MAX1452AAE+ Maxim Integrated Products, MAX1452AAE+ Datasheet
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MAX1452AAE+
Specifications of MAX1452AAE+
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MAX1452AAE+ Summary of contents
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... Excitation ♦ Fast 150µs Step Response ♦ On-Chip Uncommitted Op Amp ♦ Secure-Lock™ Prevents Data Corruption ♦ Low 2mA Current Consumption PART MAX1452CAE+ MAX1452EAE+ MAX1452AAE+ MAX1452AUE+ Applications MAX1452ATG+ MAX1452C/D + Denotes a lead(Pb)-free/RoHS-compliant package Exposed pad. ** Dice are tested at T Detailed Block Diagram and Pin Configurations appear at the end of data sheet ...
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... Operating Temperature: MAX1452CAE+/MAX1452C/D ............................0°C to +70°C - 0.3V 0.3V) MAX1452EAE+ ................................................-40°C to +85°C DD MAX1452AAE+ ..............................................-40°C to +125°C MAX1452AUE+..............................................-40°C to +125°C MAX1452ATG+..............................................-40°C to +125°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) ................................ +300°C ...
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ELECTRICAL CHARACTERISTICS (continued +5V 0V +25°C, unless otherwise noted.) DD DDF SS A PARAMETER SYMBOL Output-Voltage Low Output-Voltage High Output Impedance at DC ΔV Output Offset Ratio ΔOffset Output Offset TC Ratio ...
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Low-Cost Precision Sensor Signal Conditioner ELECTRICAL CHARACTERISTICS (continued +5V 0V +25°C, unless otherwise noted.) DD DDF SS A PARAMETER SYMBOL ent- S our ce Refer ence Δ R Resi ...
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T = +25°C, unless otherwise noted OFFSET DAC DNL 5.0 2.5 0 -2.5 -5.0 0 10k 20k 30k 40k 50k DAC CODE PIN SSOP/TSSOP TQFN- ...
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Low-Cost Precision Sensor Signal Conditioner PIN SSOP/TSSOP TQFN- — — Detailed Description The MAX1452 provides amplification, calibration, and temperature compensation to enable an overall ...
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GENERATOR IRO MAX1452 DAC OSCILLATOR INP ∑ PGA INM CURRENT ISRC SOURCE BDR TEMP SENSOR 8-BIT ADC TEMPERATURE V DDF INTERNAL EEPROM DIO 6144 BITS UNLOCK 416 BITS FOR USER V DD BDR AMP+ AMP- V ...
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Low-Cost Precision Sensor Signal Conditioner Linear and Nonlinear Temperature Compensation Writing 16-bit calibration coefficients into the offset TC and FSOTC registers compensates first-order tempera- ture errors. The piezoresistive sensor is powered by a current source resulting in a temperature-dependent bridge ...
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SENSOR Figure 3. Basic Nonratiometric Output Configuration Typical Nonratiometric Operating Circuit (12VDC < VPWR < 40VDC) Nonratiometric output configuration enables the sensor power to vary over a wide range. A high performance voltage reference, such as the MAX15006B, is incorpo- ...
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Low-Cost Precision Sensor Signal Conditioner BDR 6 INP MAX1452 4 SENSOR INM AMPOUT TEST Figure 4. Basic 4–20mA Output, Loop-Powered Configuration • Registers CONFIG, OTCDAC, and FSOTCDAC are refreshed from EEPROM. • ...
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Table 1. EEPROM Memory Address Map LOW-BYTE PAGE ADDRESS (hex) 000 0 03E 040 1 07E 080 2 0BE 0C0 3 0FE 100 4 13E 140 15E 160 162 164 5 166 168 16A 16C 17E 180 19E 6 1A0 ...
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Low-Cost Precision Sensor Signal Conditioner The ODAC and FSODAC are loaded from the EEPROM lookup tables using an index pointer that is a function of temperature. An ADC converts the integrated tem- perature sensor output to an 8-bit value every ...
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DRIVEN BY TESTER DIO Figure 5. DIO Output Data Format 3) Write the load internal calibration register (LdICR) command to CRIL[3:0]. When a LdICR command ...
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Low-Cost Precision Sensor Signal Conditioner DRIVEN BY TESTER DIO OUT Figure 6. Analog Output Timing The analog signal driven onto the OUT pin is deter- ...
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DIO[1:N] DIGITAL MULTIPLEXER +5V DVM Figure 7. Automated Test System Concept MAX1452 Evaluation Kit To expedite the development based transducers and test systems, Maxim has pro- duced the MAX1452 evaluation kit (EV kit). First-time users of the MAX1452 are strongly ...
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Low-Cost Precision Sensor Signal Conditioner RAW SENSOR OUTPUT T = +25° PRESSURE (kPs) COMPENSATED TRANSDUCER ERROR 0.15 FSO OFFSET 0.1 0.05 0 -0.05 -0.1 -0.15 -50 0 TEMPERATURE (°C) Figure 8. ...
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Table 3. Configuration Register (CONFIG[15:0]) FIELD NAME 15:13 OSC[2:0] Oscillator frequency setting. Factory preset, do not change Logic ‘1’ selects external R EXT 11 CLK1M EN Logic ‘1’ enables CLK1M output driver. 10 PGA Sign Logic ‘1’ inverts ...
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Low-Cost Precision Sensor Signal Conditioner Table 5. PGA Gain Setting (PGA[3:0]) PGA[3:0] 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111 Table 8. EEPROM ODAC and FSODAC Lookup Table Memory Map TEMP-INDEX[7:0] 00hex ...
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Table 9. Control Location (CL[15:0]) FIELD NAME 15:8 CL[15:8] Reserved Control Location. Secure-Lock is activated by setting this to FFhex which disables DIO serial 7:0 CL[7:0] communications and connects OUT to PGA output. Table 10. IRSA Decoding IRSA[3:0] 0000 Write ...
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Low-Cost Precision Sensor Signal Conditioner Table 11. CRIL Command Codes CRIL[3:0] NAME 0000 LdICR Load internal calibration register at address given in ICRA with data from DHR[15:0]. 0001 EEPW EEPROM write of 8 data bits from DHR[7:0] to address location ...
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Table 13. IRSP Decode IRSP[3:0] 0000 DHR[7:0] 0001 DHR[15:8] 0010 IEEA[7:4], ICRA[3:0] concatenated 0011 CRIL[3:0], IRSP[3:0] concatenated 0100 ALOC[3:0], ATIM[3:0] concatenated 0101 IEEA[7:0] EEPROM address byte 0110 IEED[7:0] EEPROM data byte 0111 TEMP-Index[7:0] 1000 BitClock[7:0] 1001 Reserved. Internal flash test ...
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Low-Cost Precision Sensor Signal Conditioner Table 15. ALOC Definition ALOC[3:0] ANALOG SIGNAL 0000 OUT 0001 BDR 0010 ISRC 0011 VDD 0100 VSS 0101 BIAS5U 0110 AGND 0111 FSODAC 1000 FSOTCDAC 1001 ODAC 1010 OTCDAC 1011 VREF 1100 VPTATP 1101 VPTATM ...
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V DD ISRC R R ISRC STC 75kΩ 75kΩ 16-BIT FSOTC BDR FSOTC DAC INP PHASE V SS REVERSAL MUX MUX INM INPUT REFERRED OFFSET (COARSE OFFSET IRO (3, 2:0) OFFSET mV 1,111 63 1,110 54 ...
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Low-Cost Precision Sensor Signal Conditioner TOP VIEW + ISRC 1 OUT INM MAX1452 BDR 5 INP TEST 8 SSOP/TSSOP Chip Information SUBSTRATE CONNECTED TO ______________________________________________________________________________________ ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 25 © 2009 Maxim Integrated Products ...