Analog Devices ADSST-SALEM-3T manuale d’uso

Powerful Energy Meter Chipset ADSST-SALEM-3T Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed b y Analog Devices for its use, nor for any infringements of patents or oth er rights of third parties that may result from its use. Specifications subject to change witho ut noti[...]

ADSST-SALEM-3T Rev. 0 | Page 2 of 24 TABLE OF CONTENTS Eas y Cal ib ra ti on ............................................................................ 3 Effec tive Phase Compensation ................................................... 3 Ease of Desi gn ............................................................................... 3 Quadrant an [...]

ADSST-SALEM-3T Rev. 0 | Page 3 of 24 EASY CALIBRATION The A DSST -SALEM-3T chipse t has highly advanced calibra tion rou tines embedded into the software. Ease of ca libra tion is the key featur e in this chipset. By sending specif ic commands to the ADSST -SALEM-3T chipset, the dc offsets and gains for all volt- age and current chann els can be ca[...]

ADSST-SALEM-3T Rev. 0 | Page 4 of 24 GENERAL DESCRIPTION OF THE ADSST-218X DSP The ADSST -21 8x is a single-chi p microcomp uter op timize d for digital signal processing (DSP) and other high spee d numeric pro c e ss in g ap pl ic at io ns . The DSP comb ines the ADSP -2100 family base arc hitectur e (three comp utational units, data address gener[...]

ADSST-SALEM-3T Rev. 0 | Page 5 of 24 Effi cie nt d a ta tra ns fe r is a ch ie ved wi th the use of fiv e in tern al bus es : • Progra m Mem ory A ddress (PMA) Bus Progra m M emory Data (PMD) Bus • Data M e mory Addr ess (DMA) Bus • Data M emor y Da ta (DMD) Bus • Result (R) Bus The byte memo r y and I /O me mor y sp ace inter face suppor t[...]

ADSST-SALEM-3T Rev. 0 | Page 6 of 24 ADSST-218X COMMON-MODE PINS Table 2. Pin Name No. of Pins I/O Function BG 1 O Bus Grant Output BGH 1 O Bus Grant Hung Output BMS 1 O Byte Memory Select Output BR 1 I Bus Request Input CMS 1 O Combined Memory Select Output DMS 1 O Data Memory Select Output IOMS 1 O Memory Select Output PMS 1 O Program Memory Sele[...]

ADSST-SALEM-3T Rev. 0 | Page 7 of 24 CLOCK SIGNALS Either a cry stal or a TTL compatible clock signal can clock the ADSST -218x. If an external clock is used, it should be a TT L com patible signal running at half the instr uct ion rate. The signal is connec ted to the processor’ s CLKIN inp ut. When an external clock is use d, the XT AL in pu t [...]

ADSST-SALEM-3T Rev. 0 | Page 8 of 24 ADSST-218X ELECTRICAL CHARACTERISTICS Table 4. Parameter Test Conditions Min Typ Max Unit V IH High Level Input Voltage 1, 2 @ V DDINT = Max 1.5 V V IH High Level CLKIN Voltage @ V DDINT = Max 2.0 V V IL Low Level Input Voltage 1, 3 @ V DDINT = Min 0.7 V V OH High Level Output Voltage 1, 4, 5 @ V DDEXT = Min, I [...]

ADSST-SALEM-3T Rev. 0 | Page 9 of 24 ABSOLUTE MAXIMUM RATINGS—ADSST-218X Table 5. Rating Parameter Min Max Internal Supply Voltage (V DDINT ) –0.3 V +3.0 V External Supply Voltage (V DDEXT ) –0.3 V +4.0 V Input Voltage 1 –0.3 V +4.0 V Output Voltage Swing 2 –0.5 V V DDEXT + 0.5 V Operating Temperature Range 0°C 70°C Storage Temperature [...]

ADSST-SALEM-3T Rev. 0 | Page 10 of 24 PIN CONFIGURATION—ADSST-218X 03738-0-009 5 4 3 2 7 6 9 8 1 D19 D18 D17 D16 IRQE+ PF4 IRQL0+PF5 GND IRQL1+PF6 DT0 TFS0 SCL K0 V DD EXT DT1/FO TFS1/IRQ1 DR1/FI GND SCLK 1 ERESET RESET D15 D14 D13 D12 GND D11 D10 D9 V DDEXT GND D8 D7/IWR D6/IRD D5/IAL D4/IS GND V DDINT D3/IACK D2/IAD15 D1/IAD14 D0/IAD13 BG EBG B[...]

ADSST-SALEM-3T Rev. 0 | Page 11 of 24 GENERAL DESCRIPTION OF THE ADSST-73360LAR ADC The ADSST -73360L AR is a 6-channel in put analog front en d proces sor fo r general-p ur pose app lication s, includ ing ind ustrial power met ering or m ultichannel a nalog inp uts. It fea tures six 16-bit A/D conv ersion chann els, each of which pro vides 76 dB s[...]

ADSST-SALEM-3T Rev. 0 | Page 12 of 24 SPECIFICATIONS—ADSST-73360LAR (A VDD = 2.7 V to 3.6 V , DVDD = 2.7 V to 3.6 V , DGND = A GND = 0 V , f MCLK = 16.384 MHz, f SCLK = 8.192 MHz, f S = 8 kHz, T A = T MIN to T MAX 1 , un less other wi se noted. ) Table 6. Parameter Min Typ Max Unit Test Conditions REFERENCE REFCAP Absolute Voltage, V REFCAP 1.08 [...]

ADSST-SALEM-3T Rev. 0 | Page 13 of 24 Parameter Min Typ Max Unit Test Conditions FREQUENCY RESPONSE (ADC) 7 Typical Output Frequency (Normalized to f S ) 0 0 dB 0.03125 –0.1 dB 0.0625 –0.25 dB 0.125 –0.6 dB 0.1875 –1.4 dB 0.25 –2.8 dB 0.3125 –4.5 dB 0.375 –7.0 dB 0.4375 –9.5 dB > 0.5 < –12.5 dB LOGIC INPUTS V INH , Input Hig[...]

ADSST-SALEM-3T Rev. 0 | Page 14 of 24 ABSOLUTE MAXIMUM RATINGS—ADSST-73360LAR (T A = 25°C unless other wise noted) Table 8. Parameter Rating AVDD, DVDD to GND –0.3 V to +4.6 V AGND to DGND –0.3 V to +0.3 V Digital I/O Voltage to DGND –0.3 V to DVDD + 0.3 V Analog I/O Voltage to AGND –0.3 V to AVDD Operating Temperature Range 0°C to +70?[...]

ADSST-SALEM-3T Rev. 0 | Page 15 of 24 PIN CONFIGURATION AN D PIN FUNCTION DESCRI PTIONS—ADSST-73360LAR NC = NO CONNECT TOP VIEW (Not to Scale) VINP2 1 VINN2 2 VINP1 3 VINN1 4 REFOUT 5 REFCAP 6 AVDD2 7 AGND2 8 DGND 9 DVDD 10 RESET 11 SCLK 12 MCLK 13 SDO 14 VINN3 VINP3 VINN4 VINP4 VINN5 28 24 27 26 25 VINP5 VINN6 VINP6 AVDD1 20 23 22 21 AGND1 SE SD[...]

ADSST-SALEM-3T Rev. 0 | Page 16 of 24 Pin No. Mnemonic Function 18 SE SPORT Enable. Asynchronous input enable pin for the SPORT. When SE is set low by the DSP, the output pins of the SPORT are three-stated an d the input pins are ignored. SCLK is also disabled internally in order to decrease power di ssipation. When SE is brought high, the control [...]

ADSST-SALEM-3T Rev. 0 | Page 17 of 24 POWER-UP INITIALIZATION AND DATA FROM THE ADSST-SALEM-3T The A DSST -SALEM-3T -EV bo ot loads the code from the nonvolatil e f las h memor y as shown i n the bloc k diag ram of a functional meter in Figure 1. The configuration and calibra - tion da ta also gets loaded fro m the n on volatile mem or y . Fo r fur[...]

ADSST-SALEM-3T Rev. 0 | Page 18 of 24 ACCURACY OF REFERENCE DESIGN USING THE ADSST-SALEM-3T CHIPSET Overall Accuracy, Power, and En ergy Measurement The accurac y figures are measured under typical sp ecifie d conditions, unless other wise i ndicated. Table 10. Test Conditions for Reference Design Using a µ Metal CT of Class 0.5 Accuracy Parameter[...]

ADSST-SALEM-3T Rev. 0 | Page 19 of 24 Table 17. Voltage Unbalance Error Current Voltage Min Typ Max Unit I N V N + 15% V ± 0.1 ± 0.2 % Table 18. Starting Current Min Typ Max Unit 0.07 0.1 % of I N[...]

ADSST-SALEM-3T Rev. 0 | Page 20 of 24 OUTLINE DIMENSIONS TOP VIEW (PINS DOWN) 1 25 26 51 50 75 76 100 14.00 BSC SQ 0.50 BSC 0.27 0.22 0.17 1.60 MAX 12° TYP 0.75 0.60 0.45 VIEW A 16.00 BSC SQ 12.00 REF 0.20 0.09 1.45 1.40 1.35 0.08 MAX COPLANARITY VIEW A ROTATED 90° CCW SEATING PLANE SEATING PLANE 10° 6° 2° 7° 3.5° 0° 0.15 0.05 PIN 1 COMPLIA[...]

ADSST-SALEM-3T Rev. 0 | Page 21 of 24 ORDERING GUIDE Part Number 1 Temperature Range Processors Included Package ADSST-EM-3040 0°C to +70°C ADSST-2185MKST-300 ST-100 ADSST-73360LAR RW-28 ADSST-EM-3041 −25°C to +85°C ADSST-2185MBST-266 ST-100 ADSST-73360LAR RW-28 1 For develope r’s kit, order AD SST-SALEM-3T- DK.[...]

ADSST-SALEM-3T Rev. 0 | Page 22 of 24 NOTES[...]

ADSST-SALEM-3T Rev. 0 | Page 23 of 24 NOTES[...]

ADSST-SALEM-3T Rev. 0 | Page 24 of 24 NOTES © 2004 Analog Devices, Inc. All rights res erved. Trademarks and regis- tered trademarks are the property of their respective owners. D03738–0–7/04(0)[...]