Datasheet ADA4091-2, ADA4091-4 (Analog Devices)

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Precision Micropower, OVP, RRIO Operational Amplifier Data Sheet ADA4091-2/ ADA4091-4 FEATURES PIN CONFIGURATIONS Single-supply operation: 3.0 V to 30 V OUTA 1 8 +V Wide input voltage range –INA 2 7 OUTB ADA4091-2 Rail-to-rail output swing +INA 3 TOP VIEW 6 –INB
01
(Not to Scale)
0
Low supply current: 200 μA/amplifier –V 4 5 +INB
671- 07
Wide bandwidth: 1.2 MHz
Figure 1. 8-Lead, Narrow-Body SOIC (R-8)
Slew rate: 0.46 V/μs OUTA 1 8 +V Low offset voltage: 250 μV maximum –INA 2 7 OUTB No phase reversal ADA4091-2 +INA 3 TOP VIEW 6 –INB Overvoltage protection (OVP) (Not to Scale) –V 4 5 +INB 25 V above/below supply rails at ±5 V 12 V above/below supply rails at ±15 V NOTES
102
1. IT IS RECOMMENDED TO CONNECT THE
1-
APPLICATIONS EXPOSED PAD TO V–.
757 0 Figure 2. 8-Lead LFCSP (CP-8-21)
Industrial process control Battery-powered instrumentation OUTA 1 14 OUTD Power supply control and protection –INA 2 13 –IND Telecommunications +INA 3 ADA4091-4 12 +IND Remote sensors +V 4 TOP VIEW 11 –V (Not to Scale) Low voltage strain gage amplifiers +INB 5 10 +INC DAC output amplifiers –INB 6 9 –INC
1 10
OUTB 7 8 OUTC
1-
GENERAL DESCRIPTION
767 0 The ADA4091-2 dual and ADA4091-4 quad are micropower, Figure 3. 14-Lead TSSOP (RU-14)
A D
single-supply, 1.2 MHz bandwidth amplifiers featuring rail-to-
T T C U U C N O O N
rail inputs and outputs. They are guaranteed to operate from a
6 5 4 3 1 1 1 1
+3.0 V to +30 V single supply as well as from ±1.5 V to ±15 V dual supplies.
–INA 1 12 –IND +INA 2 ADA4091-4 11 +IND
The ADA4091-2/ADA4091-4 features a unique input stage that
TOP V+ 3 10 V–
allows the input voltage to exceed either supply safely without any
VIEW +INB 4 9 +INC
phase reversal or latch-up; this is called overvoltage protection (OVP).
5 6 7 8 B B C C N T I T NI
Applications for these amplifiers include portable telecom-
U – U – O O
munications equipment, power supply control and protection,
NOTES
and interface for transducers with wide output ranges. Sensors
1. NC = NO CONNECT.
103 1-
2. IT IS RECOMMENDED TO CONNECT THE
requiring a rail-to-rail input amplifier include Hall effect, piezo- 767
EXPOSED PAD TO V–.
0 electric, and resistive transducers. Figure 4. 16-Lead LFCSP (CP-16-17) The ability to swing rail-to-rail at both the input and output enables The ADA4091-2 is available in 8-lead, plastic SOIC and 8-lead designers, for example, to build multistage filters in single-supply LFCSP packages. The ADA4091-4 is available in 14–lead TSSOP systems and to maintain high signal-to-noise ratios (SNR). and 16-lead LFCSP surface-mount packages. The ADA4091-2/ADA4091-4 is specified over the extended indus-
Table 1. Low Power, 36 V Operational Amplifiers
trial temperature range of −40°C to +125°C. The ADA4091-2/
Family Rail-to-Rail I/O PJFET Low Noise
ADA4091-4 is part of the growing selection of 36 V, low power Single OP1177 operational amplifiers from Analog Devices, Inc., (see Table 1). Dual ADA4091-2 AD8682 OP2177 Quad ADA4091-4 AD8684 OP4177
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS REVISION HISTORY SPECIFICATIONS ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INPUT STAGE OUTPUT STAGE INPUT OVERVOLTAGE PROTECTION OUTLINE DIMENSIONS ORDERING GUIDE