Skyworks AA107-310LF Gaas ic 5-bit digital attenuator with serial-to-parallel driver 300 khz-2 ghz Datasheet

DATA SHEET
AA107-310, AA107-310LF: GaAs IC 5-Bit Digital Attenuator
with Serial-to-Parallel Driver 300 kHz–2 GHz
●
●
●
●
●
QFN 5 x 5 (-310)
Positive voltage operation (5 V)
QFN 5 x 5 mm leadless package
Integrated silicon serial-to-parallel driver
Attenuation 0.5 dB steps to 15.5 dB
Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 °C
per JEDEC J-STD-020
VSS
NEW
Skyworks offers lead (Pb)-free, RoHS (Restriction of
Hazardous Substances)-compliant packaging.
J2
8 dB
SERDATAOUT
SERDATAIN
Description
The AA107-310 is a GaAs FET IC 5-bit digital attenuator with a
serial-to-parallel driver packaged in a 32-leadless exposed pad
plastic package. It is particularly suited at IF frequencies where high
attenuation accuracy, low insertion loss, and low intermodulation
products are required. Typical applications include base station,
wireless and RF data and wireless local loop gain control circuits.
VDD
LATCH Enable
CLOCKIN
4 dB
Serial-to-Parallel
Driver
Features
2 dB
1 dB
0.5 dB
Reset
J1
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200203 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • September 11, 2006
1
DATA SHEET • AA107-310, AA107-310LF
Electrical Specifications at 25 °C
VDD = 5 V, Z0 = 50 Ω, unless otherwise specified
Parameter
Condition
Insertion loss(1)
Typ.
Max.
Unit
300 kHz–1 GHz
Frequency
Min.
1.4
1.7
dB
300 kHz–2 GHz
1.7
2.2
dB
Attenuation range(2, 3)
Attenuation
15.5
accuracy(2, 3)
300 kHz–1 GHz
300 kHz–2 GHz
VSWR (I/O)
± (0.2 + 3% of
Attenuation Setting in dB)
± (0.4 + 3% of
Attenuation Setting in dB)
300 kHz–2 GHz
Switching characteristics
Rise, fall
On, off
Video feedthru
1.4:1
10/90% or 90/10% RF
50% CTL to 90/10% RF
TRISE = 1 ns, BW = 500 MHz
Input power for 1 dB compression
dB
dB
dB
1.8:1
50
100
50
ns
ns
mV
0.5–2 GHz
0.05 GHz
24
17
29
22
dBm
dBm
0.5–2 GHz
0.05 GHz
44
35
50
40
dBm
dBm
Symbol
Min.
Typ.
Input voltage high
VIH (1)
1.7
Input voltage low
VIL (0)
0
Intermodulation intercept point (IP3)
For two-tone input power 5 dBm
each tone
1. Insertion loss changes by 0.003 dB/°C.
2. Attenuation value referenced above insertion loss.
3. Exposed pad must be connected to RF ground to obtain specified attenuation.
DC Electrical Characteristics at 25 °C (VDD = 5 V)
Parameter
Max.
Unit
3.5
5
V
0.3
0.6
V
Input Leakage current
IL
±0.5
µA
Quiescent current
IDD
500
µA
Supply voltages
VDD
5
V
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
2
September 11, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200203 Rev. B
DATA SHEET • AA107-310, AA107-310LF
Typical Performance Data (VDD = 5 V)
1.5
0
1.4
VSWR
Loss (dB)
-0.5
-1.0
1.3
2 dB
15.5 dB
1.2
8 dB
-1.5
0.5 dB
1.1
4 dB
Ins. Loss
1.0
-2.0
0
0.5
1.0
1.5
2.0
0.5
1.0
1.5
Frequency (GHz)
Insertion Loss vs. Frequency
VSWR vs. Frequency
4 dB
Characteristic
Supply voltage (VDD)
8 dB
Input voltage (VI)
1 dB
Power dissipation (PD)
-0.4
15.5 dB
-0.6
Value
-0.5 to +6 V
-0.5 – VCC + 0.5 V
500 mW
Storage temperature (TST)
-65 °C to +150 °C
Operating temperature (TOP)
-40 °C to +85 °C
Performance is guaranteed only under the conditions listed in the specifications table and is
not guaranteed under the full range(s) described by the Absolute Maximum specifications.
Exceeding any of the absolute maximum/minimum specifications may result in permanent
damage to the device and will void the warranty.
-0.8
-1.0
0.5
0
1.0
1.5
2.0
Frequency (GHz)
Attenuation Accuracy vs. Frequency
Truth Table
Serial Data Input
1 dB
2 dB
4 dB
CAUTION: Although this device is designed to be as robust as
possible, ESD (Electrostatic Discharge) can damage
this device. This device must be protected at all times
from ESD. Static charges may easily produce potentials of several kilovolts on the human body or
equipment, which can discharge without detection.
Industry-standard ESD precautions must be employed
at all times.
8 dB
J1–J2
Attenuation
0
0
Insertion loss
0
0
0.5 dB
0
0
0
1 dB
Recommended Solder Reflow Profiles
0
1
0
0
2 dB
0
0
0
1
0
4 dB
Refer to the “Recommended Solder Reflow Profile”
Application Note.
0
0
0
0
1
8 dB
1
1
1
1
1
1
15.5 dB
0
X
X
X
X
X
Insertion loss
Reset
0.5 dB
1
0
0
0
1
1
0
0
1
0
1
1
0
1
1
VIL (0) = 0 to 0.5 V.
VIH (1) = 3.5 to 5 V.
X = Don’t Care.
2.0
Absolute Maximum Ratings
0.5 dB
2 dB
0
-0.2
0
Frequency (GHz)
0.2
Deviation from Nominal
Attenuation (dB)
1 dB
Tape and Reel Information
Refer to the “Discrete Devices and IC Switch/Attenuators
Tape and Reel Package Orientation” Application Note.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200203 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • September 11, 2006
3
DATA SHEET • AA107-310, AA107-310LF
Pin
Symbol
Surface Mount Land Pattern
Function
1
Serial data out
Serial data output
2–4
GND
Ground
5
J1
RF input/output
6–19
GND
Ground
20
J2
RF input/output
21–23
GND
Ground
24
RESET
Reset
25
LE
Latch enable
26
Serial data in
Serial data input
27
Clock In
Serial clock input
28
VSS
Low output voltage level
29
GND
Ground
30
C2
Charge pump capacitor
31
C1
Charge pump capacitor
32
VDD
Supply voltage
5 x 5 mm QFN 32-Lead
0.020 (0.50 mm)
0.013 (0.33 mm)
0.020
(0.50 mm)
0.122
(3.10 mm)
Sq.
0.020
(0.50 mm)
0.020 (0.50 mm)
Dimensions in inches (mm).
Timing Diagram
LE
T4
T1
SCK
SDA
T2
T3
Parameter
T5
Symbol
Min.
Typ.
LE setup time
T1
7.5
15
ns
SDA setup time
T2
7.5
15
ns
SDA hold time
T3
5
10
ns
LE hold time
T4
5
10
Clock frequency
fCLK
16
Clock period
T5
1/fCLK
Serial data (SDA) is shifted into the register on the rising edge of
the clock (SCK), least significant bit (LSB) first. The attenuator will
change states on the rising edge of the latch-enable (LE) signal,
according to the most recent 5 bits of shifted data accepted since
the previous falling edge of the LE signal.
Max.
ns
100
Power-up sequence:
0. Connect ground
1. Apply VDD
2. Set all inputs (SCK, SDA, LE)
Power-down sequence should be the reverse of above.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
4
Unit
September 11, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200203 Rev. B
MHz
DATA SHEET • AA107-310, AA107-310LF
QFN 5 x 5 (-310)
0.197 (5.00 mm) BSC
Pin 1
Indicator
0.039 (1.00 mm) Max.
0.187
(4.75 mm) BSC
32
0.001
(0.025 mm)
1
0.197
(5.00 mm)
BSC
0.187
(4.75 mm)
BSC
Seating
Plane
12˚ Max.
0.122 (3.10 mm)
± 0.006 (0.15 mm)
32
1
0.122 (3.10 mm)
± 0.006 (0.15 mm)
0.138
(3.50 mm) Ref.
0.019 (0.50 mm) BSC
0.138 (3.50 mm) Ref.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200203 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • September 11, 2006
5
DATA SHEET • AA107-310, AA107-310LF
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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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September 11, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200203 Rev. B
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