Datasheet

AD8079–SPECIFICATIONS
AD8079A/AD8079B
Parameter Conditions Min Typ Max Units
DYNAMIC PERFORMANCE
–3 dB Small Signal Bandwidth V
IN
= 50 mV rms 260 MHz
Bandwidth for 0.1 dB Flatness V
IN
= 50 mV rms 50 MHz
Large Signal Bandwidth V
IN
= 1 V rms 100 MHz
Slew Rate V
O
= 2 V Step 750 V/µs
V
O
= 4 V Step 800 V/µs
Settling Time to 0.1% V
O
= 2 V Step 40 ns
Rise & Fall Time V
O
= 2 V Step 2.5 ns
NOISE/HARMONIC PERFORMANCE
Total Harmonic Distortion f
C
= 5 MHz, V
O
= 2 V p-p –65 dBc
Crosstalk, Output to Output f = 5 MHz –70 dB
Input Voltage Noise f = 10 kHz 2.0 nV/√
Hz
Input Current Noise f = 10 kHz, +In 2.0 pA/√
Hz
Differential Gain Error NTSC, R
L
= 150 Ω 0.01 %
NTSC, R
L
= 75 Ω 0.01 %
Differential Phase Error NTSC, R
L
= 150 Ω 0.02 Degree
R
L
= 75 Ω 0.07 Degree
DC PERFORMANCE
Offset Voltage, RTO 10 15 mV
T
MIN
–T
MAX
10 20 mV
Offset Drift, RTO 20 µV/°C
+Input Bias Current 3.0 6.0 ±µA
T
MIN
–T
MAX
10 ±µA
Gain No Load 1.998/2.198 2.0/2.2 2.002/2.202 V/V
R
L
= 150 Ω 1.995/2.195 2.0/2.2 2.005/2.205 V/V
Gain Matching Channel-to-Channel, No Load 0.1 %
Channel-to-Channel, R
L
= 150 Ω 0.5 %
INPUT CHARACTERISTICS
+Input Resistance +Input 10 MΩ
+Input Capacitance +Input 1.5 pF
OUTPUT CHARACTERISTICS
Output Voltage Swing R
L
= 150 Ω 2.7 3.1 ±V
R
L
= 75 Ω 2.8 ±V
Output Current
1
70 mA
Short Circuit Current
1
85 110 mA
POWER SUPPLY
Operating Range ±3.0 ±6.0 V
Quiescent Current/Both Amplifiers T
MIN
–T
MAX
10.0 11.5 mA
Power Supply Rejection Ratio, RTO +V
S
= +4 V to +6 V, –V
S
= –5 V 49 69 dB
–V
S
= – 4 V to –6 V, +V
S
= +5 V 40 50 dB
+Input Current T
MIN
–T
MAX
0.1 0.5 µA/V
NOTES
1
Output current is limited by the maximum power dissipation in the package. See the power derating curves.
Specifications subject to change without notice.
–2–
REV. A
(@ T
A
= +258C, V
S
= 65 V, R
L
= 100 V , unless otherwise noted)