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MAX2027 Datasheet

  • MAX2027

  • IF Digitally Controlled Variable-Gain Amplifier

  • 1618.94KB

  • Maxim   Maxim

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19-2601; Rev 0; 10/02
IF Digitally Controlled Variable-Gain Amplifier
General Description
The MAX2027 high-performance, digitally controlled
variable-gain amplifier is designed for use from 50MHz
to 400MHz.
The device integrates a digitally controlled attenuator
and a high-linearity IF amplifier in one package.
Targeted for IF signal chains to adjust gain either
dynamically or as a one-time channel gain setting, the
MAX2027 is ideal for applications requiring high perfor-
mance. The attenuator provides 23dB of attenuation
range with 鹵0.2dB accuracy.
The MAX2027 is available in a thermally enhanced 20-
pin TSSOP-EP package and operates over the -40擄C to
+85擄C temperature range.
PART
MAX2027EUP-T
Features
o
50MHz to 400MHz Frequency Range
o
Variable Gain: -8dB to +15dB
o
Output IP3: 40dBm (at All Gain Settings and
50MHz)
o
Noise Figure: 4.7dB at Maximum Gain
o
Digitally Controlled Gain with 1dB Resolution and
鹵0.2dB Accuracy
MAX2027
Ordering Information
TEMP RANGE
-40擄C to +85擄C
PIN-PACKAGE
20 TSSOP-EP*
*EP
= exposed pad.
Applications
Cellular Base Stations
Receiver Gain Control
Transmitter Gain Control
Broadband Systems
Automatic Test Equipment
Terrestrial Links
V
CC
RF_IN
GND
GND
B4
B3
B2
B1
2
3
4
5
6
7
8
9
V
CC
1
Pin Configuration/
Functional Diagram
20 GND
MAX2027
19 GND
18 ATTN
OUT
17 GND
16 GND
15 AMP
IN
ATTENUATION
LOGIC
CONTROL
AMP
BIAS
14 I
BIAS
13 I
SET
12 RF_OUT
11 V
CC
B0 10
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.

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