Datasheet LTC2217 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 16-Bit, 105Msps Low Noise ADC |
| 页数 / 页 | 32 / 5 — The. DIGITAL INPUTS AND DIGITAL OUTPUTS. denotes the specifi cations which … |
| 文件格式/大小 | PDF / 1.3 Mb |
| 文件语言 | 英语 |
The. DIGITAL INPUTS AND DIGITAL OUTPUTS. denotes the specifi cations which apply over the
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LTC2217
The DIGITAL INPUTS AND DIGITAL OUTPUTS
●
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) ● 0.2 V VICM Common Mode Input Voltage Internally Set 1.6 V Externally Set (Note 7) 1.2 3 V RIN Input Resistance (See Figure 2) 6 kΩ CIN Input Capacitance (Note 7) 3 pF
Logic Inputs
VIH High Level Input Voltage VDD = 3.3V ● 2 V VIL Low Level Input Voltage VDD = 3.3V ● 0.8 V IIN Digital Input Current VIN = 0V to VDD ● ±10 μA CIN Digital Input Capacitance (Note 7) 1.5 pF
LOGIC OUTPUTS (CMOS MODE) OVDD = 3.3V
VOH High Level Output Voltage VDD = 3.3V IO = –10μA 3.299 V IO = –200μA ● 3.1 3.29 V VOL Low Level Output Voltage VDD = 3.3V IO = 160μA 0.01 V IO = 1.6mA ● 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
LOGIC OUTPUTS (LVDS MODE) STANDARD LVDS
VOD Differential Output Voltage 100Ω Differential Load ● 247 350 454 mV VOS Output Common Mode Voltage 100Ω Differential Load ● 1.125 1.2 1.375 V
Low Power LVDS
VOD Differential Output Voltage 100Ω Differential Load ● 125 175 250 mV VOS Output Common Mode Voltage 100Ω Differential Load ● 1.125 1.2 1.375 V 2217f 5
The DIGITAL INPUTS AND DIGITAL OUTPUTS
●
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) ● 0.2 V VICM Common Mode Input Voltage Internally Set 1.6 V Externally Set (Note 7) 1.2 3 V RIN Input Resistance (See Figure 2) 6 kΩ CIN Input Capacitance (Note 7) 3 pF
Logic Inputs
VIH High Level Input Voltage VDD = 3.3V ● 2 V VIL Low Level Input Voltage VDD = 3.3V ● 0.8 V IIN Digital Input Current VIN = 0V to VDD ● ±10 μA CIN Digital Input Capacitance (Note 7) 1.5 pF
LOGIC OUTPUTS (CMOS MODE) OVDD = 3.3V
VOH High Level Output Voltage VDD = 3.3V IO = –10μA 3.299 V IO = –200μA ● 3.1 3.29 V VOL Low Level Output Voltage VDD = 3.3V IO = 160μA 0.01 V IO = 1.6mA ● 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
LOGIC OUTPUTS (LVDS MODE) STANDARD LVDS
VOD Differential Output Voltage 100Ω Differential Load ● 247 350 454 mV VOS Output Common Mode Voltage 100Ω Differential Load ● 1.125 1.2 1.375 V
Low Power LVDS
VOD Differential Output Voltage 100Ω Differential Load ● 125 175 250 mV VOS Output Common Mode Voltage 100Ω Differential Load ● 1.125 1.2 1.375 V 2217f 5