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AD8331 Fiches technique(PDF) 6 Page - Analog Devices

No de pièce AD8331
Description  Ultralow Noise VGAs with Preamplifier and Programmable RIN
Download  40 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD8331 Fiches technique(HTML) 6 Page - Analog Devices

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AD8331/AD8332/AD8334
Rev. E | Page 6 of 40
Parameter
Conditions
Min
Typ
Max
Unit
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
Pin ENBL
40
Pin ENBV
70
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
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
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, AD8334
20
29
mA
Power Dissipation per channel
No signal
AD8331
125
mW
AD8332, AD8334
145
mW
Power-Down Current
AD8332 (VGA and LNA Disabled)
50
300
600
μA
AD8331 (VGA and LNA Disabled)
50
240
400
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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Description similaire - AD8331_06

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