AD8325 데이터 시트보기 (PDF) - Analog Devices
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AD8325 Datasheet PDF : 16 Pages
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AD8325–SPECIFICATIONS (TA = 25�C, VS = 5 V, RL = 75 �, VIN (differential) = 31 dBmV, VOUT measured through
a 1:1 transformer1 with an insertion loss of 0.5 dB @ 10 MHz unless otherwise noted.)
Parameter
Conditions
Min Typ
Max Unit
INPUT CHARACTERISTICS
Specified AC Voltage
Noise Figure
Input Resistance
Input Capacitance
Output = 61 dBmV, Max Gain
Max Gain, f = 10 MHz
Single-Ended Input
Differential Input
31
13.8
800
1600
2
dBmV
dB
W
W
pF
GAIN CONTROL INTERFACE
Gain Range
Maximum Gain
Minimum Gain
Gain Scaling Factor
Gain Code = 79 Dec
Gain Code = 0 Dec
58.45 59.45
29.2 30.0
–30.25 –29.45
0.7526
60.45
30.8
–28.65
dB
dB
dB
dB/LSB
OUTPUT CHARACTERISTICS
Bandwidth (–3 dB)
Bandwidth Roll-Off
Bandwidth Peaking
Output Noise Spectral Density
1 dB Compression Point
Differential Output Impedance
All Gain Codes
f = 65 MHz
f = 65 MHz
Max Gain, f = 10 MHz
Min Gain, f = 10 MHz
Transmit Disable Mode, f = 10 MHz
Max Gain, f = 10 MHz
Transmit Enable and Transmit Disable Modes
100
1.6
0
–33
–48
–68
18.5
75 ± 20%
MHz
dB
dB
dBmV in
160 kHz
dBmV in
160 kHz
dBmV in
160 kHz
dBm
W
OVERALL PERFORMANCE
Second Order Harmonic Distortion
Third Order Harmonic Distortion
Adjacent Channel Power
Gain Linearity Error
Output Settling
Due to Gain Change (TGS)
Due to Input Change
Isolation in Transmit Disable Mode
f = 21 MHz, VOUT = 61 dBmV @ Max Gain
f = 42 MHz, VOUT = 61 dBmV @ Max Gain
f = 65 MHz, VOUT = 61 dBmV @ Max Gain
f = 21 MHz, VOUT = 61 dBmV @ Max Gain
f = 42 MHz, VOUT = 61 dBmV @ Max Gain
f = 65 MHz, VOUT = 61 dBmV @ Max Gain
Adjacent Channel Width = Transmit Channel
Width = 160 KSYM/SEC
f = 10 MHz, Code to Code
Min to Max Gain
Max Gain, VIN = 31 dBmV
Max Gain, TXEN = 0 V, f = 42 MHz,
VIN = 31 dBmV
POWER CONTROL
Transmit Enable Settling Time (TON)
Transmit Disable Settling Time (TOFF)
Between Burst Transients2
Max Gain, VIN = 0 V
Max Gain, VIN = 0 V
Equivalent Output = 31 dBmV
Equivalent Output = 61 dBmV
–70
–67
–60
–57
–55
–54
–53.8
± 0.3
60
30
–33
300
40
3
50
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dB
ns
ns
dBc
ns
ns
mV p-p
mV p-p
POWER SUPPLY
Operating Range
Quiescent Current
Transmit Enable Mode (TXEN = 1)
Transmit Disable Mode (TXEN = 0)
Sleep Mode
4.75 5
123 133
30 35
2
4
5.25 V
140 mA
10
mA
7
mA
OPERATING TEMPERATURE
RANGE
–40
+85 ∞C
NOTES
1TOKO 617DB-A0070 used for above specifications. MACOM ETC-1-IT-15 can be substituted.
2Between Burst Transients measured at the output of a 42 MHz diplexer.
Specifications subject to change without notice.
–2–
REV. A
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