Datasheet LTC2142-12, LTC2141-12, LTC2140-12 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | 12-Bit, 65Msps Low Power Dual ADCs |
| Pages / Page | 38 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. LTC2142-12: 2nd, 3rd Harmonic. vs … |
| File Format / Size | PDF / 1.1 Mb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. LTC2142-12: 2nd, 3rd Harmonic. vs Input Frequency, –1dBFS,
Model Line for this Datasheet
- LTC2140CUP-12#PBF LTC2140CUP-12#PBF LTC2140CUP-12#TRPBF LTC2140CUP-12#TRPBF LTC2140IUP-12#PBF LTC2140IUP-12#PBF LTC2140IUP-12#TRPBF LTC2140IUP-12#TRPBF
Text Version of Document
LTC2142-12/ LTC2141-12/LTC2140-12
TYPICAL PERFORMANCE CHARACTERISTICS LTC2142-12: 2nd, 3rd Harmonic LTC2142-12: 2nd, 3rd Harmonic vs Input Frequency, –1dBFS, vs Input Frequency, –1dBFS, LTC2142-12: SFDR vs Input Level, 65Msps, 2V Range 65Msps, 1V Range fIN = 70MHz, 65Msps, 2V Range
100 100 110 100 95 95 dBFS 90 3RD 80 90 90 70 3RD 85 85 60 2ND dBc 50 80 80 2ND 40 75 75 SFDR (dBc AND dBFS) 30 20 2ND AND 3RD HARMONIC (dBFS) 70 2ND AND 3RD HARMONIC (dBFS) 70 10 65 65 0 0 50 100 150 200 250 300 0 50 100 150 200 250 300 –80 –70 –60 –50 –40 –30 –20 –10 0 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) INPUT LEVEL (dBFS) 21421012 G10 21421012 G11 21421012 G12
LTC2142-12: IVDD LTC2142-12: IOVDD vs Sample Rate, 5MHz, –1dBFS vs Sample Rate, 5MHz, –1dBFS, LTC2142-12: SNR Sine Wave Input on Each Channel Sine Wave on Each Channel vs SENSE, fIN = 5MHz, –1dBFS
55 70 72 60 3.5mA LVDS 71 50 LVDS OUTPUTS 50 70 40 (mA) (mA) 45 69 DD 1.75mA LVDS I VDD 30 CMOS OUTPUTS IOV SNR (dBFS) 68 20 40 10 67 1.8V CMOS 35 0 66 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 SAMPLE RATE (Msps) SAMPLE RATE (Msps) SENSE PIN (V) 21421012 G13 21421012 G14 21421012 G15
LTC2141-12: Integral LTC2141-12: Differential LTC2141-12: 64k Point FFT, Non-Linearity (INL) Non-Linearity (DNL) fIN = 5MHz, –1dBFS, 40Msps
1.0 1.0 0 0.8 0.8 –10 –20 0.6 0.6 –30 0.4 0.4 –40 0.2 0.2 –50 0.0 0 –60 –0.2 –0.2 –70 INL ERROR (LSB) –0.4 DNL ERROR (LSB) AMPLITUDE (dBFS) –80 –0.4 –90 –0.6 –0.6 –100 –0.8 –0.8 –110 –1.0 –1.0 –120 0 1024 2048 3072 4096 0 1024 2048 3072 4096 0 5 10 1 15 15 20 20 OUTPUT CODE OUTPUT CODE FREQUENCY (MHz) FREQUENCY (MHz) 21421012 G16 21421012 G17 21421012 G18 21421012 G18 21421012fa 21421012f 10
TYPICAL PERFORMANCE CHARACTERISTICS LTC2142-12: 2nd, 3rd Harmonic LTC2142-12: 2nd, 3rd Harmonic vs Input Frequency, –1dBFS, vs Input Frequency, –1dBFS, LTC2142-12: SFDR vs Input Level, 65Msps, 2V Range 65Msps, 1V Range fIN = 70MHz, 65Msps, 2V Range
100 100 110 100 95 95 dBFS 90 3RD 80 90 90 70 3RD 85 85 60 2ND dBc 50 80 80 2ND 40 75 75 SFDR (dBc AND dBFS) 30 20 2ND AND 3RD HARMONIC (dBFS) 70 2ND AND 3RD HARMONIC (dBFS) 70 10 65 65 0 0 50 100 150 200 250 300 0 50 100 150 200 250 300 –80 –70 –60 –50 –40 –30 –20 –10 0 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) INPUT LEVEL (dBFS) 21421012 G10 21421012 G11 21421012 G12
LTC2142-12: IVDD LTC2142-12: IOVDD vs Sample Rate, 5MHz, –1dBFS vs Sample Rate, 5MHz, –1dBFS, LTC2142-12: SNR Sine Wave Input on Each Channel Sine Wave on Each Channel vs SENSE, fIN = 5MHz, –1dBFS
55 70 72 60 3.5mA LVDS 71 50 LVDS OUTPUTS 50 70 40 (mA) (mA) 45 69 DD 1.75mA LVDS I VDD 30 CMOS OUTPUTS IOV SNR (dBFS) 68 20 40 10 67 1.8V CMOS 35 0 66 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 SAMPLE RATE (Msps) SAMPLE RATE (Msps) SENSE PIN (V) 21421012 G13 21421012 G14 21421012 G15
LTC2141-12: Integral LTC2141-12: Differential LTC2141-12: 64k Point FFT, Non-Linearity (INL) Non-Linearity (DNL) fIN = 5MHz, –1dBFS, 40Msps
1.0 1.0 0 0.8 0.8 –10 –20 0.6 0.6 –30 0.4 0.4 –40 0.2 0.2 –50 0.0 0 –60 –0.2 –0.2 –70 INL ERROR (LSB) –0.4 DNL ERROR (LSB) AMPLITUDE (dBFS) –80 –0.4 –90 –0.6 –0.6 –100 –0.8 –0.8 –110 –1.0 –1.0 –120 0 1024 2048 3072 4096 0 1024 2048 3072 4096 0 5 10 1 15 15 20 20 OUTPUT CODE OUTPUT CODE FREQUENCY (MHz) FREQUENCY (MHz) 21421012 G16 21421012 G17 21421012 G18 21421012 G18 21421012fa 21421012f 10
