MAAD-011021 Datasheet, PDF (1/8 Pages) M/A-COM Technology Solutions, Inc. – Digital Attenuator

MAAD-011021
Digital Attenuator, 6-Bit, 0.5 dB LSB step
DC - 30 GHz
Features
 6-bit, 0.5 dB LSB, 31.5 dB range
 DC to 30 GHz operation
 Integrated TTL 0/+5V control
 +/- 0.5 dB typical bit error
 Low RMS phase 4.3° @ 20 GHz
 Lead-Free 3 mm 16-lead PQFN package
 ESD protection for all controls and bias
Description
The MAAD-011021 is a wide band 6-bit digital
attenuator covering DC to 30 GHz. The attenuation
bit-values are 0.5 dB LSB (least significant bit), 1, 2,
4, 8, and 16 dB for a total attenuation of 31.5 dB.
Attenuation error is typically less than +/- 0.5 dB,
RMS phase error is less than 5 degrees at 20 GHz,
and typical insertion loss is 7.2 dB at 15 GHz.
Return loss is typically 12 dB across all frequencies
and attenuation states.
The attenuator integrates an inverter to allow a
single control for series/shunt attenuation. Inverter
requires a -5 V supply (V_CC) and 17 mA typical, logic
is 0 V / +5 V.
The device is also available as bare die; order part
number MAAD-011021-000DIE.
Ordering Information^1,2
Part Number
Package
MAAD-011021-TR0500
500 piece reel
MAAD-011021-SMB
Sample Board
1. Reference Application Note M513 for reel size information.
2. All sample boards include 3 loose parts.
Functional Schematic
Rev. V1
Pin Configuration³
Pin No. Function Pin No. Function
1
Ground
9
V6 (16 dB)
2
RF Input
10
Ground
3
Ground
11
RF Output
4
V1 (0.5 dB)
12
Ground
5
V2 (1 dB)
13
No Connection
6
V3 (2 dB)
14
No Connection
7
V4 (4 dB)
15
V_CC -5 V Bias
8
V5 (8 dB)
16
No Connection
17
Pad⁴
3. MACOM recommends connecting unused package pins to
ground.
4. The exposed pad centered on the package bottom must be
connected to RF, DC and thermal ground.
* Restrictions on Hazardous Substances, European Union Directive 2011/65/EU.
1
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