AD8331ARQZ Analog Devices Inc, AD8331ARQZ Datasheet - Page 12
![IC VGA SINGLE W/PREAMP 20-QSOP](/photos/7/2/70250/rq-20_sml.jpg)
AD8331ARQZ
Manufacturer Part Number
AD8331ARQZ
Description
IC VGA SINGLE W/PREAMP 20-QSOP
Manufacturer
Analog Devices Inc
Series
X-AMP®r
Type
Variable Gain Amplifierr
Datasheet
1.AD8331ARQZ.pdf
(56 pages)
Specifications of AD8331ARQZ
Design Resources
Interfacing the High Frequency AD8331 to AD9215 (CN0096)
Applications
Signal Processing
Mounting Type
Surface Mount
Package / Case
20-QSOP
No. Of Amplifiers
2
Bandwidth
120MHz
Gain Accuracy
2dB
No. Of Channels
1
Supply Voltage Range
4.5V To 5.5V
Amplifier Case Style
QSOP
No. Of Pins
20
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AD8331-EVALZ - BOARD EVAL FOR AD8331
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD8331ARQZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD8331/AD8332/AD8334
TYPICAL PERFORMANCE CHARACTERISTICS
T
−4.5 dB to +43.5 dB gain (HILO = LO), and differential output voltage, unless otherwise specified.
A
= 25°C, V
Figure 7. Gain vs. V
–0.5
–1.0
–1.5
–2.0
Figure 8. Absolute Gain Error vs. V
–0.5
–1.0
–1.5
–2.0
Figure 9. Absolute Gain Error vs. V
–10
2.0
1.5
1.0
0.5
2.0
1.5
1.0
0.5
60
50
40
30
20
10
0
0
0
0
0
0
S
= 5 V, R
1MHz
0.2
0.2
0.2
GAIN
ASCENDING GAIN MODE
DESCENDING GAIN MODE
(WHERE AVAILABLE)
10MHz
–40°C
L
and MODE (MODE Available on RU Package)
= 500 Ω, R
0.4
0.4
0.4
HILO = LO
HILO = HI
30MHz
50MHz
70MHz
V
V
V
GAIN
GAIN
GAIN
S
GAIN
GAIN
0.6
0.6
0.6
= R
(V)
(V)
(V)
at Three Temperatures
at Various Frequencies
IN
= 50 Ω, R
0.8
0.8
0.8
+25°C
+85°C
IZ
1.0
1.0
1.0
= 280 Ω, C
1.1
1.1
1.1
Rev. G | Page 12 of 56
SH
= 22 pF, f = 10 MHz, R
–10
–20
Figure 11. Gain Match Histogram for V
50
40
30
20
10
25
20
15
10
25
20
15
10
50
40
30
20
10
Figure 12. Frequency Response for Various Values of V
0
5
0
5
0
0
100k
–0.5
SAMPLE SIZE = 50 UNITS
V
V
SAMPLE SIZE = 80 UNITS
V
GAIN
GAIN
GAIN
–0.4
CLMP
= 0.2V
= 0.7V
= 0.5V
CHANNEL TO CHANNEL GAIN MATCH (dB)
–0.3
Figure 10. Gain Error Histogram
= ∞, C
1M
–0.2
L
= 1 pF, VCM pin floating,
GAIN ERROR (dB)
V
V
V
V
V
V
FREQUENCY (Hz)
–0.1
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
= 1V
= 0.8V
= 0.6V
= 0.4V
= 0.2V
= 0V
0
10M
0.1
GAIN
0.2
= 0.2 V and 0.7 V
100M
0.3
0.4
GAIN
500M
0.5