AD605 查看數據表（PDF） - Analog Devices
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AD605 Datasheet PDF : 24 Pages
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AD605
SPECIFICATIONS
Each channel @ TA = 25°C, VS = 5 V, RS = 50 Ω, RL = 500 Ω, CL = 5 pF, VREF = 2.5 V (scaling = 20 dB/V), −14 dB to +34 dB gain range,
unless otherwise noted.
Table 1.
AD605A
Parameter
Conditions
Min Typ
INPUT CHARACTERISTICS
Input Resistance
175 ± 40
Input Capacitance
3.0
Peak Input Voltage
At minimum gain
2.5 ± 2.5
Input Voltage Noise
VGN = 2.9 V
1.8
Input Current Noise
VGN = 2.9 V
2.7
Noise Figure
RS = 50 Ω, f = 10 MHz, VGN = 2.9 V
8.4
RS = 200 Ω, f = 10 MHz, VGN = 2.9 V
12
Common-Mode Rejection Ratio f = 1 MHz, VGN = 2.65 V
−20
OUTPUT CHARACTERISTICS
−3 dB Bandwidth
Constant with gain
40
Slew Rate
VGN = 1.5 V, output = 1 V step
170
Output Signal Range
RL ≥ 500 Ω
2.5 ± 1.5
Output Impedance
f = 10 MHz
2
Output Short-Circuit Current
±40
Harmonic Distortion
VGN = 1 V, VOUT = 1 V p-p
HD2
f = 1 MHz
−64
HD3
f = 1 MHz
−68
HD2
f = 10 MHz
−51
HD3
f = 10 MHz
−53
Two-Tone Intermodulation
Distortion (IMD)
RS = 0 Ω, VGN = 2.9 V, VOUT = 1 V p-p
f = 1 MHz
−72
f = 10 MHz
−60
1 dB Compression Point
f = 10 MHz, VGN = 2.9 V, output referred
15
Third-Order Intercept
f = 10 MHz, VGN = 2.9 V,
−1
VOUT = 1 V p-p, input referred
Channel-to-Channel Crosstalk Ch1: VGN = 2.65 V, inputs shorted,
−70
Ch2: VGN = 1.5 V (mid gain),
f = 1 MHz, VOUT = 1 V p-p
Group Delay Variation
1 MHz < f < 10 MHz, full gain range
±2.0
VOCM Input Resistance
45
ACCURACY
Absolute Gain Error
−14 dB to −11 dB
0.25 V < VGN < 0.40 V
−1.2 +1.0
−11 dB to +29 dB
0.40 V < VGN < 2.40 V
−1.0 ±0.3
+29 dB to +34 dB
2.40 V < VGN < 2.65 V
−3.5 −1.25
Gain Scaling Error
0.4 V < VGN < 2.4 V
±0.25
Output Offset Voltage
VREF = 2.500 V, VOCM = 2.500 V
−30 ±20
Output Offset Variation
VREF = 2.500 V, VOCM = 2.500 V
30
AD605B
Max Min Typ
175 ± 40
3.0
2.5 ± 2.5
1.8
2.7
8.4
12
−20
40
170
2.5 ± 1.5
2
±40
−64
−68
−51
−53
−72
−60
15
−1
−70
±2.0
45
+3.0 –1.2 +0.75
+1.0 –1.0 ±0.2
+1.2 –3.5 −1.25
±0.25
+30 –30 ±20
57
30
Max Unit
Ω
pF
V
nV/√Hz
pA/√Hz
dB
dB
dB
MHz
V/μs
V
Ω
mA
dBc
dBc
dBc
dBc
dBc
dBc
dBm
dBm
dB
ns
kΩ
+3.0 dB
+1.0 dB
+1.2 dB
dB/V
+30 mV
50 mV
Rev. F | Page 3 of 24
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