ltc4151 Linear Technology Corporation, ltc4151 Datasheet
ltc4151
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ltc4151 Summary of contents
Page 1
... Data is reported through the I interface when polled by a host. The monitors can also perform on-demand measurement in a snapshot mode. The LTC4151 features a dedicated shutdown pin to reduce power consumption. The LTC4151-1 features split I data pins with data in and an inverted data output to drive optoisolators ...
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... JMAX JA EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB ELECTRICAL CONNECTION OPTIONAL 2 (Notes 1, 3) Operating Temperature Range – 10V or LTC4151C/LTC4151C-1 ............................ 0°C to 70°C IN –0. 0.3V LTC4151I/LTC4151I-1 ..........................–40°C to 85°C IN Storage Temperature Range MSOP ................................................–65°C to 150°C DFN ....................................................–65°C to 125°C Lead Temperature (Soldering, 10 sec) MSOP Only ....................................................... 300° ...
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... SENSE ) V IN ADIN + – (SENSE – SENSE ) V IN ADIN + – (SENSE – SENSE ) V (Note 5) IN ADIN, LTC4151C, LTC4151C-1 ADIN, LTC4151I, LTC4151I-1 + – (SENSE – SENSE ) V (Note 6) IN ADIN + – (SENSE – SENSE ) V (Note 5) IN ADIN LTC4151/LTC4151-1 TEMPERATURE RANGE 0°C to 70°C – ...
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... Note 2: Internal clamps limit the SCL, SDA (LTC4151) and SDAI (LTC4151-1) pins to a minimum of 5.5V. Driving these pins to voltages beyond the clamp may damage the part. The pins can be safely tied to higher voltages through a resistor that limits the current below 5mA. ...
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... CODE ADC DNL vs Code (SENSE Voltage –1 –2 4096 0 1024 2048 3072 CODE LTC4151/LTC4151 12V 25°C, unless noted Supply Current vs Supply Voltage (Shutdown Mode) – 40°C 25°C 85° SUPPLY VOLTAGE (V) 41511 G02 ADC INL vs Code (ADIN Voltage) 1 ...
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... An external pull-up resistor or current source is required. SHDN (Pin 8, LTC4151 Only): Shutdown Input. Internally pulled up to 6.3V. Pull this pin below 1V to force the LTC4151 into shutdown mode. Leave this pin open if unused. GND (Pin 9): Device Ground. . The voltage at SCL Exposed Pad (Pin 11, DD Package Only): GND ...
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... Two three-state pins, ADR0 and ADR1, (full-scale are used to decode nine device addresses (see Table 1). IN The LTC4151 features a single SDA pin to handle both input data and output data, while the LTC4151-1 provides separate SDAI (input) and SDAO (inverted output) pins to facilitate optoisolation. ...
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... The 12-bit digital code of each measured voltage is stored Figure 1. Monitoring High Side Current and Voltages Using the LTC4151 8 two adjacent registers out of the six total data registers A through F , with the eight MSBs in the fi rst register and the four LSBs in the second (Table 2) ...
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... F05 Figure 6. LTC4151 Serial Bus SDA Read Byte Protocol W A COMMAND A S ADDRESS b2: a3: Figure 7. LTC4151 Serial Bus SDA Read Word Protocol W A COMMAND A S ADDRESS R A DATA b2: a3: b7:b0 Figure 8 ...
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... Table 1. Address bits a6, a5 and a4 are confi gured to (110) and the least signifi cant bit is the R/W bit. In addi- tion, the LTC4151 and LTC4151-1 will respond to a mass write address (1100 110)b for writing to all LTC4151s and LTC4151-1s, regardless of their individual address settings ...
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... The master then sends a repeated Start condition followed by the same seven bit address with the R/W bit now set to one. The LTC4151/ LTC4151-1 acknowledge and send the contents of the requested register. The transmission terminates when the master sends a Stop condition ...
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... LTC4151/LTC4151-1 APPLICATIONS INFORMATION Table 2. LTC4151/LTC4151-1 Register Address and Contents REGISTER ADDRESS* REGISTER NAME 00h SENSE (A) 01h SENSE (B) 02h VIN (C) 03h VIN (D) 04h ADIN (E) 05h ADIN (F) 06h CONTROL (G) 07h Reserved *Register address MSBs b7-b3 are ignored. **Writable if bit G4 is set. Table 3. SENSE Registers A (00h) and B (O1h)—Read/Write ...
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... APPLICATIONS INFORMATION and each of the following (if more) data bytes Read Page command, the LTC4151/LTC4151-1 will keep sending out each data byte in the register that corresponds to the incrementing register pointer. The read operation terminates and the register address pointer resets to 00h when the master sends a Stop condition ...
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... LTC4151/LTC4151-1 PACKAGE DESCRIPTION 3.50 ±0.05 1.65 ±0.05 2.15 ±0.05 (2 SIDES) 0.25 ± 0.05 0.50 BSC 2.38 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS NOTE: 1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-2). CHECK THE LTC WEBSITE DATA SHEET FOR CURRENT STATUS OF VARIATION ASSIGNMENT 2. DRAWING NOT TO SCALE 3 ...
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... Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. LTC4151/LTC4151-1 3.00 ± 0.102 (.118 ± .004) 0.497 ± ...
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... High Voltage, High Side Current Sense Amplifi er LTC6101HV in SOT-23 Package Hot Swap and No Latency Delta Sigma are trademarks of Linear Technology Corporation. Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● with a Single LTC4151 0.02Ω SENSE SENSE V ...