Datasheet

REV. A–2–
AD8047/AD8048–SPECIFICATIONS
AD8047A AD8048A
Parameter Conditions Min Typ Max Min Typ Max Unit
DYNAMIC PERFORMANCE
Bandwidth (–3 dB)
Small Signal V
OUT
≤ 0.4 V p-p 170 250 180 260 MHz
Large Signal
1
V
OUT
= 2 V p-p 100 130 135 160 MHz
Bandwidth for 0.1 dB Flatness V
OUT
= 300 mV p-p
AD8047, R
F
=0 Ω;
AD8048, R
F
= 200 Ω 35 50 MHz
Slew Rate, Average +/– V
OUT
= 4 V Step 475 750 740 1000 V/µs
Rise/Fall Time V
OUT
= 0.5 V Step 1.1 1.2 ns
V
OUT
= 4 V Step 4.3 3.2 ns
Settling Time
To 0.1% V
OUT
= 2 V Step 13 13 ns
To 0.01% V
OUT
= 2 V Step 30 30 ns
HARMONIC/NOISE PERFORMANCE
Second Harmonic Distortion 2 V p-p; 20 MHz –54 –48 dBc
R
L
= 1 kΩ –64 –60 dBc
Third Harmonic Distortion 2 V p-p; 20 MHz –60 –56 dBc
R
L
= 1 kΩ –61 –65 dBc
Input Voltage Noise f = 100 kHz 5.2 3.8 nV/√Hz
Input Current Noise f = 100 kHz 1.0 1.0 pA/√Hz
Average Equivalent Integrated
Input Noise Voltage 0.1 MHz to 10 MHz 16 11 µV rms
Differential Gain Error (3.58 MHz) R
L
= 150 Ω, G = +2 0.02 0.01 %
Differential Phase Error (3.58 MHz) R
L
= 150 Ω, G = +2 0.03 0.02 Degree
DC PERFORMANCE
2
, R
L
= 150 Ω
Input Offset Voltage
3
13 13 mV
T
MIN
to T
MAX
44mV
Offset Voltage Drift ±5 ±5 µV/°C
Input Bias Current 1 3.5 1 3.5 µA
T
MIN
to T
MAX
6.5 6.5 µA
Input Offset Current 0.5 2 0.5 2 µA
T
MIN
to T
MAX
33µA
Common-Mode Rejection Ratio V
CM
= ±2.5 V 74 80 74 80 dB
Open-Loop Gain V
OUT
= ±2.5 V 58 62 65 68 dB
T
MIN
to T
MAX
54 56 dB
INPUT CHARACTERISTICS
Input Resistance 500 500 kΩ
Input Capacitance 1.5 1.5 pF
Input Common-Mode Voltage Range ±3.4 ±3.4 V
OUTPUT CHARACTERISTICS
Output Voltage Range, R
L
= 150 Ω±2.8 ±3.0 ±2.8 ±3.0 V
Output Current 50 50 mA
Output Resistance 0.2 0.2 Ω
Short-Circuit Current 130 130 mA
POWER SUPPLY
Operating Range ±3.0 ±5.0 ±6.0 ±3.0 ±5.0 ±6.0 V
Quiescent Current 5.8 6.6 5.9 6.6 mA
T
MIN
to T
MAX
7.5 7.5 mA
Power Supply Rejection Ratio 72 78 72 78 dB
NOTES
1
See Absolute Maximum Ratings and Theory of Operation sections.
2
Measured at A
V
= 50.
3
Measured with respect to the inverting input.
Specifications subject to change without notice.
(V
S
= 5 V, R
LOAD
= 100 , A
V
= 1 (AD8047), A
V
= 2 (AD8048), unless otherwise noted.)
ELECTRICAL CHARACTERISTICS