Datasheet LTC1391 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 8-Channel Analog Multiplexer with Cascadable Serial Interface |
| 页数 / 页 | 12 / 4 — ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply … |
| 修订版 | LTC1391: 8-Channel Analog Multiplexer with Cascadable Serial Interface Data Sheet |
| 文件格式/大小 | PDF / 185 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply over the full operating
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LTC1391
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. V+ = 2.7V, V– = GND = 0V, unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Dynamic
fCLK Clock Frequency (Note 2) 5 MHz tON Enable Turn-On Time VS = 1.5V, RL = 1k, CL = 35pF (Note 4) 490 800 ns tOFF Enable Turn-Off Time VS = 1.5V, RL = 1k, CL = 35pF (Note 4) 190 400 ns tOPEN Break-Before-Make Interval (Note 4) 125 290 ns QIRR Off Isolation VS = 2VP–P, RL = 1k, f = 100kHz 70 dB QINJ Charge Injection RS = 0, CL = 1000pF, VS = 1V (Note 2) ±1 ±5 pC CS(OFF) Input Off Capacitance 5 pF CD(OFF) Output Off Capacitance 10 pF
Supply
I+ Positive Supply Current All Logic Inputs Tied Together, VIN = 0V or 2.7V ● 0.2 2 µA
Note 1:
Absolute Maximum Ratings are those values beyond which the life
Note 3:
Leakage current with a single 2.7V supply is guaranteed by of a device may be impaired. correlation with the ±5V leakage current specifications.
Note 2:
Guaranteed by Design.
Note 4:
Timing specifications with a single 2.7V supply are guaranteed by correlation with the ±5V timing specifications.
W U TYPICAL PERFOR A CE CHARACTERISTICS Driver Output Low Voltage Driver Output Low Voltage On-Resistance vs Temperature vs Output Current vs Temperature
300 1.2 0.65 T V+ = 2.7V 1.1 A = 25°C 0.60 250 V – = 0V 1.0 0.55 V+ = 5V V V+ = 2.7V V – = –5V ) S = 1.2V 0.9 Ω V – = 0V 0.50 IO = 1.8mA 200 0.8 0.45 0.7 0.40 150 0.6 0.35 0.5 0.30 100 0.4 ON-RESISTANCE ( V+ = 5V V+ = 2.7V OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 0.25 V – = –5V 0.3 V – = 0V V+ = 5V I 50 VS = 0V V – = –5V 0.20 O = 400µA 0.2 0.1 0.15 0 0 0.10 –40 –20 0 20 40 60 80 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 –40 –20 0 20 40 60 80 TEMPERATURE (°C) OUTPUT CURRENT (mA) TEMPERATURE (°C) 1391 G01 1391 G02 1391 G03 sn1391 1391fas 4
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. V+ = 2.7V, V– = GND = 0V, unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Dynamic
fCLK Clock Frequency (Note 2) 5 MHz tON Enable Turn-On Time VS = 1.5V, RL = 1k, CL = 35pF (Note 4) 490 800 ns tOFF Enable Turn-Off Time VS = 1.5V, RL = 1k, CL = 35pF (Note 4) 190 400 ns tOPEN Break-Before-Make Interval (Note 4) 125 290 ns QIRR Off Isolation VS = 2VP–P, RL = 1k, f = 100kHz 70 dB QINJ Charge Injection RS = 0, CL = 1000pF, VS = 1V (Note 2) ±1 ±5 pC CS(OFF) Input Off Capacitance 5 pF CD(OFF) Output Off Capacitance 10 pF
Supply
I+ Positive Supply Current All Logic Inputs Tied Together, VIN = 0V or 2.7V ● 0.2 2 µA
Note 1:
Absolute Maximum Ratings are those values beyond which the life
Note 3:
Leakage current with a single 2.7V supply is guaranteed by of a device may be impaired. correlation with the ±5V leakage current specifications.
Note 2:
Guaranteed by Design.
Note 4:
Timing specifications with a single 2.7V supply are guaranteed by correlation with the ±5V timing specifications.
W U TYPICAL PERFOR A CE CHARACTERISTICS Driver Output Low Voltage Driver Output Low Voltage On-Resistance vs Temperature vs Output Current vs Temperature
300 1.2 0.65 T V+ = 2.7V 1.1 A = 25°C 0.60 250 V – = 0V 1.0 0.55 V+ = 5V V V+ = 2.7V V – = –5V ) S = 1.2V 0.9 Ω V – = 0V 0.50 IO = 1.8mA 200 0.8 0.45 0.7 0.40 150 0.6 0.35 0.5 0.30 100 0.4 ON-RESISTANCE ( V+ = 5V V+ = 2.7V OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) 0.25 V – = –5V 0.3 V – = 0V V+ = 5V I 50 VS = 0V V – = –5V 0.20 O = 400µA 0.2 0.1 0.15 0 0 0.10 –40 –20 0 20 40 60 80 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 –40 –20 0 20 40 60 80 TEMPERATURE (°C) OUTPUT CURRENT (mA) TEMPERATURE (°C) 1391 G01 1391 G02 1391 G03 sn1391 1391fas 4