Datasheet LTC2273, LTC2272 (Analog Devices) - 5

FabricanteAnalog Devices
Descripción16-Bit, 80Msps Serial Output ADC (JESD204)
Páginas / Página44 / 5 — COMMON MODE BIAS CHARACTERISTICS. The. denotes the specifi cations which …
Formato / tamaño de archivoPDF / 791 Kb
Idioma del documentoInglés

COMMON MODE BIAS CHARACTERISTICS. The. denotes the specifi cations which apply over

COMMON MODE BIAS CHARACTERISTICS The denotes the specifi cations which apply over

Línea de modelo para esta hoja de datos

Versión de texto del documento

LTC2273/LTC2272
COMMON MODE BIAS CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 1.15 1.25 1.35 V VCM Output Tempco IOUT = 0 l 40 ppm/°C VCM Line Regulation 3.135V ≤ VDD ≤ 3.465V l 1 mV/V VCM Output Resistance –1mA ≤ | IOUT | ≤ 1mA l 2 Ω
The DIGITAL INPUTS AND DIGITAL OUTPUTS
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Encode Inputs (ENC+, ENC–)
VID Differential Input Voltage (Note 7) l 0.2 V VICM Common Mode Input Voltage Internally Set 1.6 V Externally Set (Note 7) 1.4 3.0 RIN Input Resistance (See Figure 2) 6 kΩ CIN Input Capacitance 3 pF
SYNC Inputs (SYNC
+
, SYNC

)
VSID SYNC Differential Input (Note 7) l 0.2 V Voltage VSICM SYNC Common Mode Input Internally Set 1.6 V Voltage Externally Set (Note 7) 1.1 2.2 RSIN SYNC Input Resistance 16.5 kΩ CSIN SYNC Input Capacitance 3 pF
Logic Inputs (DITH, PGA, MSBINV, SCRAM, FAM, SHDN, SRR1, SRR0, ISMODE, PAT1, PAT0)
VIH High Level Input Voltage VDD = 3.3V l 2 V VIL Low Level Input Voltage VDD = 3.3V l 0.8 V IIN Input Current VIN = 0V to VDD l ±20 μA CIN Input Capacitance 1.5 pF
High-Speed Serial Outputs (CMLOUT+, CMLOUT–)
VOH Output High Level Directly-Coupled 50Ω to OVDD OVDD V Directly-Coupled 100Ω Differential OVDD – 0.2 V AC-Coupled OVDD – 0.2 V VOL Output Low Level Directly-Coupled 50Ω to OVDD OVDD – 0.4 V Directly-Coupled 100Ω Differential OVDD – 0.6 V AC-Coupled OVDD – 0.6 V VOCM Output Common Mode Directly-Coupled 50Ω to OVDD OVDD – 0.2 V Voltage Directly-Coupled 100Ω Differential OVDD – 0.4 V AC-Coupled OVDD – 0.4 V ROUT Output Resistance Single-Ended Differential l 35 50 65 Ω 100 Ω 22732fa 5