Ultrasonic Flow Converters

Ultrasonic Flow Converters

ScioSense converter solutions for ultrasonic flow meters are built upon their extensive knowledge of using time-to-digital converters for precise time measurement.

Ultrasonic flow measurement is ideally suited for measuring time intervals of hundreds of microseconds at picosecond stability and precision at as little as a few µA of current usage.

Our integrated functional blocks enable users to have extremely small designs. The reciprocity and symmetry of the analog front-ends are optimized. We provide AFEs for low amplitude gas meter applications using the PGA and HV driver stages.

For low single-shot noise, the precision TDC core can measure multiple zero crossings zero crossings in a burst. A CPU that can perform both the whole flow calculation and initial filtering or regulating activities is another option for converters.

Lastly, we provide versions that enable users to quickly go from development to market since they already have a flow firmware embedded. By emphasizing an intelligent front-end, we allow the user complete control over the central processor. This makes the transition from mechanical to ultrasonic sensors more simpler.

precision-measurement-ufc-main

Ultrasonic Flow Converters (UFC)

Application Diagram of Ultrasonic Flow Converters

Ultrasonic flow converters

Ultrasonic Flow Meters

Sensor Features
Application TDC No. of hits
AFE Fire Voltage [V]
AFE+TDC+Sensor Typical single shot resolution [ps]
IAFE+TDC [μA] @ ??? Hz typical
IAFE+TDC+CPU [μA] @ ??? Hz typical
CPU Firmware Package
AS6040
HV driver 17V, PGA, split burst Gas meters
31
17
< 500
19 32 Bit QFN48
AS6031 PGA, split burst
Water meters with low signal amplitude
31 3.6 < 50 7 32 Bit QFN48
AS6031F1 PGA, split burst
Water meters with low signal amplitude
31 3.6 < 50 13 32 Bit X QFN48
TDC-GP30YD  Low offset drift
Water & heat meters ≥ R400
31 3.6 < 50
  32 Bit
  QFN32
TDC-GP30YA Pins for external amplifier
Water & heat meters ≥ R400
31 3.6 < 50 4.5 32 Bit QFN40
TDC-GP30YA-F01 Pins for external amplifier
Water & heat meters ≥ R400
31 3.6 < 50 8.5 32 Bit X QFN40
TDC-GP22
First hit detection
Water & heat meters ≤  R400
3
3.6
< 100 6 QFN32
TDC-GP21
Windowing only
Water & heat meters ≤  R400
3
3.6
< 100 6 QFN32

 

Documentation & Downloads

Datasheet

Description

Datasheet TDC-GP30 Vol. 1:
System-Integrated Solution for Ultrasonic Flow Meters General Data and Frontend Description

Version

V1.0

Size

1.2MB

Download

DB_GP30_Vol1.pdf

Description

Datasheet TDC-GP30 Vol. 2:
System-Integrated Solution for Ultrasonic Flow Meters CPU, Memory and Firmware

Version

V0.0

Size

1.3MB

Download

DB_GP30_Vol2.pdf

Description

Datasheet TDC-GP30 Vol. 3:
System-Integrated Solution for Ultrasonic Flow Meters: User Manual

Version

V0.0

Size

1.3MB

Download

DB_GP30_Vol3.pdf

Description

Datasheet TDC-GP30 Vol. 4:
Firmware, Memory and ROM Overview: User Manual

Version

V0.5

Size

2MB

Download

DB_GP30_Vol4_en.pdf

Description

Datasheet TDC-GP22 Eval System:
Evaluation System for TDC-GP22

Version

V0.2

Size

5.3MB

Download

DB_GP22-EVA_en.pdf

Description

Datasheet TDC-GP22:
Universal 2-Channel TDC-GP22 dedicated to Ultrasonic Heat & Water Meters

Version

V0.9

Size

4MB

Download

DB_GP22_en.pdf

Description

Datasheet TDC-GP21 Eval System:
Evaluation System for TDC-GP21

Version

V0.0

Size

5.3MB

Download

DB_GP21-EVA_en.pdf

Description

Datasheet TDC-GP21:
Universal 2-Channel TDC-GP21

Version

V1.6

Size

4MB

Download

DB_GP21_en.pdf

Description

Development Support TDC-GP30:
Eval Kit Manual for TDC-GP30

Version

V1.0

Size

2.5MB

Download

GP30Y-EVA-KIT.pdf

Description

Development Support TDC-GP30:
Demo Kit Manual for TDC-GP30

Version

V1.0

Size

3MB

Download

GP30-DEV-KIT.pdf

Description

Development Support TDC-GP22:
Evaluation System for TDC-GP22 DEMO KIT

Version

V0.0

Size

2.4MB

Download

DB_GP22-DEMO_en.pdf

Description

Development Support TDC-GP22:
Evaluation System for TDC-GP22

Version

V0.2

Size

2.8MB

Download

DB_GP22-EVA_en.pdf

Description

Development Support TDC-GP21:
Evaluation System for TDC-GP21

Version

V0.0

Size

5.3MB

Download

DB_GP21-EVA_en.pdf

Datasheet

Description

Datasheet TDC-GP30 Vol. 1:
System-Integrated Solution for Ultrasonic Flow Meters General Data and Frontend Description

Version

V1.0

Size

1.2MB

Download

DB_GP30_Vol1.pdf

Description

Datasheet TDC-GP30 Vol. 2:
System-Integrated Solution for Ultrasonic Flow Meters CPU, Memory and Firmware

Version

V0.0

Size

1.3MB

Download

DB_GP30_Vol2.pdf

Description

Datasheet TDC-GP30 Vol. 3:
System-Integrated Solution for Ultrasonic Flow Meters: User Manual

Version

V0.0

Size

1.3MB

Download

DB_GP30_Vol3.pdf

Description

Datasheet TDC-GP30 Vol. 4:
Firmware, Memory and ROM Overview: User Manual

Version

V0.5

Size

2MB

Download

DB_GP30_Vol4_en.pdf

Description

Datasheet TDC-GP22 Eval System:
Evaluation System for TDC-GP22

Version

V0.2

Size

5.3MB

Download

DB_GP22-EVA_en.pdf

Description

Datasheet TDC-GP22:
Universal 2-Channel TDC-GP22 dedicated to Ultrasonic Heat & Water Meters

Version

V0.9

Size

4MB

Download

DB_GP22_en.pdf

Description

Datasheet TDC-GP21 Eval System:
Evaluation System for TDC-GP21

Version

V0.0

Size

5.3MB

Download

DB_GP21-EVA_en.pdf

Description

Datasheet TDC-GP21:
Universal 2-Channel TDC-GP21

Version

V1.6

Size

4MB

Download

DB_GP21_en.pdf

Description

Development Support TDC-GP30:
Eval Kit Manual for TDC-GP30

Version

V1.0

Size

2.5MB

Download

GP30Y-EVA-KIT.pdf

Description

Development Support TDC-GP30:
Demo Kit Manual for TDC-GP30

Version

V1.0

Size

3MB

Download

GP30-DEV-KIT.pdf

Description

Development Support TDC-GP22:
Evaluation System for TDC-GP22 DEMO KIT

Version

V0.0

Size

2.4MB

Download

DB_GP22-DEMO_en.pdf

Description

Development Support TDC-GP22:
Evaluation System for TDC-GP22

Version

V0.2

Size

2.8MB

Download

DB_GP22-EVA_en.pdf

Description

Development Support TDC-GP21:
Evaluation System for TDC-GP21

Version

V0.0

Size

5.3MB

Download

DB_GP21-EVA_en.pdf

Ordering Numbers

Type
Part Number
Package
RoHS compl.
Shipping Package
TDC-GP22:
TDC-GP22 MNR 1949 QFN32 Yes Tray
TDC-GP22 MNR 1950 QFN32 Yes Tape & Reel (5k)
GP22-EVA-KIT MNR 1951 System Yes Box
GP22-DEMO-KIT MNR 1979 System Yes Box
TDC-GP21:
TDC-GP21 MNR 1839 QFN32 Yes Tray
TDC-GP21 MNR 1720 QFN32 Yes Tape & Reel (3K/5K)
GP21-EVA-KIT MNR 1781 System Yes Box
TDC-GP2:
TDC-GP2 MNR 1058 QFN32 Yes Tray
TDC-GP2 MNR 1480 QFN32 Yes Tape & Reel (2k)
TDC-GP1:
TDC-GP1 MNR 278 TQFP44 Yes Tray
TDC-GPX:
TDC-GPX MNR 975 TQFP100 Yes Tray
TDC-GPX-FG MNR 1089 TFBGA120 Yes Tray

Ordering Numbers

Type
Part Number
Package
RoHS compl.
Shipping Package
TDC-GP22:
TDC-GP22 MNR 1949 QFN32 Yes Tray
TDC-GP22 MNR 1950 QFN32 Yes Tape & Reel (5k)
GP22-EVA-KIT MNR 1951 System Yes Box
GP22-DEMO-KIT MNR 1979 System Yes Box
TDC-GP21:
TDC-GP21 MNR 1839 QFN32 Yes Tray
TDC-GP21 MNR 1720 QFN32 Yes Tape & Reel (3K/5K)
GP21-EVA-KIT MNR 1781 System Yes Box
TDC-GP2:
TDC-GP2 MNR 1058 QFN32 Yes Tray
TDC-GP2 MNR 1480 QFN32 Yes Tape & Reel (2k)
TDC-GP1:
TDC-GP1 MNR 278 TQFP44 Yes Tray
TDC-GPX:
TDC-GPX MNR 975 TQFP100 Yes Tray
TDC-GPX-FG MNR 1089 TFBGA120 Yes Tray