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参数资料
型号： AD8325ARU
厂商： ANALOG DEVICES INC
元件分类： 模拟信号调理
英文描述： 5 V CATV Line Driver Fine Step Output Power Control
中文描述： SPECIALTY ANALOG CIRCUIT, PDSO28
封装： TSSOP-28
文件页数： 2/16页
文件大小： 304K
代理商： AD8325ARU
REV. 0
–2–
AD8325–SPECIFICATIONS
(T
A
= 25 C, V
S
= 5 V, R
L
= 75 , V
IN
(differential) = 31 dBmV, V
OUT
measured through
a 1:1 transformer
1
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
Output = 61 dBmV, Max Gain
Max Gain, f = 10 MHz
Single-Ended Input
Differential Input
31
13.8
800
1600
2
dBmV
dB
pF
Input Capacitance
GAIN CONTROL INTERFACE
Gain Range
Maximum Gain
Minimum Gain
Gain Scaling Factor
58.45 59.45
29.2
–30.25 –29.45
60.45
30.8
–28.65
dB
dB
dB
dB/LSB
Gain Code = 79 Dec
Gain Code = 0 Dec
30.0
0.7526
OUTPUT CHARACTERISTICS
Bandwidth (–3 dB)
Bandwidth Roll-Off
Bandwidth Peaking
Output Noise Spectral Density
All Gain Codes
f = 65 MHz
f = 65 MHz
Max Gain, f = 10 MHz
100
1.6
0
–33
MHz
dB
dB
dBmV in
160 kHz
dBmV in
160 kHz
dBmV in
160 kHz
dBm
Min Gain, f = 10 MHz
–48
Transmit Disable Mode, f = 10 MHz
–68
1 dB Compression Point
Differential Output Impedance
Max Gain, f = 10 MHz
Transmit Enable and Transmit Disable Modes
18.5
75
±
20%
OVERALL PERFORMANCE
Second Order Harmonic Distortion
f = 21 MHz, V
OUT
= 61 dBmV @ Max Gain
f = 42 MHz, V
OUT
= 61 dBmV @ Max Gain
f = 65 MHz, V
OUT
= 61 dBmV @ Max Gain
f = 21 MHz, V
OUT
= 61 dBmV @ Max Gain
f = 42 MHz, V
OUT
= 61 dBmV @ Max Gain
f = 65 MHz, V
OUT
= 61 dBmV @ Max Gain
Adjacent Channel Width = Transmit Channel
Width = 160 K
SYM/SEC
f = 10 MHz, Code to Code
–70
–67
–60
–57
–55
–54
–53.8
dBc
dBc
dBc
dBc
dBc
dBc
dBc
Third Order Harmonic Distortion
Adjacent Channel Power
Gain Linearity Error
Output Settling
Due to Gain Change (T
GS
)
Due to Input Change
Isolation in Transmit Disable Mode
±
0.3
dB
Min to Max Gain
Max Gain, V
IN
= 31 dBmV
Max Gain, TXEN = 0 V, f = 42 MHz,
V
IN
= 31 dBmV
60
30
–33
ns
ns
dBc
POWER CONTROL
Transmit Enable Settling Time (T
ON
)
Transmit Disable Settling Time (T
OFF
) Max Gain, V
IN
= 0 V
Between Burst Transients
2
Max Gain, V
IN
= 0 V
300
40
3
50
ns
ns
mV p-p
mV p-p
Equivalent Output = 31 dBmV
Equivalent Output = 61 dBmV
POWER SUPPLY
Operating Range
Quiescent Current
4.75
123
30
2
5
133
35
4
5.25
140
10
7
V
mA
mA
mA
°
C
Transmit Enable Mode (TXEN = 1)
Transmit Disable Mode (TXEN = 0)
Sleep Mode
OPERATING TEMPERATURE
RANGE
–40
+85
NOTES
1
TOKO 617DB-A0070 used for above specifications. MACOM ETC-1-IT-15 can be substituted.
2
Between Burst Transients measured at the output of a 42 MHz diplexer.
Specifications subject to change without notice.
相关PDF资料
PDF描述
AD8325ARU-REEL 5 V CATV Line Driver Fine Step Output Power Control
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相关代理商/技术参数
参数描述
AD8325ARU-REEL 制造商:AD 制造商全称:Analog Devices 功能描述:5 V CATV Line Driver Fine Step Output Power Control
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