Datasheet LTC2205, LTC2204 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | 16-Bit, 65Msps ADCs |
| Seiten / Seite | 36 / 5 — COMMON MODE BIAS CHARACTERISTICS. The. denotes the specifi cations which … |
| Dateiformat / Größe | PDF / 1.4 Mb |
| Dokumentensprache | Englisch |
COMMON MODE BIAS CHARACTERISTICS. The. denotes the specifi cations which apply over
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Textversion des Dokuments
LTC2205/LTC2204
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 ±40 ppm/°C VCM Line Regulation 3.135V ≤ VDD ≤ 3.465V 1 mV/ V VCM Output Resistance 1mA ≤ | IOUT | ≤ 1mA 1 Ω
DIGITAL INPUTS AND DIGITAL OUTPUTS The
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) 1.2 3.0 V RIN Input Resistance (See Figure 2) 6 kΩ CIN Input Capacitance (Note 7) 3 pF
LOGIC INPUTS (DITH, PGA, SHDN, RAND)
VIH High Level Input Voltage VDD = 3.3V l 2 V VIL Low Level Input Voltage VDD = 3.3V l 0.8 V IIN Digital Input Current VIN = 0V to VDD l ±10 μA CIN Digital Input Capacitance (Note 7) 1.5 pF
LOGIC OUTPUTS OVDD = 3.3V
VOH High Level Output Voltage VDD = 3.3V IO = –10μA 3.299 V IO = –200μA l 3.1 3.29 V VOL Low Level Output Voltage VDD = 3.3V IO = –160μA 0.01 V IO = –1.6μA l 0.10 0.4 V ISOURCE Output Source Current VOUT = 0V –50 mA ISINK Output Sink Current VOUT = 3.3V 50 mA
OVDD = 2.5V
VOH High Level Output Voltage VDD = 3.3V IO = –200μA 2.49 V VOL Low Level Output Voltage VDD = 3.3V IO = 1.60mA 0.1 V
OVDD = 1.8V
VOH High Level Output Voltage VDD = 3.3V IO = –200μA 1.79 V VOL Low Level Output Voltage VDD = 3.3V IO = 1.60mA 0.1 V
POWER REQUIREMENTS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. LTC2204 LTC2205 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VDD Analog Supply Voltage 3.135 3.3 3.465 3.315 3.3 3.465 V PSHDN Shutdown Power SHDN = VDD 0.2 0.2 mW OVDD Output Supply Voltage l 0.5V 3.6 0.5V 3.3 3.6 V IVDD Analog Supply Current l 145 200 185 235 mA PDIS Power Dissipation l 480 660 610 776 mW 22054fc 5
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 ±40 ppm/°C VCM Line Regulation 3.135V ≤ VDD ≤ 3.465V 1 mV/ V VCM Output Resistance 1mA ≤ | IOUT | ≤ 1mA 1 Ω
DIGITAL INPUTS AND DIGITAL OUTPUTS The
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) 1.2 3.0 V RIN Input Resistance (See Figure 2) 6 kΩ CIN Input Capacitance (Note 7) 3 pF
LOGIC INPUTS (DITH, PGA, SHDN, RAND)
VIH High Level Input Voltage VDD = 3.3V l 2 V VIL Low Level Input Voltage VDD = 3.3V l 0.8 V IIN Digital Input Current VIN = 0V to VDD l ±10 μA CIN Digital Input Capacitance (Note 7) 1.5 pF
LOGIC OUTPUTS OVDD = 3.3V
VOH High Level Output Voltage VDD = 3.3V IO = –10μA 3.299 V IO = –200μA l 3.1 3.29 V VOL Low Level Output Voltage VDD = 3.3V IO = –160μA 0.01 V IO = –1.6μA l 0.10 0.4 V ISOURCE Output Source Current VOUT = 0V –50 mA ISINK Output Sink Current VOUT = 3.3V 50 mA
OVDD = 2.5V
VOH High Level Output Voltage VDD = 3.3V IO = –200μA 2.49 V VOL Low Level Output Voltage VDD = 3.3V IO = 1.60mA 0.1 V
OVDD = 1.8V
VOH High Level Output Voltage VDD = 3.3V IO = –200μA 1.79 V VOL Low Level Output Voltage VDD = 3.3V IO = 1.60mA 0.1 V
POWER REQUIREMENTS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. LTC2204 LTC2205 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
VDD Analog Supply Voltage 3.135 3.3 3.465 3.315 3.3 3.465 V PSHDN Shutdown Power SHDN = VDD 0.2 0.2 mW OVDD Output Supply Voltage l 0.5V 3.6 0.5V 3.3 3.6 V IVDD Analog Supply Current l 145 200 185 235 mA PDIS Power Dissipation l 480 660 610 776 mW 22054fc 5