AD8333_15 Datasheet, PDF (11/32 Pages) Analog Devices – DC to 50 MHz, Dual I/Q Demodulator and Phase Shifter

Data Sheet
2.8
CHANNEL 1, I OUTPUT SHOWN
2.7 ^{TRANSCONDUCTANCE = [(VBB/787Ω)VRF]}
2.6
CODE 0000
2.5
CODE 0001
CODE 0010
CODE 0011
2.4
2.3
2.2
2.1
2.0
1M
10M
50M
RF FREQUENCY (Hz)
Figure 20. Transconductance vs. RF Frequency, First Quadrant
AD8333
10
GAIN = V_BB/V_RF
5
0
–5
+85°C
+25°C
–40°C
–10
–15
–20
–25
–30
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
COMMON-MODE VOLTAGE (V)
Figure 23. LO Common-Mode Range at Three Temperatures
10
0
f = 5MHz
–10
GAIN = V_BB/V_RF
–20
–30
CODE 0000
–40
CODE 0001
CODE 0010
CODE 0011
–50
–60
–70
–80
–20
–15
–10
–5
0
POWER (dBm)
Figure 21. Conversion Gain vs. LO Level, First Quadrant
20
18
16
14
12
10
8
6
4
2
0
1M
10M
50M
RF FREQUENCY (Hz)
Figure 24. IP1dB vs. RF Frequency, Baseband Frequency = 10 kHz,
First Quadrant (see Figure 42)
5
ALL CODES
0
–5
REGION OF USEABLE
LO LEVELS
–10
–15
–20
–25
–30
–35
–40
100k
1M
10M
100M
RF FREQUENCY (Hz)
Figure 22. Minimum LO Level vs. RF Frequency, Single-Ended,
Sine Wave LO Drive to Pin 4LOP or Pin 4LON
0
BOTH CHANNELS
–10
–7dBm
–20
–30
3 8 13 18
IM3 PRODUCTS
–40
LO = 5.023MHz
RF1 = 5.015MHz
–50
RF2 = 5.010MHz
–60
–70
–80
–90
1M
10M
50M
RF FREQUENCY (Hz)
Figure 25. Representative Range of IM3 vs. RF Frequency,
First Quadrant (see Figure 49)
Rev. E | Page 11 of 32