DS1856E-020+ Maxim Integrated Products, DS1856E-020+ Datasheet
DS1856E-020+
Specifications of DS1856E-020+
Related parts for DS1856E-020+
DS1856E-020+ Summary of contents
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... Operates from a 3. Supply ♦ -40°C to +95°C Operating Temperature Range Applications PART DS1856E-050 DS1856E-050/T&R DS1856B-050 Ordering Information continued at end of data sheet. +Denotes lead-free package. T&R denotes tape-and-reel package. Note: All devices are specified over the -40°C to +95°C tem ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection ABSOLUTE MAXIMUM RATINGS Voltage Range on V Relative to Ground ...........-0.5V to +6.0V CC Voltage Range on Inputs Relative to Ground* ..............................................-0. Voltage Range on Resistor Inputs ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection ANALOG RESISTOR CHARACTERISTICS (V = 2.85V to 5.5V -40°C to +95°C, unless otherwise noted PARAMETER Position 00h Resistance (50k ) Position FFh Resistance (50k ) ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection AC ELECTRICAL CHARACTERISTICS (V = 2.85V to 5.5V -40°C to +95°C, unless otherwise noted. See Figure 6 PARAMETER SYMBOL SCL Clock Frequency (Note 9) Bus ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Note 10: After this period, the first clock pulse is generated. Note 11: The maximum t only has to be met if the device does not stretch the LOW ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection (V = 5.0V +25°C, for both 50k and 20k versions, unless otherwise noted RESISTOR 0 DNL (LSB) 1.0 0.8 0.6 0.4 0.2 0 -0.2 -0.4 ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection (V = 5.0V +25°C, for both 50k and 20k versions, unless otherwise noted POSITION 00h RESISTANCE vs. TEMPERATURE 0.38 20k VERSION 0.37 0.36 0.35 0.34 ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection PIN BALL NAME 1 B2 SDA 2-Wire Serial Data I/O Pin. Transfers serial data to and from the device SCL 2-Wire Serial Clock Input. Clocks data into ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection AD (AUXILIARY DEVICE ENABLE A0h) DEVICE MD (MAIN DEVICE ENABLE) ADDRESS DEVICE ADDRESS ADEN ADFIX SDA ADDRESS 2-WIRE INTERFACE DATA BUS SCL R/W TxF Tx FAULT OUT1 MINT IN1 ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Table 1. Scales for Monitor Channels at Factory Setting +FS +FS SIGNAL SIGNAL (hex) Temperature +127.984 7FFC V 6.5528V FFF8 CC MON1 2.4997V FFF8 MON2 2.4997V FFF8 MON3 2.4997V ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Table 4. ADEN Address Configuration ADEN NO. OF SEPARATE (ADDRESS DEVICE ENABLE) ADDRESSES (Main Device Only) 2-WIRE ADDRRESS A0h DEC HEX DEC HEX 0 0 ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection 2-WIRE ADDRRESS A2h (DEFAULT) DEC HEX 0 0 00h LOWER MEMORY PASSWORD ENTRY (PWE) (4 BYTES) 127 7F TABLE SELECT BYTE 7Fh 128 80 80h TABLE 00h/01h EEPROM 183 ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection The DS1856 2-wire interface uses 8-bit addressing, which allows up to 256 bytes to be addressed tradi- tionally on a given 2-wire slave address. However, since the Main Device ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Word 0 Row Row (hex) Name Byte 0/8 <1> 00 Threshold Temp Alarm Hi 0 <1> 08 Threshold V Alarm <1> 10 Threshold Mon1 Alarm Hi ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection 6 60 Temp Value Value Mon1 Value Mon2 Value ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Word 0 Row Row (hex) Name Byte 0/8 <0> <8> <4> 80 Config Mode 0 <8> 88 Config Int Enable 1 <8> 90 Scale Reserved 0 <8> 98 Scale ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Word 0 Row Row (hex) Name Byte 0/8 <8> 80 LUT <8> 88 LUT <8> 90 LUT <8> 98 LUT <8> A0 LUT <8> A8 LUT <8> B0 LUT ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Word 0 Row Row (hex) Name Byte 0/8 <8> 80 LUT <8> 88 LUT <8> 90 LUT <8> 98 LUT <8> A0 LUT <8> A8 LUT <8> B0 LUT ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Name of Row Name of Byte ............. <Read/Write><Volatile><Power-On-Value> Name of Byte ............. <Read/Write><Nonvolitile><Factory-Default-Setting> Threshold 0 Temp High Alarm ..... <R-all/W-pw2><NV><7FFFh> Temperature measurements above this Temp Low Alarm....... <R-all/W-pw2><NV><8000h> Temperature ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Threshold 3 Mon2 High Alarm ..... <R-all/W-pw2><NV><FFFFh> Voltage measurements of the Mon2 Mon2 Low Alarm ...... <R-all/W-pw2><NV><0000h> Voltage measurements of the Mon2 Mon2 High Warning. <R-all/W-pw2><NV><FFFFh> Voltage measurements of ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection A2D Value 1 Mon3 Meas................ <R-all><W-NA><0000h> Unsigned voltage measurement. Reserved .................... <R-all><W-NA><0000h> Status ......................... <R-all><W-see bits><conditional> a) Rhiz.................... <R-all><W-NA><1b> High when resistor outputs are high impedance. b) Soft Hiz.............. ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection .............. Low Warning Status for MON1 Hi........... High Warning Status for MON1 measurement. f) MON1 Lo .......... Low Warning Status for MON1 measurement. ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Res0 ........................... <R-pw2><W-pw2+TENb><FFh> The base value used for Resistor 0 Res1 ........................... <R-pw2><W-pw2+TENb><FFh> The base value used for Resistor 1 Reserved .................... <R-pw2><W-pw2><00h> SRAM. Config 1 Int Enable.................. <R-pw2/W-pw2><NV><F8h> ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Scale 0 V Scale ................... <R-pw2/W-pw2><NV><6.5535V> Controls the Scaling or Gain of the CC MON1 Scale .............. <R-pw2/W-pw2><NV><2.500V> Controls the Scaling or Gain of the MON2 Scale .............. <R-pw2/W-pw2><2.500V> ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Programming the Look-up Table (LUT) The following equation can be used to determine which resistor position setting, 00h to FFh, should be written in the LUT to achieve a ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection gain_result = gain_result + 2^n; Force the 90% FS input (2.949075V); Meas2 = read the digital result from the part; If Meas2 >= Clamp then gain_result = gain_result – ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Power-Up and Low-Voltage Operation During power-up, the device is inactive until V exceeds the digital power-on-reset voltage (POD). At this voltage, the digital circuitry, which includes the 2-wire interface, ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection A page write is initiated the same way as a byte write, but the master does not send a STOP condition after the first byte. Instead, after the slave ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Stop data transfer: A change in the state of the data line from low to high while the clock line is high defines the STOP condition. Data valid: The ...
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Dual, Temperature-Controlled Resistors with Inter- nally Calibrated Monitors and Password Protection Within the bus specifications, a standard mode (100kHz clock rate) and a fast mode (400kHz clock rate) are defined. The DS1856 works in both modes. Acknowledge: Each receiving device, ...
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... Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 31 © 2006 Maxim Integrated Products is a registered trademark of Dallas Semiconductor Corporation. Ordering Information (continued) PIN-PACKAGE PART 16 CSBGA DS1856B-020+T&R 16 CSBGA DS1856B-030 16 CSBGA DS1856E-030+ 16 CSBGA DS1856E-030+T&R 16 TSSOP DS1856B-030+ 16 TSSOP DS1856B-030+T&R 16 TSSOP DS1856E-002 16 TSSOP DS1856E-002/T&R 16 CSBGA DS1856B-002 16 CSBGA DS1856B-002/T&R ...