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AD8338ACPZ-R7 数据表(PDF) 3 Page - Analog Devices

部件名 AD8338ACPZ-R7
功能描述  Low Power, 18 MHz Variable Gain Amplifier
PDF  19 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8338ACPZ-R7 数据表(HTML) 3 Page - Analog Devices

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Data Sheet
AD8338
Rev. B | Page 3 of 19
SPECIFICATIONS
AC SPECIFICATIONS
VBAT = 3.0 V, TA = 25°C, CL = 2 pF on OUTP and OUTM, RL = ∞, MODE pin high, RIN = 2 × 500 Ω, VGAIN = 0.6 V, differential operation,
unless otherwise noted.
Table 1.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT INTERFACE
INPD, INMD, INPR, and INMR pins
Input Voltage Range
3
V p-p
−3 dB Bandwidth
18
MHz
Input Resistance
Standard configuration using the INPR and
INMR inputs
0.8
1
1.2
kΩ
Input Capacitance
2
pF
OUTPUT INTERFACE
OUTP and OUTM pins
Small Signal Bandwidth
VGAIN = 0.6 V
18
MHz
Peak Slew Rate
VGAIN = 0.6 V
50
V/µs
Peak-to-Peak Output Swing
Single-ended
0.7
V p-p
Differential
1.4
V p-p
Difference output swing
2.8
V p-p
Common-Mode Voltage
1.5
V
Input-Referred Voltage Noise
Using Internal Resistors
VGAIN = 1.1 V
4.5
nV/√Hz
VGAIN = 0.6 V
15
nV/√Hz
VGAIN = 0.1 V
150
nV/√Hz
Using External 47 Ω Resistors
VGAIN = 1.1 V
1.5
nV/√Hz
Offset Voltage
RTO, VGAIN = 0.1 V, offset null enabled
−10
+10
mV
RTO, VGAIN = 0.6 V, offset null enabled
−10
+10
mV
RTO, VGAIN = 0.1 V, offset null disabled
−50
+50
mV
RTO, VGAIN = 0.6 V, offset null disabled
−200
+200
mV
POWER SUPPLY
VBAT
3.0
5.0
V
IVBAT
Minimum gain, VGAIN = 0.1 V
6.0
8.0
mA
Mid gain, VGAIN = 0.6 V
3.0
3.8
mA
Maximum gain, VGAIN = 1.1 V
4.5
6.0
mA
GAIN CONTROL
Gain Range
Standard configuration using the INPR and
INMR inputs
0
80
dB
Gain Span
80
dB
Gain Voltage (VGAIN)
VGAIN relative to COMM
0.1
1.1
V
Gain Slope
77
80
83
dB/V
12
12.5
13
mV/dB
Gain Accuracy
Standard configuration using the INPR and
INMR inputs; 0.1 V < VGAIN < 1.1 V
−2
+0.5
+2
dB
VREF REFERENCE OUTPUT
Output Voltage
1.5
V
Output Current
5
mA
Accuracy
2
%
DETO OUTPUT CURRENT
±10
µA
MODE INPUT
Logic High
2.5
VBAT
V
Logic Low
COMM
0.6
V
AGC CONTROL
MODE = 0 V
Maximum Target Amplitude
Expected rms output value for target =
VAGC − VREF = 1.0 V
1.0
V rms



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