Datasheet ADA4077-1, ADA4077-2, ADA4077-4 (Analog Devices)

4 MHz, 7 nV/√Hz, Low Offset and Drift, High Precision Amplifiers Data Sheet ADA4077-1 /ADA4077-2/ ADA4077-4 FEATURES PIN CONNECTION DIAGRAMS Offset voltage: NIC 1 8 NIC 25 μV maximum at 25°C (B grade, 8-lead SOIC, single/ dual) –IN 2 ADA4077-1 7 V+ 50 μV maximum at 25°C (A grade, 8-lead SOIC, single/ dual) +IN 3 TOP VIEW 6 OUT (Not to Scale) 50 μV maximum at 25°C (A grade, 14-lead SOIC, quad) V– 4 5 NIC
01 1 8-
Offset voltage drift: NIC = NOT INTERNALLY CONNECTED.
0231
0.25 μV/°C maximum (B grade, 8-lead SOIC, single/dual)
Figure 1. ADA4077-1, 8-Lead SOIC and 8-Lead MSOP
0.55 μV/°C maximum (A grade, 8-lead SOIC, single/dual) OUT A 1 8 V+ 0.75 μV/°C maximum (A grade, 14-lead SOIC, quad) –IN A 2 ADA4077-2 7 OUT B MSL1 rated TOP VIEW +IN A 3 6 –IN B Low input bias current: 1 nA maximum at T (Not to Scale)
1
A = 25°C
00
V– 4 5 +IN B Low voltage noise density: 6.9 nV/√Hz typical at f = 1000 Hz
10238-
CMRR, PSRR, and A
Figure 2. ADA4077-2, 8-Lead MSOP and 8-Lead SOIC
V > 120 dB minimum Low supply current: 400 μA per amplifier typical OUT A 1 14 OUT D Wide gain bandwidth product: 3.9 MHz at ±5 V –IN A 2 13 –IN D Dual-supply operation: +IN A 3 ADA4077-4 12 +IN D Specified at ±5 V to ±15 V TOP VIEW V+ 4 11 V– Operates at ±2.5 V to ±15 V (Not to Scale) +IN B 5 10 +IN C Unity gain stable –IN B 6 9 –IN C No phase reversal OUT B 7 8 OUT C
202
Long-term offset voltage drift (10,000 hours): 0.5 μV typical
238- 10
Temperature hysteresis: 1 μV typical
Figure 3. ADA4077-4, 14-Lead TSSOP and 14-Lead SOIC
APPLICATIONS
The ADA4077-1 and ADA4077-2 are available in an 8-lead SOIC
Process control front-end amplifiers
package, including the B grade, and in an 8-lead MSOP (A grade
Optical network control circuits
only). The ADA4077-4 is offered in a 14-lead TSSOP and a 14-lead
Instrumentation
SOIC package.
Precision sensors and controls 200 Precision filters VSY = ±5V 180 SOIC GENERAL DESCRIPTION 160
The single ADA4077-1, dual ADA4077-2, and quad ADA4077-4
RS 140 IE
amplifiers feature extremely low offset voltage and drift, and low
IF L P 120
input bias current, noise, and power consumption. Outputs are
AM 100
stable with capacitive loads of more than 1000 pF with no
F O R
external compensation.
E 80 B 60
Applications for this amplifier include sensor signal conditioning
UM N
(such as thermocouples, resistance temperature detectors (RTDs),
40
strain gages), process control front-end amplifiers, and precision
20
diode power measurement in optical and wireless transmission
0
systems. The ADA4077-1/ADA4077-2/ADA4077-4 are useful in
0 5 0 5 0 5 0 5 0 E –5 –4 –4 –3 –3 –2 –2 –1 –1 –5 0 5 10 15 20 25 30 35 40 45 50 R
103 line powered and portable instrumentation, precision filters,
V MO OS (µV)
238- 10 and voltage or current measurement and level setting. Figure 4. Offset Voltage Distribution Unlike other amplifiers, the ADA4077-1/ADA4077-2/
Table 1. Evolution of Precision Devices by Generation
ADA4077-4 have an MSL1 rating that is compliant with the most
Op Amp First Second Third Fourth Fifth Sixth
stringent of assembly processes, and they are specified over the Single OP07 OP77 OP177 OP1177 AD8677 ADA4077-1 extended industrial temperature range from −40°C to +125°C for Dual OP2177 ADA4077-2 the most demanding operating environments. Quad OP4177 ADA4077-4
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONNECTION DIAGRAMS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS, ±5 V ELECTRICAL CHARACTERISTICS, ±15 V ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUIT THEORY OF OPERATION APPLICATIONS INFORMATION OUTPUT PHASE REVERSAL LOW POWER LINEARIZED RTD PROPER BOARD LAYOUT LONG-TERM DRIFT TEMPERATURE HYSTERESIS OUTLINE DIMENSIONS ORDERING GUIDE