參數(shù)資料
型號(hào): AD605ARZ
廠商: ANALOG DEVICES INC
元件分類(lèi): 模擬信號(hào)調(diào)理
英文描述: Dual, Low Noise, Single-Supply Variable Gain Amplifier
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO16
封裝: LEAD FREE, MS-012-AC, SOIC-16
文件頁(yè)數(shù): 3/20頁(yè)
文件大?。?/td> 278K
代理商: AD605ARZ
AD605
SPECIFICATIONS
Each channel @ T
A
= 25°C, V
S
= 5 V, R
S
= 50 Ω, R
L
= 500 Ω, C
L
= 5 pF, VREF = 2.5 V (scaling = 20 dB/V), 14 dB to +34 dB gain range,
unless otherwise noted.
Table 1.
Parameter
Conditions
INPUT CHARACTERISTICS
Input Resistance
Input Capacitance
Peak Input Voltage
At minimum gain
Input Voltage Noise
VGN = 2.9 V
Input Current Noise
VGN = 2.9 V
Noise Figure
R
S
= 50 Ω, f = 10 MHz, VGN = 2.9 V
R
S
= 200 Ω, f = 10 MHz, VGN = 2.9 V
Common-Mode Rejection Ratio
f = 1 MHz, VGN = 2.65 V
OUTPUT CHARACTERISTICS
3 dB Bandwidth
Constant with gain
Slew Rate
VGN = 1.5 V, Output = 1 V step
Output Signal Range
R
L
≥ 500 Ω
Output Impedance
f = 10 MHz
Output Short-Circuit Current
Harmonic Distortion
VGN = 1 V, V
OUT
= 1 V p-p
HD2
f = 1 MHz
HD3
f = 1 MHz
HD2
f = 10 MHz
HD3
f = 10 MHz
Two-Tone Intermodulation
Distortion (IMD)
f = 1 MHz
f = 10 MHz
1 dB Compression Point
f = 10 MHz, VGN = 2.9 V, output referred
Third-Order Intercept
f = 10 MHz, VGN = 2.9 V,
V
OUT
= 1 V p-p, input referred
Channel-to-Channel Crosstalk
Ch1: VGN = 2.65 V, inputs shorted,
Ch2: VGN = 1.5 V (mid gain),
f = 1 MHz, V
OUT
= 1 V p-p
Group Delay Variation
1 MHz < f < 10 MHz, full gain range
VOCM Input Resistance
ACCURACY
Absolute Gain Error
14 dB to 11 dB
0.25 V < VGN < 0.40 V
11 dB to +29 dB
0.40 V < VGN < 2.40 V
+29 dB to +34 dB
2.40 V < VGN < 2.65 V
Gain Scaling Error
0.4 V < VGN < 2.4 V
Output Offset Voltage
VREF = 2.500 V, VOCM = 2.500 V
Output Offset Variation
VREF = 2.500 V, VOCM = 2.500 V
Rev. D | Page 3 of 20
AD605A
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
AD605B
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
Unit
Ω
pF
V
nV/√Hz
pA/√Hz
dB
dB
dB
MHz
V/μs
V
Ω
mA
dBc
dBc
dBc
dBc
Min
Max
Min
Max
R
S
= 0 Ω, VGN = 2.9 V, V
OUT
= 1 V p-p
72
60
+15
1
72
60
+15
1
dBc
dBc
dBm
dBm
70
70
dB
1.2
1.0
3.5
50
±2.0
45
+1.0
±0.3
1.25
±0.25
±30
30
+3.0
+1.0 –1.0
+1.2
+50
95
–1.2
±2.0
45
+0.75
±0.2
1.25
±0.25
±30
30
+3.0
+1.0
+1.2
+50
50
ns
dB
dB
dB
dB/V
mV
mV
–3.5
–50
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