Datasheet LTC2345-16 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Octal, 16-Bit, 200ksps Differential SoftSpan ADC with Wide Input Common Mode Range |
| 页数 / 页 | 40 / 9 — Typical perForMance characTerisTics. TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| 文件格式/大小 | PDF / 2.1 Mb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. TA = 25°C, VDD = 5V, OVDD = 2.5V, Internal
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LTC2345-16
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF = 4.096V), fSMPL = 200ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity Integral Nonlinearity vs Output Code and Channel vs Output Code and Channel vs Output Code and Range
1.00 1.00 1.00 ±4.096V RANGE ALL RANGES BIPOLAR DRIVE (IN– = 2.5V) 0.75 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) ALL CHANNELS 0.75 0.75 ONE CHANNEL ALL CHANNELS 0.50 0.50 0.50 0.25 0.25 ±2.048V AND ±2V 0.25 RANGES 0 0 0 –0.25 –0.25 –0.25 INL ERROR (LSB) DNL ERROR (LSB) INL ERROR (LSB) –0.50 –0.50 –0.50 –0.75 –0.75 –0.75 –1.00 –1.00 –1.00 –32768 –16384 0 16384 32768 0 16384 32768 49152 65536 –32768 –16384 0 16384 32768 OUTPUT CODE OUTPUT CODE OUTPUT CODE 234516 G01 234516 G02 234516 G03
Integral Nonlinearity Integral Nonlinearity Integral Nonlinearity vs Output Code and Range vs Output Code and Range vs Output Code
1.00 1.00 1.00 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) UNIPOLAR DRIVE (IN– = 0V) ±4.096V RANGE 0.75 ONE CHANNEL ONE CHANNEL 0.75 0.75 ARBITRARY DRIVE 0.50 0V TO 2.048V RANGE 0.50 IN+/IN– COMMON MODE ±2.048V AND ±2V 0.50 SWEPT 0V TO 5V RANGES 0.25 0.25 0.25 0 0 0 0V TO 4.096V AND 0V TO 4V RANGES –0.25 –0.25 –0.25 INL ERROR (LSB) ±4.096V AND ±4V INL ERROR (LSB) INL ERROR (LSB) –0.50 RANGES –0.50 –0.50 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) –0.75 –0.75 –0.75 –1.00 –1.00 –1.00 –32768 –16384 0 16384 32768 0 16384 32768 49152 65536 –32768 –16384 0 16384 32768 OUTPUT CODE OUTPUT CODE OUTPUT CODE 234516 G04 234516 G05 234516 G06
32k Point FFT fSMPL = 200kHz, DC Histogram (Zero-Scale) DC Histogram (Near Full-Scale) fIN = 2kHz
200000 200000 0 ±4.096V RANGE ±4.096V RANGE ±4.096V RANGE –20 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) 160000 160000 SNR = 91.1dB –40 THD = –111dB –60 SINAD = 91.1dB SFDR = 112dB 120000 120000 –80 –100 COUNTS 80000 COUNTS 80000 –120 AMPLITUDE (dBFS) –140 40000 40000 –160 0 0 –180 –4 –3 –2 –1 0 1 2 3 4 32753 32755 32757 32759 32761 0 20 40 60 80 100 CODE CODE FREQUENCY (KHz) 234516 G07 234516 G08 234516 G09 234516f For more information www.linear.com/LTC2345-16 9 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Configuration Tables Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, Internal Reference and Buffer (VREFBUF = 4.096V), fSMPL = 200ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity Integral Nonlinearity vs Output Code and Channel vs Output Code and Channel vs Output Code and Range
1.00 1.00 1.00 ±4.096V RANGE ALL RANGES BIPOLAR DRIVE (IN– = 2.5V) 0.75 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) ALL CHANNELS 0.75 0.75 ONE CHANNEL ALL CHANNELS 0.50 0.50 0.50 0.25 0.25 ±2.048V AND ±2V 0.25 RANGES 0 0 0 –0.25 –0.25 –0.25 INL ERROR (LSB) DNL ERROR (LSB) INL ERROR (LSB) –0.50 –0.50 –0.50 –0.75 –0.75 –0.75 –1.00 –1.00 –1.00 –32768 –16384 0 16384 32768 0 16384 32768 49152 65536 –32768 –16384 0 16384 32768 OUTPUT CODE OUTPUT CODE OUTPUT CODE 234516 G01 234516 G02 234516 G03
Integral Nonlinearity Integral Nonlinearity Integral Nonlinearity vs Output Code and Range vs Output Code and Range vs Output Code
1.00 1.00 1.00 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) UNIPOLAR DRIVE (IN– = 0V) ±4.096V RANGE 0.75 ONE CHANNEL ONE CHANNEL 0.75 0.75 ARBITRARY DRIVE 0.50 0V TO 2.048V RANGE 0.50 IN+/IN– COMMON MODE ±2.048V AND ±2V 0.50 SWEPT 0V TO 5V RANGES 0.25 0.25 0.25 0 0 0 0V TO 4.096V AND 0V TO 4V RANGES –0.25 –0.25 –0.25 INL ERROR (LSB) ±4.096V AND ±4V INL ERROR (LSB) INL ERROR (LSB) –0.50 RANGES –0.50 –0.50 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) –0.75 –0.75 –0.75 –1.00 –1.00 –1.00 –32768 –16384 0 16384 32768 0 16384 32768 49152 65536 –32768 –16384 0 16384 32768 OUTPUT CODE OUTPUT CODE OUTPUT CODE 234516 G04 234516 G05 234516 G06
32k Point FFT fSMPL = 200kHz, DC Histogram (Zero-Scale) DC Histogram (Near Full-Scale) fIN = 2kHz
200000 200000 0 ±4.096V RANGE ±4.096V RANGE ±4.096V RANGE –20 FULLY DIFFERENTIAL DRIVE (IN– = –IN+) 160000 160000 SNR = 91.1dB –40 THD = –111dB –60 SINAD = 91.1dB SFDR = 112dB 120000 120000 –80 –100 COUNTS 80000 COUNTS 80000 –120 AMPLITUDE (dBFS) –140 40000 40000 –160 0 0 –180 –4 –3 –2 –1 0 1 2 3 4 32753 32755 32757 32759 32761 0 20 40 60 80 100 CODE CODE FREQUENCY (KHz) 234516 G07 234516 G08 234516 G09 234516f For more information www.linear.com/LTC2345-16 9 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Configuration Tables Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Typical Application Related Parts