參數(shù)資料
型號: AD8328ACP-REEL
廠商: ANALOG DEVICES INC
元件分類: 通用總線功能
英文描述: 5 V Upstream Cable Line Driver
中文描述: LINE DRIVER, QCC20
封裝: LFCSP-20
文件頁數(shù): 2/16頁
文件大小: 542K
代理商: AD8328ACP-REEL
REV. 0
–2–
AD8328
–SPECIFICATIONS
Parameter
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Specified AC Voltage
Input Resistance
Output = 60 dBmV, Max Gain
Single-Ended Input
Differential Input
29
800
1600
2
dBmV
pF
Input Capacitance
GAIN CONTROL INTERFACE
Voltage Gain Range
Max Gain
Min Gain
Output Step Size
Output Step Size Temperature
Coefficient
58
30.5
28.5
0.6
59.0
31.5
27.5
1.0
±
0.0005
60
32.5
26.5
1.4
dB
dB
dB
dB/LSB
dB/
°
C
Gain Code = 60 Dec
Gain Code = 1 Dec
T
A
=
40
°
C to +85
°
C
OUTPUT CHARACTERISTICS
Bandwidth (
3 dB)
Bandwidth Roll-Off
1 dB Compression Point
2
All Gain Codes (1
60 Decimal Codes)
f = 65 MHz
Max Gain, f = 10 MHz, Output Referred
Min Gain, f = 10 MHz, Input Referred
107
1.2
18.4
3.3
MHz
dB
dBm
dBm
17.9
2.2
Output Noise
2
Max Gain
Min Gain
Transmit Disable
Noise Figure
2
Max Gain
Differential Output Impedance
f = 10 MHz
f = 10 MHz
f = 10 MHz
135
1.2
1.1
151
1.3
1.2
nV/
Hz
nV/
Hz
nV/
Hz
f = 10 MHz
TX Enable and TX Disable
16.7
75
±
30%
3
17.7
dB
OVERALL PERFORMANCE
Second-Order Harmonic Distortion
4, 5
f = 33 MHz, V
OUT
= 60 dBmV @ Max Gain
f = 65 MHz, V
OUT
= 60 dBmV @ Max Gain
f = 21 MHz, V
OUT
= 60 dBmV @ Max Gain
f = 65 MHz, V
OUT
= 60 dBmV @ Max Gain
67
61
57.5
54
58
85
56
55
56
52.5
56
81
dBc
dBc
dBc
dBc
dBc
dB
Third-Order Harmonic Distortion
4, 5
ACPR
2, 6
Isolation (Transmit Disable)
2
Max Gain, f = 65 MHz
POWER CONTROL
TX Enable Settling Time
TX Disable Settling Time
Output Switching Transients
2
Max Gain, V
IN
= 0
Max Gain, V
IN
= 0
Equivalent Output = 31 dBmV
Equivalent Output = 61 dBmV
2.5
3.8
2.5
16
μ
s
μ
s
mV p-p
mV p-p
6
54
Output Settling
Due to Gain Change
Due to Input Step Change
Min to Max Gain
Max Gain, V
IN
= 29 dBmV
60
30
ns
ns
POWER SUPPLY
Operating Range
Quiescent Current
4.75
98
18
1
1
5
120
26
2.6
20
5.25
140
34
3.5
100
V
mA
mA
mA
μ
A
Max Gain
Min Gain
Transmit Disable (TXEN = 0)
SLEEP
Mode (Power-Down)
OPERATING TEMPERATURE
RANGE
40
+85
°
C
NOTES
1
TOKO 458PT-1087 used for above specifications. Typical insertion loss of 0.3 dB @ 10 MHz.
2
Guaranteed by design and characterization to
±
4 sigma for T
A
= 25
°
C.
3
Measured through a 2:1 transformer.
4
Specification is worst case over all gain codes.
5
Guaranteed by design and characterization to
±
3 sigma for T
A
= 25
°
C.
6
V
IN
= 29 dBmV, QPSK modulation, 160 KSPS symbol rate.
(T
A
= 25 C, V
S
= 5 V, R
L
= R
IN
= 75 , V
IN
(Differential) = 29 dBmV.
The AD8328 is characterized using a 2:1 transformer
1
at the device output.)
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