ad8260 Analog Devices, Inc., ad8260 Datasheet - Page 3

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

SPECIFICATIONS
V
DGA differential output. All dBm values are referenced to 50 Ω, gain code 1011, unless otherwise specified.
Table 1.
Parameter
DRIVER AMPLIFIER—GENERAL PARAMETERS
DRIVER AMPLIFIER—DYNAMIC PERFORMANCE
S
Harmonic Distortion
Two-Tone Intermodulation Distortion (IMD3),
–3 dB Small Signal Bandwidth
–3 dB Large Signal Bandwidth
Slew Rate
Gain
Input Voltage Noise
Noise Figure
Output-Referred Noise
Output Impedance
Output Current
Output Signal Range
Input Signal Range
Output Offset Voltage
Harmonic Distortion
Input 1 dB Compression Point
Multitone Power Ratio (MTPR, In-Band)
Two-Tone Intermodulation Distortion (IMD3)
Output Third-Order Intercept
(supply voltage) = 3.3 V, T
R
HD2
HD3
HD2
HD3
HD2
HD3
HD2
HD3
LOAD
= 50 Ω
A
= 25°C, preamplifier gain = 2× (R
Conditions
V
V
V
V
V
V
V
V
V
Nominal gain with internal gain setting resistors
f = 10 MHz
R
differential DAC output currents to differential voltage)
Gain = 3.52 dB (1.5×), includes internal gain setting
resistors
DC to 10 MHz, V
R
R
V
V
Differential input signal
Gain = 3.52 dB (1.5×), max and min limits are 3σ
V
f = 1 MHz
f = 10 MHz
V
f = 1 MHz
f = 10 MHz
R
22 MHz with missing tone at 12 MHz (spacing 2 MHz)
R
38 MHz with missing tones at 10 MHz, 20 MHz, 30 MHz,
and 40 MHz (spacing 2 MHz)
V
V
V
V
V
V
V
V
V
V
V
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
S
LOAD
LOAD
S
S
OUT
OUT
LOAD
LOAD
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 100 Ω (differential, 2 × 50 Ω that convert
= +5 V
=
±
= 10 mV p-p, R
= 10 mV p-p, R
= 10 mV p-p, R
= 1 V p-p
= 2 V p-p
= 2 V p-p, R
= 1 V p-p
= 2 V p-p
= 2 V p-p, R
= 1 V p-p
= 2 V p-p
= 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
= 1 V p-p, f
= 2 V p-p, f
= 1 V p-p, f
= 2 V p-p, f
= 1 Ω, V
≥ 500 Ω
= 50 Ω, V
= 50 Ω, V
5 V
Rev. 0 | Page 3 of 32
FB1
IN
OUT
OUT
= ±0.5 V
= R
1
1
1
1
1
1
1
1
LOAD
LOAD
S
= 10 MHz, f
= 10 MHz, f
= 45 MHz, f
= 45 MHz, f
= 10 MHz, f
= 10 MHz, f
= 45 MHz, f
= 45 MHz, f
= ±3.3 V
= 1.4 V p-p max, 10 tones, 2 MHz to
= 1.4 V p-p max, 16 tones, 2 MHz to
LOAD
LOAD
LOAD
FB2
= 50 Ω
= 50 Ω
= 100 Ω), V
= 500 Ω
= 50 Ω
= 10 Ω
2
2
2
2
2
2
2
2
= 11 MHz
= 11 MHz
= 46 MHz
= 46 MHz
= 11 MHz
= 11 MHz
= 46 MHz
= 46 MHz
VMDO
= V
S
/2, f = 10 MHz, C
Min
−20
3.0
Typ
195
120
85
195
190
180
730
725
620
3.52
9.5
17.6
14.3
≤1.7
±310
V
V
±4.7
2
±5
−84
−85
−83
−70
−78
−76
−70
−58
13
−49
−43
−90
−71
−60
−48
43
40
28
28
−69
−72
−51
−48
L
MDO
MDO
= 5 pF, R
± 1.5
± 2.3
LOAD
Max
+20
AD8260
= 500 Ω,
Unit
MHz
MHz
MHz
MHz
MHz
MHz
V/μs
V/μs
V/μs
dB
nV/√Hz
dB
nV/√Hz
Ω
mA
V
V
V
V p-p
mV
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBm
dBc
dBc
dBc
dBc
dBc
dBc
dBm
dBm
dBm
dBm
dBc
dBc
dBc
dBc