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