AD8318ACPZ-REEL7 Analog Devices Inc, AD8318ACPZ-REEL7 Datasheet - Page 10

• Manufacturer Part Number: AD8318ACPZ-REEL7
• Description: IC, LOGARITHMIC AMP, 12NS, LFCSP-16
• Manufacturer: Analog Devices Inc

Specifications of AD8318ACPZ-REEL7

• No. Of Amplifiers: 1
• Dynamic Range, Decades: 70
• Response Time: 12ns
• Supply Voltage Range: 4.5V To 5.5V
• Amplifier Case Style: LFCSP
• No. Of Pins: 16
• Supply Current: 68mA
• Design Resources: Stable, Closed-Loop Automatic Power Control for RF Appls (CN0050) Software Calibrated, 1 MHz to 8 GHz, 70 dB RF Power Measurement System Using AD8318 (CN0150)
• Frequency: 1MHz ~ 8GHz
• Rf Type: RADAR, 802.11/Wi-Fi, 8.2.16/WiMax, Wireless LAN
• Input Range: -60dBm ~ -2dBm
• Accuracy: ±1dB
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 68mA
• Package / Case: 16-VQFN, CSP Exposed Pad
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AD8318ACPZ-REEL7; AD8318ACPZ-REEL7TR

AD8318
Figure 18. VOUT Pulse Response Time; Pulsed RF Input 0.1 GHz, –10 dBm;
Figure 16. Input Impedance vs. Frequency; No Termination Resistor on
START FREQUENCY = 0.1GHz
STOP FREQUENCY = 8GHz
0.07
0.06
0.05
0.04
0.03
0.02
0.01
–j0.2
0
j0.2
1.4
0
DECREASING V
VOUT
GND
Figure 17. Supply Current vs. Enable Voltage
–j0.5
j0.5
0.2
8GHz
20ns PER HORIZONTAL DIVISION
1.5
200mV/VERTICAL
ENBL
INHI, Z
CLPF = Open
DIVISION
0.5
5.8GHz
V
ENBL
O
= 50 Ω
1.6
–j1
j1
3.6GHz
PULSED RF INPUT 0.1GHz,
–10dBm
(V)
1
INCREASING V
2.2GHz
1.7
2
1.9GHz
ENBL
0.9GHz
–j2
j2
0.1GHz
1.8
Rev. B | Page 10 of 24
Figure 20. Noise Spectral Density of Output Buffer (from CLPF to VOUT);
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
Figure 21. Output Voltage Stability vs. Supply Voltage at 1.9 GHz
10k
100
100
–65
1k
10
1k
10
Figure 19. Noise Spectral Density of Output; CLPF = Open
1
1
–55
When VP Varies by 10%, Multiple Devices
3
3
–45
10
10
–35
FREQUENCY (kHz)
FREQUENCY (kHz)
CLPF = 0.1 μF
30
30
P
IN
–25
(dBm)
100
100
–10dBm
–15
–20dBm
300
300
–5
0dBm
1k
1k
–40dBm
RF OFF
3k
3k
5
–60dBm
10k
10k
15
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
–1.2
–1.6
–2.0