Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505

Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com

ASNT6142-KMC
DC-20GHz Linear amplifier

Fully differential input interface with on-chip 50Ohm termination



Fully differential output interface with on-chip 50Ohm termination

Single +3.3V or -3.3V power supplyPower consumption: 695mWFabricated in SiGe for high performance, yield, and reliability

Custom CQFP 24-pin packageveeExhibits low jitter and limited temperature variation over industrial temperature range

vcc



pkdet

Features gain control, input offset adjustment, and input peak detector

vcc

dcinpBroadband (DC-20GHz) linear amplifier for receiver-side applications

vcc



vee

vcc

vcc

inpoutp

ASNT6142vcc

vcc

innoutn

vcc

vcc

Rev. 2.3.2

1vcc

vgc

vcc

dcinn

vcc

vee

vee

July 2019

Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505

Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com

DESCRIPTION

dcinp
50

pkdet

vcc

1K50

inpoutpinnoutn
5050

1K
dcinnvccvgc
Fig. 1. Functional Block Diagram

The temperature-stable linear amplifier ASNT6142-KMC, which is fabricated in an advanced SiGetechnology, provides low-jitter broadband variable signal amplification between its input inp/inn andoutput outp/outn signal ports and is intended for use in high-speed communication systems. Gain
adjustment is performed through the external control port vgc. A graph of the amplifier’s single-ended
gain vs. vgc (where vcc=0V and x-axis values are settings below vcc) is shown below. Differential gainis found by adding 6dB to these y-axis numbers.

Fig. 2. Single-ended Gain vs. Vgc

Rev. 2.3.22July 2019

Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505

Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com

The part’s I/Os support the CML logic interface with on chip 50Ohm termination to vcc and may be useddifferentially, AC/DC coupled, single-ended, or in any combination (see also POWER SUPPLYCONFIGURATION). In the DC-coupling mode, the input signal’s common mode voltage should comply
with the specifications shown in ELECTRICAL CHARACTERISTICS. In the AC-coupling mode, theinput termination provides the required common mode voltage automatically. The differential DC
signaling mode is recommended for optimal performance.
The on-chip peak detector delivers a single-ended output voltage pkdet proportional to the input signal’samplitude. Additional control ports dcinp and dcinn can be used for input signal common-mode voltage
adjustment.

POWER SUPPLY CONFIGURATION
The part can operate with either a negative supply (vcc = 0.0V=ground and vee = -3.3V), or a positivesupply (vcc = +3.3V and vee = 0.0V=ground). In case of the positive supply, all I/Os need ACtermination when connected to any devices with 50Ohm termination to ground. Different PCB layouts
will be needed for each different power supply combination.

All the characteristics detailed below assume vcc = 0.0V and vee = -3.3V.

ABSOLUTE MAXIMUM RATINGS
Caution: Exceeding the absolute maximum ratings shown in Table 1 may cause damage to this productand/or lead to reduced reliability. Functional performance is specified over the recommended operating
conditions for power supply and temperature only. AC and DC device characteristics at or beyond theabsolute maximum ratings are not assumed or implied.
Table 1. Absolute Maximum Ratings

Parameter
Min Max Units
Main Supply Voltage (vcc-vee)
3.6
VPower Consumption
0.80
W
RF Input Voltage Swing (SE)1.0
V
CM control Voltage (dcinp/n-vcc) -2.2 +0.8
V
Gain Control Voltage (vgc1-vcc) -2.0 +0.4
V
Case Temperature+90ºC
Storage Temperature-40 +100ºC
Operational Humidity
1098%
Storage Humidity
1098%

Rev. 2.3.23July 2019

Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505

Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com

TERMINAL FUNCTIONSTERMINAL
Name
No.
Type
inp
inn
outp
outn
dcinp
dcinn
vgc
pkdet
Name
vcc
vee

Rev. 2.3.2

DESCRIPTION

High-Speed I/Os
Differential high-speed data inputs with internal SE 50Ohm
termination to vcc
Differential high-speed data outputs with internal SE 50Ohmtermination to vcc. Require external SE 50Ohm termination to vcc
Low-Speed I/Os
17 Analog inp common mode control voltage
Input inn common mode control voltage
35Input Low-speed amplitude adjustment tuning input
15 Output Analog voltage generated by the peak detector
Supply and Termination Voltages
Description
Pin Number
Positive power supply (+3.3V or 0V)2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24
Negative power supply (0V or -3.3V)
1, 7, 13, 1921
23
119CMLinput
CMLoutput

4July 2019Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505

Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com

ELECTRICAL CHARACTERISTICSPARAMETER

MINveevcc
Ivee
Power consumption
Junction temperature-3.1

Bandwidth
CM level
Input noise density
S11
CM level
S22
Differential gain
Differential gain
Output referred 1dBcompression point
THD
Voltage range
Input Impedance
Voltage range
Input Impedance

-25

-0.8

10TYP

MAXUNIT
General Parameters-3.3-3.5
V0.0V
210mA
695mW
5085°CHS Input Data (inp/inn)
20GHz0V
1.5
nV/sqrt(Hz)-10dB
HS Output Data (outp/outn)-0.6
V-8dB25dBdB
2.7dBmCOMMENTS±6%
External ground-3dBHigh Gain
DC to 20GHz

DC to 20GHz
At 10GHz, vgc= vcc
At 10GHz, vgc= vcc -1.5V
Single-Ended, 20GHz

0.2%
At 350mVp-p output swing, SE
Low-Speed Control Input (vgc)
vcc-2.0
vcc
V2KOhmDC Offset Control Inputs (dcinp/dcinn)
vcc-2.0
vcc
V1KOhm

PACKAGE INFORMATIONThe chip die is housed in a custom, 24-pin CQFP package shown in Fig. 3. The package provides a center
heat slug located on its back side to be used for heat dissipation. ADSANTEC recommends for thissection to be soldered to the vcc plain, which is ground for a negative supply, or power for a positivesupply.
The part’s identification label is ASNT6142-KMC. The first 8 characters of the name before the dashidentify the bare die including general circuit family, fabrication technology, specific circuit type, and partversion while the 3 characters after the dash represent the package’s manufacturer, type, and pin out
count.
This device complies with the Restriction of Hazardous Substances (RoHS) per EU 2002/95/EC for all six
substances.

Rev. 2.3.25July 2019

Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505

Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com

Fig. 3. CQFP 24-Pin Package Drawing (All Dimensions in mm)

Rev. 2.3.2

6July 2019

Advanced Science And Novel Technology Company, Inc.
2790 Skypark Drive Suite 112, Torrance, CA 90505

Offices: 310-530-9400 / Fax: 310-530-9402
www.adsantec.com

REVISION HISTORY
Revision
2.3.2
2.3.1

Date07-2019
05-2018

2.2.1

08-2015

2.1.1
2.0.1

05-2015
05-2013

1.1.1

12-20121.003-2009

Rev. 2.3.2

Changes
Updated Letterhead
Corrected Absolute Maximum Ratings
Corrected values of Control Voltages in Electrical Specifications
Added Figure 2
Updated electrical characteristics
Revised Package Information section
Corrected title
Updated pin out drawing
Corrected electrical characteristics
Corrected package information section
Updated format
Added power supply configuration text
Revised terminal functions section
Revised electrical characteristics section
Added absolute maximum ratings table
Added package information section
Added revision history table
Updated formattingFirst release

7

July 2019