Datasheet LTC2145-12, LTC2144-12, LTC2143-12 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | 12-Bit, 125Msps Low Power Dual ADCs |
| Pages / Page | 38 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. LTC2145-12: 2nd, 3rd Harmonic. vs … |
| File Format / Size | PDF / 1.0 Mb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. LTC2145-12: 2nd, 3rd Harmonic. vs Input Frequency, –1dBFS,
Model Line for this Datasheet
- LTC2143CUP-12#PBF LTC2143CUP-12#PBF LTC2143CUP-12#TRPBF LTC2143CUP-12#TRPBF LTC2143IUP-12#PBF LTC2143IUP-12#PBF LTC2143IUP-12#TRPBF LTC2143IUP-12#TRPBF
Text Version of Document
LTC2145-12/ LTC2144-12/LTC2143-12
TYPICAL PERFORMANCE CHARACTERISTICS LTC2145-12: 2nd, 3rd Harmonic LTC2145-12: 2nd, 3rd Harmonic vs Input Frequency, –1dBFS, vs Input Frequency, –1dBFS, LTC2145-12: SFDR vs Input Level, 125Msps, 2V Range 125Msps, 1V Range fIN = 70MHz, 125Msps, 2V Range
100 100 110 100 95 95 dBFS 90 3RD 80 90 90 70 3RD dBc 85 85 60 2ND 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) 21454312 G10 21454312 G11 21454312 G12
LTC2145-12: IVDD vs Sample LTC2145-12: IOVDD vs Sample Rate, 5MHz, –1dBFS Sine Wave Rate, 5MHz, –1dBFS, Sine Wave LTC2145-12: SNR vs SENSE, Input on Each Channel on Each Input fIN = 5MHz, –1dBFS
110 60 72 3.5mA LVDS 105 50 71 100 LVDS OUTPUTS 70 95 40 69 1.75mA LVDS (mA) 90 (mA) 30 DD I VDD 68 85 CMOS OUTPUTS IOV SNR (dBFS) 20 80 67 1.8V CMOS 75 10 66 1.2V CMOS 70 0 65 0 25 50 75 100 125 0 25 50 75 100 125 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 SAMPLE RATE (Msps) SAMPLE RATE (Msps) SENSE PIN (V) 21454312 G13 21454312 G14 21454312 G15
LTC2144-12: Integral LTC2144-12: Differential LTC2144-12: 64k Point FFT, Non-Linearity (INL) Non-Linearity (DNL) fIN = 5MHz, –1dBFS, 105Msps
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 10 20 30 40 50 OUTPUT CODE OUTPUT CODE FREQUENCY (MHz) FREQUENCY (MHz) 21454312 G16 21454312 G17 21454312 G18 21454312 G18 21454312fa 21454312f 10
TYPICAL PERFORMANCE CHARACTERISTICS LTC2145-12: 2nd, 3rd Harmonic LTC2145-12: 2nd, 3rd Harmonic vs Input Frequency, –1dBFS, vs Input Frequency, –1dBFS, LTC2145-12: SFDR vs Input Level, 125Msps, 2V Range 125Msps, 1V Range fIN = 70MHz, 125Msps, 2V Range
100 100 110 100 95 95 dBFS 90 3RD 80 90 90 70 3RD dBc 85 85 60 2ND 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) 21454312 G10 21454312 G11 21454312 G12
LTC2145-12: IVDD vs Sample LTC2145-12: IOVDD vs Sample Rate, 5MHz, –1dBFS Sine Wave Rate, 5MHz, –1dBFS, Sine Wave LTC2145-12: SNR vs SENSE, Input on Each Channel on Each Input fIN = 5MHz, –1dBFS
110 60 72 3.5mA LVDS 105 50 71 100 LVDS OUTPUTS 70 95 40 69 1.75mA LVDS (mA) 90 (mA) 30 DD I VDD 68 85 CMOS OUTPUTS IOV SNR (dBFS) 20 80 67 1.8V CMOS 75 10 66 1.2V CMOS 70 0 65 0 25 50 75 100 125 0 25 50 75 100 125 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 SAMPLE RATE (Msps) SAMPLE RATE (Msps) SENSE PIN (V) 21454312 G13 21454312 G14 21454312 G15
LTC2144-12: Integral LTC2144-12: Differential LTC2144-12: 64k Point FFT, Non-Linearity (INL) Non-Linearity (DNL) fIN = 5MHz, –1dBFS, 105Msps
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 10 20 30 40 50 OUTPUT CODE OUTPUT CODE FREQUENCY (MHz) FREQUENCY (MHz) 21454312 G16 21454312 G17 21454312 G18 21454312 G18 21454312fa 21454312f 10
