AD8323ARU

更新时间： 2024-01-06 00:35:53

品牌	Logo	应用领域
亚德诺 - ADI		驱动器有线电视功率控制
页数	文件大小	规格书
16页	278K
描述
5 V CATV Line Driver Fine Step Output Power Control

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数据手册

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AD8323ARU 数据手册

(T_A= 25؇C, V_S= 5 V, R_L= R_IN= 75 ⍀, V_IN= 116 mV p-p, V_OUTmeasured through a 1:1

transformer¹with an insertion loss of 0.5 dB @ 10 MHz unless otherwise noted.)

AD8323–SPECIFICATIONS

Parameter

Conditions

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Specified AC Voltage

Noise Figure

Output = 60 dBmV, Max Gain

Max Gain, f = 10 MHz

Single-Ended Input

116

13.8

800

1600

mV p-p

Input Resistance

Ω

Differential Input

Ω

Input Capacitance

GAIN CONTROL INTERFACE

Gain Range

Maximum Gain

52.5

26.5

–27

53.5

27.5

–26

54.5

28.5

–25

Gain Code = 71 Dec

Gain Code = 0 Dec

Minimum Gain

Gain Scaling Factor

0.7526

dB/LSB

OUTPUT CHARACTERISTICS

Bandwidth (–3 dB)

Bandwidth Roll-Off

All Gain Codes

f = 65 MHz

100

1.3

MHz

Bandwidth Peaking

Output Noise Spectral Density

Max Gain, f = 10 MHz

–34

dBmV in

160 kHz

dBmV in

160 kHz

dBmV in

160 kHz

dBm

Min Gain, f = 10 MHz

–48

–68

Power-Down Mode, f = 10 MHz

1 dB Compression Point

Max Gain, f = 10 MHz

18.5

Differential Output Impedance

Power-Up and Power-Down

75 20%

Ω

OVERALL PERFORMANCE

Second Order Harmonic Distortion f = 21 MHz, P_OUT= 60 dBmV @ Max Gain

f = 42 MHz, P_OUT= 60 dBmV @ Max Gain

–77

–71

–64

–56

–55

–53

0.3

dBc

f = 65 MHz, P_OUT= 60 dBmV @ Max Gain

Third Order Harmonic Distortion

f = 21 MHz, P_OUT= 60 dBmV @ Max Gain

f = 42 MHz, P_OUT= 60 dBmV @ Max Gain

f = 65 MHz, P_OUT= 60 dBmV @ Max Gain

f = 10 MHz, Code to Code

Gain Linearity Error

Output Settling to 1 mV

Due to Gain Change

Due to Input Step Change

Signal Feedthrough

Min to Max Gain

Max Gain, V_IN= 0 V to 116 mV p-p

Max Gain, PD = 0, f = 42 MHz

–30

dBc

POWER CONTROL

Power-Up Settling Time to 1 mV

Max Gain, V_IN= 0

300

mV p-p

Power-Down Settling Time to 1 mV Max Gain, V_IN= 0

Between Burst Transients²

Equivalent Output = 31 dBmV

Equivalent Output = 60 dBmV

mV p-p

POWER SUPPLY

Operating Range

Quiescent Current

4.75

123

5.25

140

Power-Up Mode

Power-Down Mode

Sleep Mode

133

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. 0

123 4 5 6 7...16

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