AD8319ACPZ-WP

更新时间： 2024-09-27 04:30:59

品牌	Logo	应用领域
亚德诺 - ADI		控制器
页数	文件大小	规格书
20页	1282K
描述
1 MHz to 10 GHz, 40 dB Log Detector/Controller

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AD8319ACPZ-WP 数据手册

1 MHz to 10 GHz, 40 dB

Log Detector/Controller

AD8319

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Wide bandwidth: 1 MHz to 10 GHz

VPOS

TADJ

High accuracy: 1.0 dB over temperature

>40 dB dynamic range up to 8 GHz

Stability over temperature 0.5 dB

Low noise measurement/controller output VOUT

Pulse response time: 8/10 ns (fall/rise)

Small footprint 2 mm x 3 mm CSP package

Supply operation: 3.0V to 5.5V @ 22 mA

Fabricated using high speed SiGe process

GAIN

BIAS

SLOPE

VSET

VOUT

CLPF

DET

INHI

INLO

COMM

APPLICATIONS

Figure 1.

RF transmitter PA setpoint control and level monitoring

Power monitoring in radiolink transmitters

RSSI measurement in base stations, WLAN, WiMAX, radar

GENERAL DESCRIPTION

The feedback loop through an RF amplifier is closed via VOUT,

the output of which regulates the amplifier’s output to a

magnitude corresponding to V_SET. The AD8319 provides

0 V to (V_POS− 0.1 V) output capability at the VOUT pin,

suitable for controller applications. As a measurement device,

VOUT is externally connected to VSET to produce an output

voltage V_OUTthat is a decreasing linear-in-dB function of the RF

input signal amplitude.

The AD8319 is a demodulating logarithmic amplifier, capable

of accurately converting an RF input signal to a corresponding

decibel-scaled output. It employs the progressive compression

technique over a cascaded amplifier chain, each stage of which

is equipped with a detector cell. The device can be used in either

measurement or controller modes. The AD8319 maintains

accurate log conformance for signals of 1 MHz to 8 GHz and

provides useful operation to 10 GHz. The input dynamic range

is typically 40 dB (re: 50 Ω) with error less than ±1 dB. The

AD8319 has 8/10 ns response time (fall time/rise time) that

enables RF burst detection to a pulse rate of beyond 50 MHz.

The device provides unprecedented logarithmic intercept

stability vs. ambient temperature conditions. A supply of 3.0 V

to 5.5 V is required to power the device. Current consumption

is typically 22 mA, and it decreases to 200 μA when the device is

disabled.

The logarithmic slope is −22 mV/dB, determined by the VSET

interface. The intercept is +15 dBm (re: 50 Ω, CW input) using

the INHI input. These parameters are very stable against supply

and temperature variations.

The AD8319 is fabricated on a SiGe bipolar IC process and is

available in a 2 mm × 3 mm, 8-lead LFCSP_VD package for an

operating temperature range of –40^oC to +85^oC.

The AD8319 can be configured to provide a control voltage to

a power amplifier or a measurement output from the VOUT

pin. Because the output can be used for controller applications,

special attention has been paid to minimize wideband noise. In

this mode, the setpoint control voltage is applied to the VSET pin.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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AD8319ACPZ-WP 替代型号

型号	品牌	替代类型	描述	数据表
AD8319ACPZ-R7	ADI	类似代替	1 MHz to 10 GHz, 40 dB Log Detector/Controller
AD8319ACPZ-R2	ADI	类似代替	1 MHz to 10 GHz, 40 dB Log Detector/Controller

与AD8319ACPZ-WP相关器件

型号	品牌	获取价格	描述	数据表
AD8319-EVAL	ADI	获取价格	1 MHz to 10 GHz, 40 dB Log Detector/Controller
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AD831AP	ADI	获取价格	Low Distortion Mixer
AD831AP-REEL7	ROCHESTER	获取价格	RF/MICROWAVE DOUBLE BALANCED MIXER
AD831APZ	ADI	获取价格	Low Distortion Mixer
AD831APZ	ROCHESTER	获取价格	RF/MICROWAVE DOUBLE BALANCED MIXER, PLASTIC, LCC-20
AD831APZ-REEL7	ADI	获取价格	High-Performance, Low Distortion 500 MHz Mixer
AD8320	ADI	获取价格	Serial Digital Controlled Variable Gain Line Driver
AD8320ARP	ADI	获取价格	Serial Digital Controlled Variable Gain Line Driver
AD8320ARP-REEL	ADI	获取价格	IC SPECIALTY TELECOM CIRCUIT, PDSO20, SOIC-20, Telecom IC:Other

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