AD8317ACPZ-R7

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Series Information for AD8317ACPZ-R7 - Analog Devices

Features

  • feature
    Wide bandwidth: 1 MHz to 10 GHz High accuracy: u00b11.0 dB over temperature 55 dB dynamic range up to 8 GHz u00b1 3 dB error Stability over temperature: u00b10.5 dB Low noise measurement/controller output, VOUT Pulse response time: 6 ns/10 ns (fall/rise) Small footprint, 2 mm u00d7 3 mm LFCSP Supply operation: 3.0 V to 5.5 V at 22 mA Fabricated using high speed SiGe process
AD8317ACPZ-R7 image
RoHS Compliant

Description

LOG AMP 0.1-10GHZ 5.5V 8LFCSP

The AD8317 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 AD8317 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 55 dB (referenced to 50 Ω) with less than ±3 dB error. The AD8317 has 6 ns/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 AD8317 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. The feedback loop through an RF amplifier is closed via VOUT, the output of which regulates the output of the amplifier to a magnitude corresponding to VSET. The AD8317 provides 0 V to (VPOS − 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, VOUT, that is a decreasing linear-in-dB function of the RF input signal amplitude. The logarithmic slope is 22 mV/dB, determined by the VSET interface. The intercept is 15 dBm (referenced to 50 Ω, CW input) using the INHI input. These parameters are very stable against supply and temperature variations. The AD8317 is fabricated on a SiGe bipolar IC process and is available in a 2 mm × 3 mm, 8-lead LFCSP with an operating temperature range of −40°C to +85°C.

Specifications

No. of Amplifiers:
1 Amplifier, 1Amplifiers
Dynamic Range:
55 dB
Scale Factor:
-
Response Time:
20ns
Amplifier Case Style:
LFCSP
No. of Pins:
8Pins
Supply Voltage Range:
3V to 5.5V
Input Offset Voltage:
350mV
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
AD8317 Series
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Amplifer Supply Voltage:
3V to 5.5V
Dynamic Range Decades:
55
Operating Temperature Range:
-40°C to +85°C
Supply Current:
22mA

Alternate Descriptions

Newark Electronics
LOG AMP, 0.1-10GHZ, 5.5V, 8LFCSP; No. of Amplifiers:1 Amplifier; Dynamic Range:55 dB; Scale Factor:-; Response Time:20ns; Amplifier Case Style:LFCSP; No. of Pins:8Pins; Supply Voltage Range:3V to 5.5V; Input Offset Voltage:350mV; RoHS Compliant: Yes
Richardson RFPD
DETECTOR/CONTROLLER

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