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AD8331ARQZ-R7 数据表(PDF) 6 Page - Analog Devices

部件名 AD8331ARQZ-R7
功能描述  Ultralow Noise VGAs with Preamplifier and Programmable RIN
PDF  56 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8331ARQZ-R7 数据表(HTML) 6 Page - Analog Devices

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AD8331/AD8332/AD8334
Rev. G | Page 6 of 56
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit1
ENABLE INTERFACE
(PIN ENB, PIN ENBL, PIN ENBV)
Logic Level to Enable Power
2.25
5
V
Logic Level to Disable Power
0
1.0
V
Input Resistance
Pin ENB
25
kΩ
Pin ENBL
40
kΩ
Pin ENBV
70
kΩ
Power-Up Response Time
VINH = 30 mV p-p
300
μs
VINH = 150 mV p-p
4
ms
HILO GAIN RANGE INTERFACE (PIN HILO)
Logic Level to Select HI Gain Range
2.25
5
V
Logic Level to Select LO Gain Range
0
1.0
V
Input Resistance
50
kΩ
OUTPUT CLAMP INTERFACE (PIN RCLMP; HI OR
LO GAIN)
Accuracy
HILO = LO
RCLMP = 2.74 kΩ, VOUT = 1 V p-p (clamped)
±50
mV
HILO = HI
RCLMP = 2.21 kΩ, VOUT = 1 V p-p (clamped)
±75
mV
MODE INTERFACE (PIN MODE)
Logic Level for Positive Gain Slope
0
1.0
V
Logic Level for Negative Gain Slope
2.25
5
V
Input Resistance
200
kΩ
POWER SUPPLY (PIN VPS1, PIN VPS2,
PIN VPSV, PIN VPSL, PIN VPOS)
Supply Voltage
4.5
5.0
5.5
V
Quiescent Current per Channel
AD8331
20
25
mA
AD8332
22
27.5
32
mA
AD8334
24
29.5
34
Power Dissipation per Channel
No signal
AD8331
125
mW
AD8332, AD8334
138
mW
Power-Down Current
VGA and LNA disabled
AD8331
50
240
400
μA
AD8332
50
300
600
μA
AD8334
50
600
1200
μA
LNA Current
AD8331 (ENBL)
Each channel
7.5
11
15
mA
AD8332, AD8334 (ENBL)
Each channel
7.5
12
15
mA
VGA Current
AD8331 (ENBV)
7.5
14
20
mA
AD8332, AD8334 (ENBV)
7.5
17
20
mA
PSRR
VGAIN = 0 V, f = 100 kHz
−68
dB
1 All dBm values are referred to 50 Ω.
2 The absolute gain refers to the theoretical gain expression in Equation 1.
3 Best-fit to linear-in-dB curve.
4 The current is limited to ±1 mA typical.



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