ADA4084-2ARMZ

ActiveInstrumentation, OP Amps, Buffer Amps8-Lead MSOP

IC OPAMP GP 2 CIRCUIT 8MSOP

The ADA4084-2ARMZ is a dual-channel, 30V low-noise rail-to-rail input/output operational amplifier with an operating temperature range of -40°C to +125°C, housed in an 8-lead MSOP package, featuring a 15.9 MHz gain bandwidth product and 3.9 nV/√Hz low noise.Checked against the datasheet

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Technical parameters

Key specs

Supply voltage3 ~ 30 V

Gain bandwidth product15.9 MHzTyp

Input offset voltage50 µVTyp · TA = 25°C)

Quiescent current565 µATyp · Max 0.650 mA per amplifier (VS = 3 V，IO = 0 mA，TA = 25°C)

Channels2

Datasheet-verified parameters

20 items

Parameter	Value and test conditions	Source
Supply Voltage Range	3 V to 30 V (or ±1.5 V to ±15 V)
Gain Bandwidth Product	15.9 MHz at AV = 100 typical
Input Offset Voltage	Typ 50 μV, Max 130 μV (MSOP package, TA = 25°C)
Quiescent Current	Typ 0.565 mA, Max 0.650 mA per amplifier (VS = 3 V, IO = 0 mA, TA = 25°C)
Number of Channels	2
Package	8-Lead MSOP (RM-8)
Operating Temperature Range	-40°C to +125°C
RoHS Compliance	Compliant (Z = RoHS Compliant Part)
Slew Rate	Typ 2.6 V/μs (RL = 2 kΩ, VS = 3 V, TA = 25°C)
Voltage Noise Density	Typ 3.9 nV/√Hz at f = 1 kHz
Common-Mode Rejection Ratio	Min 64 dB, Typ 88 dB (VCM = 0 V to 3 V, TA = 25°C)
Power Supply Rejection Ratio	Min 100 dB, Typ 110 dB (VS = ±1.25 V to ±1.75 V, TA = 25°C)
Input Bias Current	Typ 140 nA, Max 250 nA (TA = 25°C)
Input Voltage Range	0 V to 3 V (Rail-to-Rail)
Short-Circuit Current	Typ -17/+10 mA
Absolute Maximum Supply Voltage	±18 V
Storage Temperature Range	-65°C to +150°C
Junction Temperature Range	-65°C to +150°C
Thermal Resistance (Junction to Ambient)	142 °C/W (8-Lead MSOP)
ESD Human Body Model	4.5 kV

All parameters (21)ExpandCollapse

Power
Current - Input Bias	140 nA
Current - Output / Channel	30 mA
Current - Supply	625µA (x2 Channels)
Voltage - Supply Span (Max)	30 V
Voltage - Supply Span (Min)	3 V
AC and DC characteristics
-3db Bandwidth	13.9 MHz
Gain Bandwidth Product	15.9 MHz
Slew Rate	4.6V/µs
Voltage - Input Offset	60 µV
Environment and package
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C
Package	Tube
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-MSOP
Other
Amplifier Type	General Purpose
Base Product Number	ADA4084
Mfr	Analog Devices Inc.
Number of Circuits	2
Output Type	Rail-to-Rail
Product Status	Active
Series	-

Pinout and package

Figure 1. 8-Lead MSOP (RM), 8-… — Package: **8-Lead MSOP (RM-8)**

Pin	Name	Function
1	OUT	A (Channel A Output)
2		-IN A (Channel A Inverting Input)
3		+IN A (Channel A Non-Inverting Input)
4	V-	(Negative Supply)
5		+IN B (Channel B Non-Inverting Input)
6		-IN B (Channel B Inverting Input)
7	OUT	B (Channel B Output)
8	V+	(Positive Supply)

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DatasheetDatasheet · 1.2 MB · 2026-10-29

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