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AD8322 Datasheet(PDF) 2 Page - Analog Devices

Part No. AD8322
Description  5 V CATV Line Driver Coarse Step Output Power Control
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD8322 Datasheet(HTML) 2 Page - Analog Devices

 
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REV. 0
–2–
AD8322–SPECIFICATIONS
(TA = 25 C, VS = 5 V, RL = RIN = 75
, VIN = 92 mV p-p differential, VOUT measured through
a 1:1 transformer1 with insertion loss of 0.5 dB @ 10 MHz unless otherwise noted)
Parameter
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Specified AC Voltage
POUT = 60 dBmV, Max Gain
92
mV p-p
Noise Figure
Max Gain, f = 10 MHz
11.8
dB
Input Resistance
Single-Ended Input
210
Differential Input
235
Input Capacitance
2pF
GAIN CONTROL INTERFACE
Gain Range
41.0
42.14
43.2
dB
Maximum Gain
Gain Code = 1xxxxxxx
27.5
29.5
31.5
dB
Minimum Gain
Gain Code = 00000001
–14.64 –12.64
–10.64
dB
Gain Scaling Factor
6.02
dB/Major Carry
OUTPUT CHARACTERISTICS
Bandwidth (–3 dB)
All Gain Codes
180
MHz
Bandwidth Roll-Off
f = 65 MHz
0.25
dB
Bandwidth Peaking
f = 65 MHz
0.05
dB
Output Noise
Max Gain, f = 10 MHz
–32
dBmV in 160 kHz BW
Min Gain, f = 10 MHz
–46
dBmV in 160 kHz BW
Power-Down Mode, f = 10 MHz
–68
dBmV in 160 kHz BW
1 dB Compression Point
Max Gain, f = 10 MHz
19
dBm
Differential Output Impedance
Power-Up and Power-Down
75
± 20%
OVERALL PERFORMANCE
Second Order Harmonic Distortion
2
f = 5 MHz, POUT = 60 dBmV @ Max Gain
–64
dBc
f = 14 MHz, POUT = 60 dBmV @ Max Gain
–60
dBc
f = 21 MHz, POUT = 60 dBmV @ Max Gain
–58
dBc
f = 32 MHz, POUT = 60 dBmV @ Max Gain
–57
dBc
f = 42 MHz, POUT = 60 dBmV @ Max Gain
–56
dBc
f = 65 MHz, POUT = 60 dBmV @ Max Gain
–52
dBc
Third Order Harmonic Distortion
f = 5 MHz, POUT = 60 dBmV @ Max Gain
–67
dBc
f = 14 MHz, POUT = 60 dBmV @ Max Gain
–64
dBc
f = 21 MHz, POUT = 60 dBmV @ Max Gain
–61
dBc
f = 32 MHz, POUT = 60 dBmV @ Max Gain
–58
dBc
f = 42 MHz, POUT = 60 dBmV @ Max Gain
–56
dBc
f = 65 MHz, POUT = 60 dBmV @ Max Gain
–53
dBc
Gain Linearity Error
f = 10 MHz, Code to Code
±0.2
dB
Output Settling to 1 mV
Due to Gain Change
Min to Max Gain
60
ns
Due to Input Change
Max Gain, VIN = 0 V to 0.09 V p-p
30
ns
Signal Feedthrough
Max Gain, Power-Down, f = 42 MHz,
–24
dBc
VIN = 0.09 V p-p
POWER CONTROL
Power-Up Settling Time to 1 mV
Max Gain, VIN = 0
300
ns
Power-Down Settling Time to 1 mV
Max Gain, VIN = 0
40
ns
Between Burst Transients
3
Equivalent POUT = 17.6 to 35.67 dBmV
3
mV p-p
Equivalent POUT = 60 dBmV
16
mV p-p
POWER SUPPLY
Operating Range
4.75
5
5.25
V
Quiescent Current
Power-Up Mode
100
113
126
mA
Power-Down Mode
44
54
60
mA
OPERATING TEMPERATURE
–40
+85
°C
RANGE
NOTES
1TOKO # 617 DB-A0070 used for above specifications. MACOM ETC-1-IT-15 can be substituted.
2All distortion measurements taken with differential input signal and represent worst distortion across all gain codes.
3Between burst transients measured at the output of PULSE B5008 42 MHz diplexer.
Specifications subject to change without notice.


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