iC-HQ
HIGH-PERFORMANCE QUAD OPAMP
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inar
relim
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Rev A1, Page 1/7
APPLICATIONS
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Measuring amplifiers
Instrumentation amplifiers
Signal conditioners
Encoder applications
Audio applications
High-impedance buffers
A/D and D/A converters
Battery operated devices
GND-sensing applications
FEATURES
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Ultra low offset (< 1 µV) and offset drift
Very low load dependent offset shift
Built-in offset measurement for each OPAMP
5 V single supply
Low supply current, typ. 350 µA/OPAMP
Unity gain stability
Input common mode range down to 0 V
1 mA rail-to-rail output
Very low 1/f noise
140 dB open loop gain
130 dB common mode rejection ratio
135 dB power supply rejection ratio
2.5 V/µs slew rate
3.5 MHz gain-bandwidth product
Tight matching of bandwidth and slew rate among all 4
OPAMPs
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Short circuit proof outputs
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Option:
iC-HQL (< 10 µV Offset)
PACKAGES
TSSOP14
BLOCK DIAGRAM
O1 1
IN1 2
IP1 3
VDD 4
IP2 5
IN2 6
O2 7
− +
2
+ −
3
− +
1
+ −
4
14 O4
13 IN4
12 IP4
iC−HQ
11 GND
10 IP3
9 IN3
8 O3
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