HMC680LP4
/
680LP4E
v03.0609
BiCMOS MMIC 5-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 30 - 400 MHz
Typical Applications
The HMC680LP4(E) is ideal for:
• Cellular/3G Infrastructure
• WiBro / WiMAX / 4G
• Microwave Radio & VSAT
• Test Equipment and Sensors
• IF & RF Applications
Features
TTL/CMOS compatible parallel or latched
parallel control interface
High Output IP3: +40 dBm (At all gain settings)
Low Noise Figure: 5 dB
Wide Gain Control Range: 23 dB
24 Lead 4x4 mm SMT Package: 16 mm
2
Excellent State & Step Accuracy (±0.05 dB)
Functional Diagram
General Description
The HMC680LP4(E) is a digitally controlled variable
gain amplifier which operates from 30 to 400 MHz,
and can be programmed to provide -4 dB to +19 dB of
gain, in 1 dB steps. The HMC680LP4(E) delivers noise
figure of 5 dB in its maximum gain state, with output
IP3 of up to +40 dBm in any state. This high linearity
DVGA also provides a differential RF output which can
be used to interface directly with SAW filters in Tx and
Rx applications, and with digital to analog converters
in Rx chains. The HMC680LP4(E) is housed in a
RoHS compliant 4x4 mm QFN leadless package, and
is CMOS/ TTL compatible.
13
VARIABLE GAIN AMPLIFIERS - DIGITAL - SMT
Electrical Specifi cations,
T
A
= +25° C, 50 Ohm System, Vdd = +5V
Parameter
Frequency Range
Gain (Maximum Gain State)
Gain Control Range
Input Return Loss
Output Return Loss
Gain Accuracy: (Referenced to Maximum Gain State) All Gain States
Output Power for 1dB Compression
Output Third Order Intercept Point (Two-Tone Output Power= +5 dBm Each Tone)
[1]
Output Second Order Intercept Point (Two-Tone Output Power= +5 dBm Each Tone)
[1]
Harmonics
Step Accuracy (Referenced to Maximum Gain State)
Noise Figure (max gain state)
Switching Characteristics
Control Supply Current Idd
Amp Supply Current (RFOUTP)
Amp Supply Current (RFOUTN)
[1] Test frequency 50 MHz
tRise, tFall (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
2nd Order
3rd Order
17
Min.
Typ.
30 - 400
19
23
12
13
± (0.15 + 3% of Gain Setting) Max.
23
25
40
65
70
75
±0.2
5
11
13
4
122
122
Max.
Units
MHz
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBc
dBc
dB
dB
ns
ns
mA
mA
mA
5
135
135
13 - 58
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC680LP4 / 680LP4E
v03.0609
BiCMOS MMIC 5-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 30 - 400 MHz
Normalized Attenuation
Maximum Gain vs. Frequency
25
NORMALIZED ATTENUATION (dB)
(Only Major States are Shown)
0
-5
-10
8 dB
20
GAIN (dB)
15
+25 C
+85 C
-40 C
-15
-20
-25
-30
-35
23 dB
16 dB
10
5
0
0
0.1
0.2
0.3
0.4
0.5
0.6
FREQUENCY (GHz)
0
0.1
0.2
0.3
0.4
0.5
0.6
FREQUENCY (GHz)
13
VARIABLE GAIN AMPLIFIERS - DIGITAL - SMT
Input Return Loss
(Only Major States are Shown)
0
-5
RETURN LOSS (dB)
-10
-15
-20
-25
-30
Maximum Attenuation
I.L
Output Return Loss
(Only Major States are Shown)
0
-5
RETURN LOSS (dB)
-10
-15
Maximum Attenuation
I.L
-20
-25
-30
-35
-40
0
0.1
0.2
0.3
0.4
0.5
0.6
FREQUENCY (GHz)
0
0.1
0.2
0.3
0.4
0.5
0.6
FREQUENCY (GHz)
Bit Error vs. Frequency
(Only Major States are Shown)
2
1.5
1
BIT ERROR (dB)
1, 2, 4, 8, 16 dB
Bit Error vs. Attenuation State
5
4
3
Bit Error < 1dB, 400MHz And Below
0.5
0
-0.5
-1
23 dB
BIT ERROR (dB)
2
1
0
-1
-2
-3
-4
-5
30MHz
600MHz
Bit Error > 1dB, 450MHz And Above
-1.5
-2
0
0.1
0.2
0.3
0.4
0.5
0.6
FREQUENCY (GHz)
0
4
8
12
16
20
24
ATTENUATION STATE (dB)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
13 - 5
HMC680LP4 / 680LP4E
v03.0609
BiCMOS MMIC 5-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 30 - 400 MHz
Relative Phase vs. Frequency
Step Accuracy vs. Frequency
2
1.5
STEP ERROR (dB)
1
0.5
0
-0.5
-1
-1.5
-2
0
0.1
0.2
0.3
0.4
0.5
0.6
FREQUENCY (GHz)
1, 2, 4, 23 dB
8 dB
16 dB
(Only Major States are Shown)
80
60
RELATIVE PHASE (deg)
16, 23 dB
40
8 dB
20
0
-20
1, 2, 4 dB
-40
0
0.1
0.2
0.3
0.4
0.5
0.6
FREQUENCY (GHz)
13
VARIABLE GAIN AMPLIFIERS - DIGITAL - SMT
50
45
40
35
Output IP3 vs. Temperature
(+5 dBm Output Power Per Tone)
Output P1dB vs. Temperature
40
35
30
P1dB (dBm)
25
20
15
10
5
0
-40C
+25C
+85C
IP3 (dBm)
30
25
20
15
10
5
0
0
0.1
0.2
0.3
0.4
0.5
0.6
FREQUENCY (GHz)
-40C
+25C
+85C
0
0.1
0.2
0.3
0.4
0.5
0.6
FREQUENCY (GHz)
Output IP2 vs. Temperature
Noise Figure vs. Attenuation State
25
(+5 dBm Output Power Per Tone)
100
20
NOISE FIGURE (dB)
8dB
80
15
2dB
1dB
IP2 (dBm)
4dB
60
10
40
-40C
+25C
+85C
5
I.L.
20
0
0
0.2
0.4
0.6
0.8
1
FREQUENCY (GHz)
0
0
0.1
0.2
0.3
0.4
0.5
0.6
FREQUENCY (GHz)
13 - 60
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC680LP4 / 680LP4E
v03.0609
BiCMOS MMIC 5-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 30 - 400 MHz
Harmonics vs. Frequency
0
Supply Current vs. Temperature
280
-20
HARMONIC (dBc)
2nd Harmonic
3rd Harmonic
260
Id (ma)
-40
240
-60
220
-80
-40C
+25C
+85C
-100
0
0.1
0.2
0.3
0.4
0.5
0.6
FREQUENCY (GHz)
200
4.5
5
VOLTAGE (V)
5.5
Absolute Maximum Ratings
RF Input Power
RF Output Power
Digital Inputs (B0-B4, Latch Enable)
Bias Voltage (Vdd)
Channel Temperature
Continuous Pdiss (T = 85 °C)
(derate 42 mW/°C above 85 °C)
Thermal Resistance
(channel to ground paddle)
Storage Temperature
Operating Temperature
20 dBm
22 dBm
-0.5 to Vdd +0.5V
5.6 V
125 °C
1.7 W
24 °C/W
-65 to +150 °C
-40 to +85 °C
Truth Table
ATTENUATION (dB)
0
1
2
3
4
5
6
7
8
9
10
11
B4
[1]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
B3
[1]
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
X
X
X
X
X
X
X
X
B2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
B1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
B0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
13
VARIABLE GAIN AMPLIFIERS - DIGITAL - SMT
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
12
13
14
Amp Bias Voltage
Vdd
RF
(V)
5V
Idd (Typ.) (mA)
244
15
16
17
18
19
Control Voltage Table
State
Low
High
Vdd = +3V
0 to 0.5V @ <1 μA
2 to 3V @ <1 μA
Vdd = +5V
0 to 0.8V @ <1 μA
2 to 5V @ <1 μA
20
21
22
23
[1] Enabling B4 disables B3, the minimum attenuation is 16 dB
Control Interface:
The gain of HMC680LP4(E) is controlled by adjusting the state of the attenuator. The attenuator has a 5-bit parallel
CMOS/TTL compatible interface. State of the attenuator can be set with respect to the truth table above.
Power on sequence:
The ideal power up sequence is: GND, Vdd, Digital inputs, RF inputs. Relative order of the digital inputs is not
important as long as they are powered after VDD/GND.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
13 - 6
HMC680LP4 / 680LP4E
v03.0609
BiCMOS MMIC 5-BIT DIGITAL
VARIABLE GAIN AMPLIFIER, 30 - 400 MHz
Outline Drawing
13
VARIABLE GAIN AMPLIFIERS - DIGITAL - SMT
NOTES:
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DIMENSIONS ARE IN INCHES [MILLIMETERS]
3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM.
PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM.
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm.
6. ALL GROUND LEADS AND GROUND PADDLE MUST
BE SOLDERED TO PCB RF GROUND.
7. REFER TO HITTITE APPLICATION NOTE FOR
SUGGESTED LAND PATTERN.
Package Information
Part Number
HMC680LP4
HMC680LP4E
Package Body Material
Low Stress Injection Molded Plastic
RoHS-compliant Low Stress Injection Molded Plastic
Lead Finish
Sn/Pb Solder
100% matte Sn
MSL Rating
MSL1
MSL1
[1]
[2]
Package Marking
[3]
H680
XXXX
H680
XXXX
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 4-Digit lot number XXXX
13 - 62
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
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