Datasheet LTC1407-1, LTC1407A-1 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Serial 12-Bit/14-Bit, 3Msps Simultaneous Sampling ADCs with Shutdown |
| 页数 / 页 | 26 / 4 — INTERNAL REFERENCE CHARACTERISTICS TA = 25°C. VDD = 3V. PARAMETER. … |
| 文件格式/大小 | PDF / 520 Kb |
| 文件语言 | 英语 |
INTERNAL REFERENCE CHARACTERISTICS TA = 25°C. VDD = 3V. PARAMETER. CONDITIONS. MIN. TYP. MAX. UNITS
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LTC1407-1/LTC1407A-1
INTERNAL REFERENCE CHARACTERISTICS TA = 25°C. VDD = 3V. PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Output Voltage IOUT = 0 2.5 V VREF Output Tempco 15 ppm/°C VREF Line Regulation VDD = 2.7V to 3.6V, VREF = 2.5V 600 μV/V VREF Output Resistance Load Current = 0.5mA 0.2 Ω VREF Setting Time 2 ms
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. VDD = 3V. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VDD = 3.3V l 2.4 V VIL Low Level Input Voltage VDD = 2.7V l 0.6 V IIN Digital Input Current VIN = 0V to VDD l ±10 μA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage VDD = 3V, IOUT = –200μA l 2.5 2.9 V VOL Low Level Output Voltage VDD = 2.7V, IOUT = 160μA 0.05 V VDD = 2.7V, IOUT = 1.6mA l 0.10 0.4 V IOZ Hi-Z Output Leakage DOUT VOUT = 0V to VDD l ±10 μA COZ Hi-Z Output Capacitance DOUT 1 pF ISOURCE Output Short-Circuit Source Current VOUT = 0V, VDD = 3V 20 mA ISINK Output Short-Circuit Sink Current VOUT = VDD = 3V 15 mA
POWER REQUIREMENTS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. With internal reference, VDD = 3V. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Supply Voltage 2.7 3.6 V IDD Supply Current Active Mode, fSAMPLE = 1.5Msps l 4.7 7.0 mA Nap Mode l 1.1 1.5 mA Sleep Mode (LTC1407) 2.0 15 μA Sleep Mode (LTC1407A) 2.0 10 μA PD Power Dissipation Active Mode with SCK in Fixed State (Hi or Lo) 12 mW 14071fb 4
INTERNAL REFERENCE CHARACTERISTICS TA = 25°C. VDD = 3V. PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Output Voltage IOUT = 0 2.5 V VREF Output Tempco 15 ppm/°C VREF Line Regulation VDD = 2.7V to 3.6V, VREF = 2.5V 600 μV/V VREF Output Resistance Load Current = 0.5mA 0.2 Ω VREF Setting Time 2 ms
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. VDD = 3V. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VDD = 3.3V l 2.4 V VIL Low Level Input Voltage VDD = 2.7V l 0.6 V IIN Digital Input Current VIN = 0V to VDD l ±10 μA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage VDD = 3V, IOUT = –200μA l 2.5 2.9 V VOL Low Level Output Voltage VDD = 2.7V, IOUT = 160μA 0.05 V VDD = 2.7V, IOUT = 1.6mA l 0.10 0.4 V IOZ Hi-Z Output Leakage DOUT VOUT = 0V to VDD l ±10 μA COZ Hi-Z Output Capacitance DOUT 1 pF ISOURCE Output Short-Circuit Source Current VOUT = 0V, VDD = 3V 20 mA ISINK Output Short-Circuit Sink Current VOUT = VDD = 3V 15 mA
POWER REQUIREMENTS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. With internal reference, VDD = 3V. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Supply Voltage 2.7 3.6 V IDD Supply Current Active Mode, fSAMPLE = 1.5Msps l 4.7 7.0 mA Nap Mode l 1.1 1.5 mA Sleep Mode (LTC1407) 2.0 15 μA Sleep Mode (LTC1407A) 2.0 10 μA PD Power Dissipation Active Mode with SCK in Fixed State (Hi or Lo) 12 mW 14071fb 4