Figure 2. 8-Lead SOIC (R Suffi…

AD8551ARZ

ActiveInstrumentation, OP Amps, Buffer Amps8-Lead SOIC_N

IC OPAMP ZERO-DRIFT 1 CIRC 8SOIC

The AD8551ARZ is a single-channel zero-drift precision operational amplifier in an 8-lead SOIC_N package, operating from -40°C to +125°C with 2.7 V to 5 V single-supply and rail-to-rail input/output.Checked against the datasheet

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Technical parameters

Key specs

Supply voltage2.7 ~ 5 V

Gain bandwidth product1.5 MHzTyp

Input offset voltage1 µVTyp · Max 5 μV (VS = 5 V，VCM = 2.5 V，VO = 2.5 V，TA = 25°C)，Max 10 μV (-40°C ≤ TA ≤ +125°C)

Quiescent current850 µATyp · Max 975 μA (VO = 0 V，TA = 25°C)，Max 1075 μA (-40°C ≤ TA ≤ +125°C)

Channels1

Datasheet-verified parameters

25 items

Parameter	Value and test conditions	Source
Supply Voltage Range	2.7 V to 5 V (Single-supply operation)
Gain Bandwidth Product	Typ 1.5 MHz
Input Offset Voltage	Typ 1 μV, Max 5 μV (VS = 5 V, VCM = 2.5 V, VO = 2.5 V, TA = 25°C); Max 10 μV (-40°C ≤ TA ≤ +125°C)
Supply Current/Amplifier	Typ 850 μA, Max 975 μA (VO = 0 V, TA = 25°C); Typ 1000 μA, Max 1075 μA (-40°C ≤ TA ≤ +125°C)
Channels	1 (Single amplifier)
Package	8-Lead SOIC_N (R-8)
Operating Temperature Range	-40°C to +125°C
Grade	Industrial/Automotive (Extended industrial/automotive temperature range)
RoHS Compliant	Yes (Z = RoHS Compliant Part)
Input Bias Current	Typ 10 pA, Max 50 pA (TA = 25°C); Typ 1.0 nA, Max 1.5 nA (-40°C ≤ TA ≤ +125°C)
Common-Mode Rejection Ratio	Min 120 dB, Typ 140 dB (VCM = 0 V to +5 V, TA = 25°C); Min 115 dB, Typ 130 dB (-40°C ≤ TA ≤ +125°C)
Power Supply Rejection Ratio	Min 120 dB, Typ 130 dB (VS = 2.7 V to 5.5 V, TA = 25°C); Min 115 dB, Typ 130 dB (-40°C ≤ TA ≤ +125°C)
Slew Rate	Typ 0.4 V/μs (RL = 10 kΩ)
Output Voltage High	Min 4.99 V, Typ 4.998 V (RL = 100 kΩ to GND, TA = 25°C)
Output Voltage Low	Typ 1 mV, Max 10 mV (RL = 100 kΩ to V+, TA = 25°C)
Output Current	Typ ±30 mA (TA = 25°C); Typ ±15 mA (-40°C to +125°C)
Offset Voltage Drift	Typ 0.005 μV/°C, Max 0.04 μV/°C (-40°C ≤ TA ≤ +125°C)
Voltage Noise Density	Typ 42 nV/√Hz (f = 1 kHz)
Absolute Maximum Ratings - Supply Voltage	6 V
Absolute Maximum Ratings - Input Voltage	GND -0.3 V to VS + 0.3 V
Absolute Maximum Ratings - Differential Input Voltage	±5.0 V
Storage Temperature Range	-65°C to +150°C
Junction Temperature Range	-65°C to +150°C
Thermal Resistance - Junction to Ambient	158 °C/W (8-Lead SOIC (R))
Thermal Resistance - Junction to Case	43 °C/W (8-Lead SOIC (R))

All parameters (20)ExpandCollapse

Power
Current - Input Bias	10 pA
Current - Output / Channel	30 mA
Current - Supply	850µA
Voltage - Supply Span (Max)	5.5 V
Voltage - Supply Span (Min)	2.7 V
AC and DC characteristics
Gain Bandwidth Product	1.5 MHz
Slew Rate	0.4V/µs
Voltage - Input Offset	1 µV
Environment and package
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C
Package	Tube
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Other
Amplifier Type	Zero-Drift
Base Product Number	AD8551
Mfr	Analog Devices Inc.
Number of Circuits	1
Output Type	Rail-to-Rail
Product Status	Active
Series	-

Pinout and package

Pin	Name	Function
1	NC	(No Connect)
2		-IN A (Inverting Input A)
3		+IN A (Non-inverting Input A)
4	V-	(Negative Supply)
5	NC	(No Connect)
6	OUT	A (Output A)
7	V+	(Positive Supply)
8	NC	(No Connect)

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DatasheetDatasheet · 499.5 KB · 2026-10-27

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