LT1461 LINER [Linear Technology], LT1461 Datasheet
LT1461
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LT1461 Summary of contents
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FEATURES ■ ±V Differential Input Range CC ■ 16-Bit Resolution (Including Sign), No Missing Codes ■ 2LSB Offset Error ■ 4LSB Full-Scale Error ■ 60 Conversions Per Second ■ Single Conversion Settling Time for Multiplexed Applications ■ Single-Cycle Operation with ...
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LTC2453 ABSOLUTE MAXIMUM RATINGS (Notes 1, 2) Supply Voltage (V ) ................................... –0. – Analog Input Voltage ( –0. – Reference Voltage ( ...
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ANALOG INPUTS AND REFERENCES operating temperature range, otherwise specifi cations are at T SYMBOL PARAMETER + V Positive Input Voltage Range IN – V Negative Input Voltage Range Positive Reference Voltage Range REF – V Negative Reference ...
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LTC2453 TIMING CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER t Conversion Time CONV f SCL Clock Frequency SCL t Hold Time (Repeated) START Condition HD(SDA) t LOW Period of the SCL Pin LOW ...
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TYPICAL PERFORMANCE CHARACTERISTICS Offset Error vs Temperature REF + 4. REF REF 0 –1 –50 –25 ...
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LTC2453 PIN FUNCTIONS GND (Pin 1): Ground. Connect to a ground plane through a low impedance connection. – + REF (Pin 2), REF (Pin 3): Differential Reference Input. The voltage on these pins can have any value between GND and ...
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APPLICATIONS INFORMATION CONVERTER OPERATION Converter Operation Cycle The LTC2453 is a low-power, fully differential, delta-sigma analog-to-digital converter with an I tion, as shown in Figure 1, is composed of three successive states: CONVERSION, SLEEP and DATA OUTPUT. Initially, at power ...
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LTC2453 APPLICATIONS INFORMATION Reference Voltage Range This converter accepts a truly differential external reference voltage. The absolute/common mode voltage range for + – REF and REF pins covers the entire operating range of the device (GND For ...
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APPLICATIONS INFORMATION SDA LOW SCL t HD(STA Figure 3. Defi nition of Timing for Fast/Standard Mode Devices on the I 1 SCL 7-BIT SDA ADDRESS START BY MASTER SLEEP Data Transferring 2 After ...
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LTC2453 APPLICATIONS INFORMATION CONVERSION 7-BIT ADDRESS S R ACK (0010100) SLEEP CONVERSION Figure 6. Consecutive Reading at the Same Confi guration CONVERSION Figure 7. Start a New Conversion without Reading Old Conversion Result Discarding a Conversion Result and Initiating a ...
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APPLICATIONS INFORMATION 15k I LEAK (TYP) + REF I LEAK 15k I LEAK (TYP LEAK 15k I LEAK (TYP) IN – I LEAK V CC ...
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LTC2453 APPLICATIONS INFORMATION 2) The bandwidth from V is reduced at the input pins SIG + – ( This bandwidth reduction isolates the ADC from high frequency signals, and as such provides simple antialiasing and input noise ...
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APPLICATIONS INFORMATION 0 –20 –40 –60 –80 –100 1.00 0 2.5 5.0 7.5 INPUT SIGNAL FREQUENCY (MHz) Figure 12. LTC2453 Input Signal Attentuation vs Frequency Signal Bandwidth, Transition Noise and Noise Equivalent Input Bandwidth 1 The LTC2453 includes a sinc ...
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LTC2453 TYPICAL APPLICATION + V LT6660 JP1 EXT IN OUT C4 C3 GND GND 1μF 1μ 1.0Ω REF CC C1 0.1μ REF ...
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PACKAGE DESCRIPTION 0.61 ±0.05 (2 SIDES) 2.55 ±0.05 1.15 ±0.05 0.25 ± 0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS PIN 1 BAR TOP MARK (SEE NOTE 6) 0.200 REF NOTE: 1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE OUTLINE ...
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... LTC2453 RELATED PARTS PART NUMBER DESCRIPTION LT1236A-5 Precision Bandgap Reference, 5V LT1461 Micropower Series Reference, 2.5V LT1790 Micropower Precision Reference in TSOT-23-6 Package LTC1860/LTC1861 12-Bit, 5V, 1-/2-Channel 250ksps SAR ADC in MSOP LTC1860L/LTC1861L 12-Bit, 3V, 1-/2-Channel 150ksps SAR ADC LTC1864/LTC1865 16-Bit, 5V, 1-/2-Channel 250ksps SAR ADC in MSOP LTC1864L/LTC1865L 16-bit, 3V, 1-/2-Channel 150ksps SAR ADC 24-Bit No Latency Δ ...