LT1236A-5 LINER [Linear Technology], LT1236A-5 Datasheet
LT1236A-5
Related parts for LT1236A-5
LT1236A-5 Summary of contents
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FEATURES n GND to V Single-Ended Input Range Conversions Per Second n 0.02LSB RMS Noise n 16-Bits, No Missing Codes n 0.5mV Offset Error n 4LSB Full-Scale Error n Single Conversion Settling Time for Multiplexed Applications n ...
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LTC2450-1 ABSOLUTE MAXIMUM RATINGS (Notes 1, 2) Supply Voltage (V ) ................................... –0. Analog Input Voltage (V ) ............–0. Digital Input Voltage ......................–0. Digital Output Voltage ...................–0. Operating Temperature Range ...
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POWER REQUIREMENTS range,otherwise specifi cations are SYMBOL PARAMETER V Supply Voltage CC I Supply Current CC Conversion Sleep DIGITAL INPUTS AND DIGITAL OUTPUTS operating temperature range,otherwise specifi cations are at T SYMBOL PARAMETER V High Level Input ...
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LTC2450-1 TYPICAL PERFORMANCE CHARACTERISTICS Integral Nonlinearity 3 REF 2.5 2.0 1.5 1.0 0 –45°C, 25°C, 90°C –0.5 A –1.0 –1.5 –2.0 –2.5 –3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 ...
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TYPICAL PERFORMANCE CHARACTERISTICS Sleep Mode Power Supply Current vs Temperature 250 200 V 150 V 100 –45 –25 –5 15 TEMPERATURE (°C) 10000 = 5V CC 1000 = 4.1V CC 100 = ...
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LTC2450-1 PIN FUNCTIONS V (Pin 1): Positive Supply Voltage and Converter Refer- CC ence Voltage. Bypass to GND (Pin 3) with a 10μF capacitor in parallel with a low series inductance 0.1μF capacitor located as close to the part as ...
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APPLICATIONS INFORMATION CONVERTER OPERATION Converter Operation Cycle The LTC2450 low power, delta-sigma analog-to- digital converter with a simple 3-wire interface (see Figure 1). Its operation is composed of three successive states: CONVERT, SLEEP and DATA OUTPUT. The operat- ...
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LTC2450-1 APPLICATIONS INFORMATION Ease of Use The LTC2450-1 data output has no latency, fi lter settling delay or redundant results associated with the conversion cycle. There is a one-to-one correspondence between the conversion and the output data. Therefore, multiplexing multiple ...
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APPLICATIONS INFORMATION Conversion Status Monitor For certain applications, the user may wish to monitor the LTC2450-1 conversion status. This can be achieved by holding SCK HIGH during the conversion cycle. In this condition, whenever the CS input pin is pulled ...
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LTC2450-1 APPLICATIONS INFORMATION Serial Clock Idle-High (CPOL = 1) Examples In Figure 5, following a conversion cycle the LTC2450-1 automatically enters the low power sleep mode. The user can monitor the conversion status at convenient intervals using CS and SDO. ...
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APPLICATIONS INFORMATION CS SD0 SCK CONVERT Figure 7. Idle-Low (CPOL = 0) Clock. ⎯ C ⎯ S Triggers a New Conversion CS SD0 SCK CONVERT Figure 8. Idle-Low (CPOL = 0) Clock. The 16th SCK Falling Edge Triggers a New ...
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LTC2450-1 APPLICATIONS INFORMATION CS SD0 SCK CONVERT LOW I Figure 9. Idle-High (CPOL = 1) Clock and Aborted I/O Example CS SD0 SCK CONVERT SLEEP LOW I Figure 10. Idle-Low (CPOL = 0) Clock and Aborted I/O Example CS SD0 ...
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APPLICATIONS INFORMATION 2-Wire Operation The 2-wire operation modes, while reducing the number of required control signals, should be used only if the LTC2450-1 low power sleep capability is not required. In addition the option to abort serial data transfers is ...
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LTC2450-1 APPLICATIONS INFORMATION Digital Signal Levels The LTC2450-1’s digital interface is easy to use. Its digital inputs (SCK and CS) accept standard CMOS logic levels and the internal hysteresis receivers can tolerate edge rates as slow as 100μs. However, some ...
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APPLICATIONS INFORMATION elements which reduce the ADC performance sensitivity to PCB layout and external components. Nevertheless, the very high accuracy of this converter is best preserved by careful low and high frequency power supply decoupling. A 0.1μF , high quality, ...
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LTC2450-1 APPLICATIONS INFORMATION For most applications desirable to implement C a high quality 0.1μF ceramic capacitor and R capacitor should be located as close as possible to the actual V package pin. Furthermore the area encompassed IN by ...
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APPLICATIONS INFORMATION Signal Bandwidth and Noise Equivalent Input Bandwidth 1 The LTC2450-1 includes a sinc type digital fi lter with the fi rst notch located 60Hz. As such the 3dB input 0 signal bandwidth is 26.54Hz. The ...
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LTC2450-1 TYPICAL APPLICATION THERMISTOR 18 Thermistor Measurement 5V V 10k CC V LTC2450-1 IN 100nF 1k TO 10k GND 24501 TA02 CS SCK SDO 24501fb ...
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PACKAGE DESCRIPTION 2.50 ±0.05 0.61 ±0.05 1.15 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS PIN 1 BAR TOP MARK (SEE NOTE 6) 0.200 REF Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, ...
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LTC2450-1 TYPICAL APPLICATIONS Easy Active Input PRECONDITIONED SENSOR WITH VOLTAGE OUTPUT LTC2450-1 OUT GND 100nF RELATED PARTS PART NUMBER DESCRIPTION ® LT 1236A-5 Precision Bandgap Reference, 5V LT1461 Micropower Series Reference, 2.5V LTC1860/LTC1861 12-Bit, 5V, 1-/2-Channel 250ksps ...