MAX492, MAX494, MAX495 Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps

QuickView

Technical Documents

Ordering Info

More Information

All

Description

FULL DATA SHEET (PDF, 248kB)

Download

E-Mail

The dual MAX492, quad MAX494, and single MAX495 operational amplifiers combine excellent DC accuracy with rail-to-rail operation at the input and output. Since the common-mode voltage extends from V_CC to V_EE, the devices can operate from either a single supply (+2.7V to +6V) or split supplies (±1.35V to ±3V). Each op amp requires less than 150µA supply current. Even with this low current, the op amps are capable of driving a 1kΩ load, and the input referred voltage noise is only 25nV/√Hz. In addition, these op amps can drive loads in excess of 1nF.

The precision performance of the MAX492/MAX494/MAX495, combined with their wide input and output dynamic range, low-voltage single-supply operation, and very low supply current, makes them an ideal choice for battery-operated equipment and other low-voltage applications. The MAX492/MAX494/MAX495 are available in DIP and SO packages in the industry-standard op-amp pin configurations. The MAX495 is also available in the smallest 8-pin SO: the µMAX® package.

Key Features

Applications/Uses

Low-Voltage Single-Supply Operation (+2.7V to +6V)
Rail-to-Rail Input Common-Mode Voltage Range
Rail-to-Rail Output Swing
500kHz Gain-Bandwidth Product
Unity-Gain Stable
150µA Max Quiescent Current per Op Amp
No Phase Reversal for Overdriven Inputs
200µV Offset Voltage
High Voltage Gain (108dB)
High CMRR (90dB) and PSRR (110dB)
Drives 1kΩ Load
Drives Large Capacitive Loads
MAX495 Available in µMAX Package-8-Pin SO
Dual, precision, rail-to-rail input and output (MAX492)
Quad, precision, rail-to-rail input and output (MAX494)
Single, precision, rail-to-rail input and output (MAX495)

	Battery-Powered Applications
	Data Acquisition
	Low-Voltage Applications
	Portable Equipment
	Signal Conditioning

Key Specifications: Operational Amplifiers

Part Number

Amps Per Pkg.

Rail to Rail

Min. Stable Closed Loop Gain (V/V)

Min. Total Supply (V)

Max. Total Supply (V)

Typ. Supply Current per Amp. (µA)

Max. V_OS (µV)

Typ. CMRR @ DC (dB)

Typ PSRR @ DC (dB)

Max. Input I_BIAS (nA)

Typ. Unity Gain BW (MHz)

Typ. Slew Rate (V/µs)

Input Voltage Noise Density (nV/√Hz)

Input Current Noise Density (pA/√Hz)

Low Power Shutdown

Package

Smallest Available Package (max w/pins) (mm²)

Operating Temp. Range (°C)

Price^**

MAX492

Input and Output

2.7

150

500

110

0.5

0.2

0.1

Ceramic DIP/8
DICE SALES/0
PDIP/8
SOIC/8

-40 to +85
-55 to +125
0 to +70

$2.25 @ 1k

MAX494

Ceramic DIP/14
PDIP/14
SOIC/14

$3.60 @ 1k

See All Operational Amplifiers (141)

Notes:
^**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.