Datasheet ADA4891-1, ADA4891-2, ADA4891-3, ADA4891-4 (Analog Devices)

Low Cost CMOS, High Speed, Rail-to-Rail Amplifiers Data Sheet ADA4891-1/ ADA4891-2/ ADA4891-3/ ADA4891-4 FEATURES CONNECTION DIAGRAMS Qualified for automotive applications ADA4891-1 High speed and fast settling NC 1 8 NC −3 dB bandwidth: 220 MHz (G = +1) –IN 2 7 +VS Slew rate: 170 V/μs +IN 3 6 OUT Settling time to 0.1%: 28 ns –VS 4 5 NC
26 0 4-
Video specifications (G = +2, RL = 150 Ω)
05
NC = NO CONNECT
08
0.1 dB gain flatness: 25 MHz
Figure 1. 8-Lead SOIC_N (R-8)
Differential gain error: 0.05% ADA4891-1 Differential phase error: 0.25° Single-supply operation OUT 1 5 +VS Wide supply range: 2.7 V to 5.5 V –VS 2 Output swings to within 50 mV of supply rails
01
+IN 3 4 –IN
-0
Low distortion: 79 dBc SFDR at 1 MHz
54 80 0
Linear output current: 125 mA at −40 dBc
Figure 2. 5-Lead SOT-23 (RJ-5)
Low power: 4.4 mA per amplifier ADA4891-2 APPLICATIONS OUT1 1 8 +VS Automotive infotainment systems –IN1 2 7 OUT2 Automotive driver assistance systems +IN1 3 6 –IN2 Imaging –VS 4 5 +IN2
27 0
Consumer video
4- 805
NC = NO CONNECT
0
Active filters
Figure 3. 8-Lead SOIC_N (R-8) and 8-Lead MSOP (RM-8)
Coaxial cable drivers ADA4891-3 Clock buffers Photodiode preamp PD1 1 14 OUT2 Contact image sensor and buffers PD2 2 13 –IN2 GENERAL DESCRIPTION PD3 3 12 +IN2 +VS 4 11 –VS
The ADA4891-1 (single), ADA4891-2 (dual), ADA4891-3 (triple), and ADA4891-4 (quad) are CMOS, high speed amplifiers that
+IN1 5 10 +IN3
offer high performance at a low cost. The amplifiers feature true
–IN1 6 9 –IN3
73 single-supply capability, with an input voltage range that extends
OUT1
0
7 8 OUT3
4- 05 300 mV below the negative rail. 08 Figure 4. 14-Lead SOIC_N (R-14) and 14-Lead TSSOP (RU-14) In spite of their low cost, the ADA4891-1/ADA4891-2/ADA4891-3/
ADA4891-4
ADA4891-4 family provides high performance and versatility. The rail-to-rail output stage enables the output to swing to within
OUT1 1 14 OUT4
50 mV of each rail, enabling maximum dynamic range.
–IN1 2 13 –IN4 +IN1 3 12 +IN4
The ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4 family of
+VS 4 11 –VS
amplifiers is ideal for imaging applications, such as consumer
+IN2 5 10 +IN3
video, CCD buffers, and contact image sensor and buffers. Low
–IN2 6 9 –IN3
distortion and fast settling time also make them ideal for active 4
OUT2 7 8 OUT3
-0754 filter applications. 80 0 Figure 5. 14-Lead SOIC_N (R-14) and 14-Lead TSSOP (RU-14) The ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4 are avail- able in a wide variety of packages. The ADA4891-1 is available in 8-lead SOIC and 5-lead SOT-23 packages. The ADA4891-2 14-lead TSSOP packages. The amplifiers are specified to operate is available in 8-lead SOIC and 8-lead MSOP packages. The over the extended temperature range of −40°C to +125°C. ADA4891-3 and ADA4891-4 are available in 14-lead SOIC and
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAMS REVISION HISTORY SPECIFICATIONS 5 V OPERATION 3 V OPERATION ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION USING THE ADA4891-1/ADA4891-2/ADA4891-3/ ADA4891-4 WIDEBAND, NONINVERTING GAIN OPERATION WIDEBAND, INVERTING GAIN OPERATION RECOMMENDED VALUES EFFECT OF RF ON 0.1 dB GAIN FLATNESS DRIVING CAPACITIVE LOADS TERMINATING UNUSED AMPLIFIERS DISABLE FEATURE (ADA4891-3 ONLY) SINGLE-SUPPLY OPERATION VIDEO RECONSTRUCTION FILTER MULTIPLEXER LAYOUT, GROUNDING, AND BYPASSING POWER SUPPLY BYPASSING GROUNDING INPUT AND OUTPUT CAPACITANCE INPUT-TO-OUTPUT COUPLING LEAKAGE CURRENTS OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS