max2027euptd Maxim Integrated Products, Inc., max2027euptd Datasheet

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max2027euptd

Manufacturer Part Number
max2027euptd
Description
Max2027 If Digitally Controlled Variable-gain Amplifier
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX2027EUPTD.pdf (10 pages)
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 ±0.05dB state-to-state accuracy.
The MAX2027 is available in a thermally enhanced 20-
pin TSSOP-EP package and operates over the -40°C to
+85°C temperature range.
19-2601; Rev 1; 2/04
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
IF Digitally Controlled Variable-Gain Amplifier
Cellular Base Stations
Receiver Gain Control
Transmitter Gain Control
Broadband Systems
Automatic Test Equipment
Terrestrial Links
________________________________________________________________ Maxim Integrated Products
General Description
Applications
*EP = exposed pad.
MAX2027EUP-T
50MHz to 400MHz Frequency Range
Variable Gain: -8dB to +15dB
Output IP3: 35dBm (at All Gain Settings)
Noise Figure: 4.7dB at Maximum Gain
Digitally Controlled Gain with 1dB Resolution and
±0.05dB State-to-State Accuracy
PART
RF_IN
GND
GND
V
V
CC
CC
B4
B3
B2
B1
B0
10
1
2
3
4
5
6
7
8
9
ATTENUATION
-40°C to +85°C
TEMP RANGE
CONTROL
Ordering Information
LOGIC
Functional Diagram
Pin Configuration/
MAX2027
AMP
BIAS
PIN-PACKAGE
20 TSSOP-EP*
20
19
18
17
16
15
14
13
12
11
Features
GND
GND
ATTN
GND
GND
AMP
I
I
RF_OUT
V
BIAS
SET
CC
IN
OUT
1

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max2027euptd Summary of contents

Page 1

Rev 1; 2/04 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 ...

Page 2

IF Digitally Controlled Variable-Gain Amplifier ABSOLUTE MAXIMUM RATINGS All Pins Input Voltage (except AMP , I IN BIAS to GND................................................................-0.3V to +5.5V Input Voltage Levels (B0–B4).....................-0. Input Voltage Levels (AMP and I )................-0.3V to +1.5V IN BIAS Input ...

Page 3

IF Digitally Controlled Variable-Gain Amplifier AC ELECTRICAL CHARACTERISTICS (Typical application circuit without matching, V 825Ω 5dBm 50MHz, 50Ω RF system impedance. Typical values are at V OUT IN noted.) (Notes 1, 2) PARAMETER SYMBOL Frequency Range ...

Page 4

IF Digitally Controlled Variable-Gain Amplifier (Typical application circuit 5.0V, max gain ( 0 otherwise noted.) SUPPLY CURRENT vs. TEMPERATURE 5. ...

Page 5

IF Digitally Controlled Variable-Gain Amplifier (Typical application circuit 5.0V, max gain ( 0 otherwise noted.) ATTENUATION ABSOLUTE ACCURACY (ALL STATES) 1.0 0.8 0.6 0.4 0.2 0 -0.2 ...

Page 6

IF Digitally Controlled Variable-Gain Amplifier (Typical application circuit 5.0V, max gain ( 0 otherwise noted.) INPUT IP3 vs. ATTENUATION STATE 5dBm RF1 ...

Page 7

IF Digitally Controlled Variable-Gain Amplifier PIN NAME Power Supply. Bypass to GND with capacitors as close to the pin as possible as shown in the typical application circuit (Figure 1). Signal Input. See the typical ...

Page 8

IF Digitally Controlled Variable-Gain Amplifier CONTROL INPUTS *OPTIONAL COMPONENTS: USE TO IMPROVE HIGHER FREQUENCY MATCHING Figure 1. Typical Application Circuit Fixed-Gain Amplifier The MAX2027 integrates ...

Page 9

IF Digitally Controlled Variable-Gain Amplifier Table 3. Attenuation Setting vs. Gain- Control Bits B4 B3* ATTENUATION (dB) (16dB) (8dB ...

Page 10

IF Digitally Controlled Variable-Gain Amplifier (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) Maxim cannot assume responsibility for use of any circuitry other than circuitry ...

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