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iC-HQ

HIGH-PERFORMANCE QUAD OPAMP

Rev A1, Page 1/7

FEATURES

o Ultra low offset (< 1 µV) and offset drift

o Very low load dependent offset shift

o Built-in offset measurement for each OPAMP

o 5 V single supply

o Low supply current, typ. 350 µA/OPAMP

o Unity gain stability

o Input common mode range down to 0 V

o 1 mA rail-to-rail output

o Very low 1/f noise

o 140 dB open loop gain

o 130 dB common mode rejection ratio

o 135 dB power supply rejection ratio

o 2.5 V/µs slew rate

o 3.5 MHz gain-bandwidth product

o Tight matching of bandwidth and slew rate among all 4

OPAMPs

o Short circuit proof outputs

o Option: iC-HQL (< 10 µV Offset)

APPLICATIONS

o Measuring amplifiers

o Instrumentation amplifiers

o Signal conditioners

o Encoder applications

o Audio applications

o High-impedance buffers

o A/D and D/A converters

o Battery operated devices

o GND-sensing applications

PACKAGES

TSSOP14

BLOCK DIAGRAM

− +

1

−

+

4

− +

2

−

+

3

1

GND

3

4

5

6

7

8

2

9

11

10

12

13

14

VDD

iC−HQ

O1

IN1

IP1

IP2

IN2

O2

O4

IN4

IP4

IP3

IN3

O3

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http://www.ichaus.com