Datasheet AD7760 (Analog Devices) - 5

AD7760 SPECIFICATIONS AVDD1 = DVDD = VDRIVE = 2.5 V, AVDD2 = AVDD3 = AVDD4 = 5 V, VREF+ = 4.096 V, MCLK amplitude = 5 V, TA = 25°C, normal mode, using the on-chip amplifier with components as shown in Table 8, unless otherwise noted.1
Table 2. Parameter Test Conditions/Comments Specification Unit
DYNAMIC PERFORMANCE Decimate by 256 MCLK = 40 MHz, ODR = 78 kHz, fIN = 1 kHz Dynamic Range Modulator inputs shorted 119 dB min 120.5 dB typ Signal-to-Noise Ratio (SNR)2 Input amplitude = −0.5 dBFS 112 dB typ Input amplitude = −60 dBFS 59 dB typ Spurious-Free Dynamic Range (SFDR) Nonharmonic, input amplitude = −6 dBFS 126 dBc typ Input amplitude = −60 dBFS 77 dBc typ Total Harmonic Distortion (THD) Input amplitude = −0.5 dBFS −105 dB typ Input amplitude = −6 dBFS −106 dB typ Input amplitude = −60 dBFS −75 dB typ Decimate by 32 MCLK = 40 MHz, ODR = 625 kHz, fIN =100 kHz Dynamic Range Modulator inputs shorted 108 dB min 109.5 dB typ Signal-to-Noise Ratio (SNR)2 Input amplitude = −0.5 dBFS 107 dB typ Spurious-Free Dynamic Range (SFDR) Nonharmonic, input amplitude = −6 dBFS 120 dBc typ Total Harmonic Distortion (THD) Input amplitude = −0.5 dBFS −105 dB typ Input amplitude = −6 dBFS −106 dB typ Decimate by 8 MCLK = 40 MHz, ODR = 2.5 MHz Dynamic Range Modulator inputs shorted 99 dB min 100.5 dB typ Signal-to-Noise Ratio (SNR)2 fIN = 1 kHz, input amplitude = −0.5 dBFS 100 dB typ fIN = 100 kHz, input amplitude = −0.5 dBFS 99 dB typ fIN = 1 MHz, input amplitude = −0.5 dBFS 98 dB typ Spurious-Free Dynamic Range (SFDR) Nonharmonic, fIN = 100 kHz, input amplitude = −6 dBFS 120 dBc typ Nonharmonic, fIN = 1 MHz, input amplitude = −6 dBFS 114 dBc typ Total Harmonic Distortion (THD) Input amplitude = −0.5 dBFS, fIN = 100 kHz −103 dB typ Input amplitude = −6 dBFS, fIN = 100 kHz −102 dB typ IMD Second Order fIN A = 989.95 kHz, fIN B = 999.95 kHz −115 dB typ IMD Third Order fIN A = 989.95 kHz, fIN B = 999.95 kHz −89 dB typ DC ACCURACY Resolution 24 Bits Differential Nonlinearity Guaranteed monotonic to 24 bits Integral Nonlinearity 0.00076 % typ Zero Error 0.014 % typ 0.02 % max Gain Error 0.016 % typ Zero Error Drift 0.00001 % FS/°C typ Gain Error Drift 0.0002 % FS/°C typ DIGITAL FILTER RESPONSE Decimate by 8 Group Delay MCLK = 40 MHz 12 µs typ Decimate by 32 Group Delay MCLK = 40 MHz 47 µs typ Decimate by 256 Group Delay MCLK = 40 MHz 358 µs typ Rev. A | Page 4 of 36