Datasheet ADA4850-1, ADA4850-2 (Analog Devices)

High Speed, Rail-to-Rail Output Op Amps with Ultralow Power-Down Data Sheet ADA4850-1 /ADA4850-2 FEATURES PIN CONFIGURATIONS Ultralow power-down current: 150 nA/amplifier maximum ADA4850-1 TOP VIEW Low quiescent current: 2.4 mA/amplifier POWER DOWN 1 8 +V High speed S NIC 2 7 OUTPUT 175 MHz, −3 dB bandwidth –IN 3 6 NIC 220 V/μs slew rate +IN 4 5 –V 85 ns settling time to 0.1% S Excellent video specifications NOTES 1. EXPOSED PAD CAN BE CONNECTED TO GND,
106
0.1 dB flatness: 14 MHz OR LEFT FLOATING.
320-
2. NIC = NO INTERNAL CONNECTION.
05
Differential gain: 0.12%
Figure 1. 8-Lead, 3 mm × 3 mm LFCSP
Differential phase: 0.09° ADA4850-2 Single-supply operation: 2.7 V to 6 V TOP VIEW Rail-to-rail output 1 2 C C NI NI PD PD Output swings to within 80 mV of either rail 6 5 4 3 1 1 1 1 Low voltage offset: 0.6 mV V 1 12 +V APPLICATIONS OUT1 S –IN1 2 11 VOUT2 Portable multimedia players +IN1 3 10 –IN2 Video cameras –V 4 9 S +IN2 Digital still cameras 5 6 7 8 Consumer video C C C C Clock buffers NI NI NI NI NOTES 1. EXPOSED PAD CAN BE CONNECTED TO GND,
043 0-
OR LEFT FLOATING. 2. NIC = NO INTERNAL CONNECTION.
0532 Figure 2. 16-Lead, 3 mm × 3 mm LFCSP
GENERAL DESCRIPTION
The ADA4850-1/ADA4850-2 are low price, high speed, voltage The ADA4850-1/ADA4850-2 are designed to work in the feedbacks rail-to-rail output op amps with ultralow power-down. extended temperature range of −40°C to +125°C. Despite their low price, the ADA4850-1/ADA4850-2 provide
2
excellent overall performance and versatility. The 175 MHz, −3 dB bandwidth and 220 V/μs slew rate make these amplifiers
1
well-suited for many general-purpose, high speed applications.
0
The ADA4850-1/ADA4850-2 are designed to operate at supply
–1
voltages as low as 2.7 V and up to 6 V at 2.4 mA of supply
GAIN (dB)
current per amplifier. In power-down mode, the supply current
–2
is less than 150 nA, ideal for battery-powered applications.
-LOOP D E –3
The ADA4850-1/ADA4850-2 family provides users with a true
CLOS –4
single-supply capability, allowing input signals to extend
G = +1
200 mV below the negative rail and to within 2.2 V of the
V –5 S = 5V RL = 1k
positive rail. The output of the amplifier can swing within
VOUT = 0.1V p-p
80 mV of either supply rail.
–6 1 10 100 1000
With its combination of low price, excellent differential gain
FREQUENCY (MHz)
05320-054 (0.12%), differential phase (0.09°), and 0.1 dB flatness out to Figure 3. Small Signal Frequency Response 14 MHz, these amplifiers are ideal for video applications.
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Document Outline FEATURES APPLICATIONS PIN CONFIGURATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS SPECIFICATIONS WITH +3 V SUPPLY SPECIFICATIONS WITH +5 V SUPPLY ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS CIRCUIT DESCRIPTION HEADROOM AND OVERDRIVE RECOVERY CONSIDERATIONS Input Output OPERATING THE ADA4850-1/ADA4850-2 ON BIPOLAR SUPPLIES POWER-DOWN PINS OUTLINE DIMENSIONS ORDERING GUIDE