ad8260 Analog Devices, Inc., ad8260 Datasheet - Page 4

• Manufacturer Part Number: ad8260
• Description: High Current Driver Amplifier And Digital Vga/preamplifier With 3 Db Steps
• Manufacturer: Analog Devices, Inc.

AD8260
Parameter
PREAMPLFIER AND VGA—GENERAL PARAMETERS
PREAMPLIFIER AND VGA—DYNAMIC PERFORMANCE
Harmonic Distortion
Overload Recovery
Group Delay Variation
Output Third-Order Intercept, R
−3 dB Small Signal Bandwidth
−3 dB Large Signal Bandwidth
Slew Rate
Input Voltage Noise
Noise Figure
Output-Referred Noise
Output Impedance
Output Signal Range (per Pin)
Input Signal Range
Output Offset Voltage
Harmonic Distortion
Input 1 dB Compression Point
MTPR (In-Band)
Two-Tone Intermodulation Distortion (IMD3)
Output Third-Order Intercept
HD2
HD3
HD2
HD3
HD2
HD3
HD2
HD3
LOAD
= 50 Ω
V
f = 10 MHz (shorted input)
Max gain (gain code = 1011), R
DC to 10 MHz
R
Gain code = 0110, gain = 9 dB, V
Gain code = 1011, gain = 24 dB, V
Min gain (gain code = 0001), gain = −6 dB
Gain code = 1011, gain = 24 dB
Max gain (gain code = 1011), gain = 24 dB,
Conditions
V
V
V
V
V
V
V
V
f = 10 MHz (input open)
Max gain (gain code = 1011), R
shunt terminated with 50 Ω
Max gain (gain code = 1011), gain = 24 dB (input short)
Max gain (gain code = 1011), gain = 24 dB (input open)
Min gain (gain code = 0001), gain = −6 dB
V
V
Preamplifier input
Max gain (gain code = 1011), gain = 24 dB, 3 σ limits
f = 1 MHz
f = 10 MHz
f = 1 MHz
f = 10 MHz
(preamplifier limited)
Max gain (gain code = 1011), gain = 24 dB
(VGA limited)
V
missing tone at 12 MHz (spacing 2 MHz),
gain code = 1011, gain = 24 dB
V
missing tones at 10 MHz, 20 MHz, 30 MHz, and 40 MHz
(spacing 2 MHz)
Gain code = 1011, gain = 24 dB
V
V
V
V
V
V
V
V
V
1 MHz < f < 50 MHz, full gain range
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
LOAD
S
S
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
= +5 V
= ±5 V
= 50 mV p-p to 500 mV p-p
= 1 V p-p, f = 10 MHz
= 2 V p-p, f = 10 MHz
= 1 V p-p, f = 45 MHz
= 2 V p-p, f = 45 MHz
= 10 mV p-p, gain code = 0110
= 1 V p-p, gain code = 0110
= 2 V p-p, gain code = 0110
= 1 V p-p, gain code = 0110
= 1.6 V p-p, gain code = 0110
= 1.4 V p-p-max, 10 tones, 2 MHz to 22 MHz with
= 1.4 V p-p-max, 16 tones, 2 MHz to 38 MHz with
= 1 V p-p, f
= 2 V p-p, f
= 1 V p-p, f
= 2 V p-p, f
= 1 V p-p, f = 10 MHz
= 2 V p-p, f = 10 MHz
= 1 V p-p, f = 45 MHz
= 2 V p-p, f = 45 MHz
≥ 500 Ω
Rev. 0 | Page 4 of 32
1
1
1
1
= 10 MHz, f
= 10 MHz, f
= 45 MHz, f
= 45 MHz, f
2
2
2
2
= 11 MHz
= 11 MHz
= 46 MHz
= 46 MHz
S
S
= 50 Ω, unterminated
= 50 Ω,
OUT
OUT
= 1 V p-p
= 2 V p-p
Min
−50
Typ
33
40
23
28
230
165
135
330
335
2.4
6.2
10.2
15.5
38
98.1
25
≤3
V
V
±3.6
V
±20
−90
−87
−75
−58
−94
−90
−61
−84
1.9
−9.2
−68
−61
−92
−77
−50
−36
44
43
27
22
50
2
MDO
MDO
MDO
± 0.7
± 1.4
± 0.3
Max
+50
Unit
dBm
dBm
dBm
dBm
MHz
MHz
MHz
V/μs
V/μs
nV/√Hz
nV/√Hz
dB
dB
nV/√Hz
nV/√Hz
nV/√Hz
Ω
V
V
V
V
mV
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBm
dBm
dBc
dBc
dBc
dBc
dBc
dBc
dBm
dBm
dBm
dBm
ns
ns