Datasheet ADA4099-1 (Analog Devices)

50 V, 8 MHz, 1.5 mA, Robust, Over-The-Top Precision Op Amp Preliminary Technical Data ADA4099-1 FEATURES GENERAL DESCRIPTION Ultrawide common-mode range: −VS – 0.1 V to −VS + 70 V
The ADA4099-1 is a robust, precision, rail-to-rail input/output
Wide supply voltage range (VSY): +3.15 V to +50 V (±25 V)
operational amplifier (op amp) with inputs that operate from −VS
Low supply current: 1.5 mA (typical)
to +VS and beyond, which is referred to in this data sheet as Over-
Low input offset voltage: 25 μV maximum
The-Top. The device features offset voltages of <25 μV, input bias
Low input offset voltage drift: 0.4 μV/°C maximum
currents (IB) of <4 nA, and can operate on single or split supplies
Low voltage noise:
that range from 3.15 V to 50 V. The ADA4099-1 draws 1.5 mA of
1/f noise corner: 6 Hz
quiescent current.
150 nV p-p typical at 0.1 Hz to 10 Hz
The ADA4099-1 Over-The-Top input stage has robust input
7 nV/√Hz typical at 100 Hz (en)
protection features for abusive environments. The inputs can
High speed
tolerate up to 80 V of differential voltage without damage or
GBP: 8 MHz typical
degradation to dc accuracy. The operating input common-mode
Slew rate: 5.5 V/μs typical at ΔVOUT = 25 V
range extends from rail-to-rail and beyond, up to 70 V > –VS,
Low power shutdown: <20 μA
independent of the +VS supply.
Low input bias current: 10 nA maximum Large signal voltage gain: 120 dB
The ADA4099-1 is unity-gain stable and can drive loads requiring
CMRR: 123 dB, minimum
up to 20 mA. The device can also drive capacitive loads as large as
PSRR: 126 dB, minimum
100 pF. The amplifier is available with low power shutdown.
Input overdrive tolerant with no phase reversal
The ADA4099-1 is available in a standard, 6-lead, thin small
±4 kV HBM and ±2 kV FICDM
outline transistor (TSOT) package.
Wide temperature range: −55°C to +150°C 6-lead TSOT package APPLICATIONS Industrial sensor conditioning Supply current sensing Battery and power supply monitoring Front-end amplifiers in abusive environments 4 mA to 20 mA transmitters TYPICAL APPLICATION CIRCUIT 100Ω 10 VBAT = 1.5V 9 V ADA4099-1 BAT = 15V 5V 8 0.1Ω 10W V M1 BAT = 1.5V TO 70V 7 ) BSS123LT1G 100Ω SHDN (% 100Ω 6 V R OUT 1V/A 5 RRO LOAD 1kΩ E 10mA TO 1A 4 UT P
001
3 UT
172-
O
22
2
Figure 1. 1 V/A Over-The-Top® Current Sense Application
1 0 –1 0.001 0.01 0.1 1
002 2-
LOAD CURRENT (A)
2217 Figure 2. Output Error vs. Load Current
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT TABLE OF CONTENTS SPECIFICATIONS 5 V SUPPLY ±15 V SUPPLY ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INPUT PROTECTION OVER-THE-TOP OPERATION CONSIDERATIONS OUTPUT SHUTDOWN PIN (SHDN) APPLICATIONS INFORMATION LARGE RESISTOR GAIN OPERATION RECOMMENDED VALUES FOR VARIOUS GAINS NOISE DISTORTION POWER DISSIPATION AND THERMAL SHUTDOWN CIRCUIT LAYOUT CONSIDERATIONS POWER SUPPLY BYPASSING GROUNDING ESD PROTECTION WHEN POWERED RELATED PRODUCTS TYPICAL APPLICATIONS OUTLINE DIMENSIONS