
3
4
Ordering Information
PART NUMBER
(BRAND)
HA9P5101-9
(H51019)
TEMP.
RANGE (
o
C)
-40 to 85
PACKAGE
8 Ld SOIC
PKG.
NO.
M8.15
-
+
V-
BAL
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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