AD8012ARM General Description
The AD8012 is a dual low power current feedback amplifier capable of providing 350 MHz bandwidth while using only 1.7 mA per amplifier. It is intended for use in high frequency, wide dynamic range systems where low distortion, high speed are essential and low power is critical. With only 1.7 mA of supply current, the AD8012 also offers exceptional ac specs such as 20 ns settling time and 2,250 V/ms slew rate. The video specifications are 0.02% differential gain and 0.06 degree differential phase, excellent for such a low power amplifier. In addition, the AD8012 has a low offset of 1.5 mV.
The AD8012 is well suited for any application that requires high performance with minimal power. The product is available in standard 8-lead SOIC or micro-
SOIC packages and operates over the industrial temperature range 40°C to +85°C.
AD8012ARM Maximum Ratings
ABSOLUTE MAXIMUM RATINGS1
SupplyÊVoltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.6ÊV
InternalÊPowerÊDissipation 2
SmallÊOutlineÊPackage (R) . . . . . . . . . . . . . . . . . . . . . 0.8ÊW
microSOIC Package (RM) . . . . . . . . . . . . . . . . . . . . . 0.6 W
Input Voltage (Common Mode) . . . . . . . . . . . . . . . . . . . ±VS
DifferentialÊInputÊVoltage . . . . . . . . . . . . . . . . . . . . . . ±2.5ÊV
Output Short Circuit Duration
Ê Ê . . . . . . . . . . . . . . . . . . . . . . Observe Power Derating Curves
Storage Temperature Range RM, R . . . . . . 65°C to +125°C
Operating Temperature Range (A Grade) . . 40°C to +85°C
Lead Temperature Range (SolderingÊ10Êsec) . . . . . . . +300°C
AD8012ARM Features
Low Power
1.7 mA/Amplifier Supply Current
Fully Specified for 65 V and +5 V Supplies
High Output Current, 125 mA
High Speed
350 MHz, 3 dB Bandwidth (G = +1)
150 MHz, 3 dB Bandwidth (G = +2)
2,250 V/s Slew Rate
20 ns Settling Time to 0.1%
Low Distortion
72 dBc Worst Harmonic @ 500 kHz, RL = 100 V
66 dBc Worst Harmonic @ 5 MHz, RL = 1 kV
Good Video Specifications (RL = 1 k, G = +2)
0.02% Differential Gain Error
0.068 Differential Phase Error
Gain Flatness 0.1 dB to 40 MHz
60 ns Overdrive Recovery
Low Offset Voltage, 1.5 mV
Low Voltage Noise, 2.5 nV/Hz
Available in 8-Lead SOIC and 8-Lead microSOIC
AD8012ARM Typical Application
XDSL, HDSL Line Driver
ADC Buffer
Professional Cameras
CCD Imaging System
Ultrasound Equipment
Digital Camera
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