Datasheet LTC2245 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 14-Bit, 10Msps Low Power 3V ADC |
| 页数 / 页 | 20 / 4 — DIGITAL I PUTS A D DIGITAL OUTPUTS The. denotes the specifications which … |
| 文件格式/大小 | PDF / 528 Kb |
| 文件语言 | 英语 |
DIGITAL I PUTS A D DIGITAL OUTPUTS The. denotes the specifications which apply over the
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LTC2245
U U DIGITAL I PUTS A D DIGITAL OUTPUTS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS LOGIC INPUTS (CLK, OE, SHDN)
VIH High Level Input Voltage VDD = 3V ● 2 V VIL Low Level Input Voltage VDD = 3V ● 0.8 V IIN Input Current VIN = 0V to VDD ● –10 10 µA CIN Input Capacitance (Note 7) 3 pF
LOGIC OUTPUTS OVDD = 3V
COZ Hi-Z Output Capacitance OE = High (Note 7) 3 pF ISOURCE Output Source Current VOUT = 0V 50 mA ISINK Output Sink Current VOUT = 3V 50 mA VOH High Level Output Voltage IO = –10µA 2.995 V IO = –200µA ● 2.7 2.99 V VOL Low Level Output Voltage IO = 10µA 0.005 V IO = 1.6mA ● 0.09 0.4 V
OVDD = 2.5V
VOH High Level Output Voltage IO = –200µA 2.49 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V
OVDD = 1.8V
VOH High Level Output Voltage IO = –200µA 1.79 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V
W U POWER REQUIRE E TS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 8) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Analog Supply Voltage (Note 9) ● 2.7 3 3.4 V OVDD Output Supply Voltage (Note 9) ● 0.5 3 3.6 V IVDD Supply Current ● 20 23 mA PDISS Power Dissipation ● 60 69 mW PSHDN Shutdown Power SHDN = H, OE = H, No CLK 2 mW PNAP Nap Mode Power SHDN = H, OE = L, No CLK 15 mW 2245fa 4
U U DIGITAL I PUTS A D DIGITAL OUTPUTS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS LOGIC INPUTS (CLK, OE, SHDN)
VIH High Level Input Voltage VDD = 3V ● 2 V VIL Low Level Input Voltage VDD = 3V ● 0.8 V IIN Input Current VIN = 0V to VDD ● –10 10 µA CIN Input Capacitance (Note 7) 3 pF
LOGIC OUTPUTS OVDD = 3V
COZ Hi-Z Output Capacitance OE = High (Note 7) 3 pF ISOURCE Output Source Current VOUT = 0V 50 mA ISINK Output Sink Current VOUT = 3V 50 mA VOH High Level Output Voltage IO = –10µA 2.995 V IO = –200µA ● 2.7 2.99 V VOL Low Level Output Voltage IO = 10µA 0.005 V IO = 1.6mA ● 0.09 0.4 V
OVDD = 2.5V
VOH High Level Output Voltage IO = –200µA 2.49 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V
OVDD = 1.8V
VOH High Level Output Voltage IO = –200µA 1.79 V VOL Low Level Output Voltage IO = 1.6mA 0.09 V
W U POWER REQUIRE E TS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 8) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Analog Supply Voltage (Note 9) ● 2.7 3 3.4 V OVDD Output Supply Voltage (Note 9) ● 0.5 3 3.6 V IVDD Supply Current ● 20 23 mA PDISS Power Dissipation ● 60 69 mW PSHDN Shutdown Power SHDN = H, OE = H, No CLK 2 mW PNAP Nap Mode Power SHDN = H, OE = L, No CLK 15 mW 2245fa 4