Datasheet LTC1603 (Analog Devices) - 4
| Fabricante | Analog Devices |
| Descripción | High Speed, 16-Bit, 250ksps Sampling A/D Converter with Shutdown |
| Páginas / Página | 20 / 4 — POWER REQUIRE E TS The. denotes the specifications which apply over the … |
| Formato / tamaño de archivo | PDF / 261 Kb |
| Idioma del documento | Inglés |
POWER REQUIRE E TS The. denotes the specifications which apply over the full operating temperature
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LTC1603
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 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Positive Supply Voltage (Notes 12, 13) 4.75 5.25 V VSS Negative Supply Voltage (Note 12) – 4.75 – 5.25 V IDD Positive Supply Current CS = RD = 0V ● 18 30 mA Nap Mode CS = 0V, SHDN = 0V 1.5 2.4 mA Sleep Mode CS = 5V, SHDN = 0V 1 100 µA ISS Negative Supply Current CS = RD = 0V ● 26 40 mA Nap Mode CS = 0V, SHDN = 0V 1 100 µA Sleep Mode CS = 5V, SHDN = 0V 1 100 µA PD Power Dissipation CS = RD = 0V ● 220 350 mW Nap Mode CS = 0V, SHDN = 0V 7.5 12 mW Sleep Mode CS = 5V, SHDN = 0V 0.01 1 mW
W U TI I G CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSMPL(MAX) Maximum Sampling Frequency ● 250 kHz tCONV Conversion Time ● 2.2 3.3 3.8 µs tACQ Acquisition Time (Note 11) ● 480 ns tACQ+CONV Throughput Time (Acquisition + Conversion) ● 4 µs t1 CS to RD Setup Time (Notes 11, 12) ● 0 ns t2 CS↓ to CONVST↓ Setup Time (Notes 11, 12) ● 10 ns t3 SHDN↓ to CS↑ Setup Time (Notes 11, 12) ● 10 ns t4 SHDN↑ to CONVST↓ Wake-Up Time CS = Low (Note 12) 400 ns t5 CONVST Low Time (Note 12) ● 40 ns t6 CONVST to BUSY Delay CL = 25pF 36 ns ● 80 ns t7 Data Ready Before BUSY↑ 60 ns ● 32 ns t8 Delay Between Conversions (Note 12) ● 200 ns t9 Wait Time RD↓ After BUSY↑ (Note 12) ● – 5 ns t10 Data Access Time After RD↓ CL = 25pF 40 50 ns ● 60 ns CL = 100pF 45 60 ns ● 75 ns t11 Bus Relinquish Time 50 60 ns LTC1603C ● 70 ns LTC1603I ● 75 ns t12 RD Low Time (Note 12) ● t10 ns t13 CONVST High Time (Note 12) ● 40 ns t14 Aperture Delay of Sample-and-Hold 2 ns 1603f 4
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 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Positive Supply Voltage (Notes 12, 13) 4.75 5.25 V VSS Negative Supply Voltage (Note 12) – 4.75 – 5.25 V IDD Positive Supply Current CS = RD = 0V ● 18 30 mA Nap Mode CS = 0V, SHDN = 0V 1.5 2.4 mA Sleep Mode CS = 5V, SHDN = 0V 1 100 µA ISS Negative Supply Current CS = RD = 0V ● 26 40 mA Nap Mode CS = 0V, SHDN = 0V 1 100 µA Sleep Mode CS = 5V, SHDN = 0V 1 100 µA PD Power Dissipation CS = RD = 0V ● 220 350 mW Nap Mode CS = 0V, SHDN = 0V 7.5 12 mW Sleep Mode CS = 5V, SHDN = 0V 0.01 1 mW
W U TI I G CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSMPL(MAX) Maximum Sampling Frequency ● 250 kHz tCONV Conversion Time ● 2.2 3.3 3.8 µs tACQ Acquisition Time (Note 11) ● 480 ns tACQ+CONV Throughput Time (Acquisition + Conversion) ● 4 µs t1 CS to RD Setup Time (Notes 11, 12) ● 0 ns t2 CS↓ to CONVST↓ Setup Time (Notes 11, 12) ● 10 ns t3 SHDN↓ to CS↑ Setup Time (Notes 11, 12) ● 10 ns t4 SHDN↑ to CONVST↓ Wake-Up Time CS = Low (Note 12) 400 ns t5 CONVST Low Time (Note 12) ● 40 ns t6 CONVST to BUSY Delay CL = 25pF 36 ns ● 80 ns t7 Data Ready Before BUSY↑ 60 ns ● 32 ns t8 Delay Between Conversions (Note 12) ● 200 ns t9 Wait Time RD↓ After BUSY↑ (Note 12) ● – 5 ns t10 Data Access Time After RD↓ CL = 25pF 40 50 ns ● 60 ns CL = 100pF 45 60 ns ● 75 ns t11 Bus Relinquish Time 50 60 ns LTC1603C ● 70 ns LTC1603I ● 75 ns t12 RD Low Time (Note 12) ● t10 ns t13 CONVST High Time (Note 12) ● 40 ns t14 Aperture Delay of Sample-and-Hold 2 ns 1603f 4