Datasheet LTC1273, LTC1275, LTC1276 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | 12-Bit, 300ksps Sampling A/D Converters with Reference |
| Pages / Page | 24 / 4 — DIGITAL I PUTS A D DIGITAL OUTPUTS The. denotes the specifications which … |
| File Format / Size | PDF / 329 Kb |
| Document Language | English |
DIGITAL I PUTS A D DIGITAL OUTPUTS The. denotes the specifications which apply over the
Model Line for this Datasheet
- LTC1273ACN#PBF LTC1273ACN#PBF LTC1273ACSW#PBF LTC1273ACSW#PBF LTC1273ACSW#TRPBF LTC1273ACSW#TRPBF LTC1273BCN#PBF LTC1273BCN#PBF LTC1273BCSW#PBF LTC1273BCSW#PBF LTC1273BCSW#TRPBF LTC1273BCSW#TRPBF
Text Version of Document
LTC1273 LTC1275/LTC1276
U U DIGITAL I PUTS A D DIGITAL OUTPUTS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specfications are at TA = 25
°
C. (Note 5) LTC1273A/LTC1275A/LTC1276A LTC1273B/LTC1275B/LTC1276B SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VDD = 5.25V ● 2.4 V VIL Low Level Input Voltage VDD = 4.95V ● 0.8 V IIN Digital Input Current VIN = 0V to VDD ● ±10 µA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage VDD = 4.95V IO = – 10µA 4.7 V IO = – 200µA ● 4.0 V VOL Low Level Output Voltage VDD = 4.95V IO = 160µA 0.05 V IO = 1.6mA ● 0.10 0.4 V IOZ High Z Output Leakage D11-D0/8 VOUT = 0V to VDD, CS High ● ±10 µA COZ High Z Output Capacitance D11-D0/8 CS High (Note 9 ) ● 15 pF ISOURCE Output Source Current VOUT = 0V – 10 mA ISINK Output Sink Current VOUT = VDD 10 mA
W U POWER REQUIRE E TS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specfications are at TA = 25
°
C. (Note 5) LTC1273A/LTC1275A/LTC1276A LTC1273B/LTC1275B/LTC1276B SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Positive Supply Voltage LTC1273/LTC1276 (Notes 10, 11) 4.95 5.25 V LTC1275 (Note 10) 4.75 5.25 V VSS Negative Supply Voltage LTC1275 (Note 10) – 2.45 – 5.25 V LTC1276 (Notes 10, 11) – 4.95 – 5.25 V IDD Positive Supply Current ● 15 25 mA ISS Negative Supply Current LTC1275/LTC1276 ● 0.065 0.200 mA PD Power Dissipation 75 mW
W U TI I G CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specfications are at TA = 25
°
C. See Timing Characteristics Figures (Note 5) LTC1273A/LTC1275A/LTC1276A LTC1273B/LTC1275B/LTC1276B SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSAMPLE(MAX) Maximum Sampling Frequency (Note 10) Commercial ● 300 kHz Military ● 250 kHz tCONV Conversion Time Commercial ● 2.7 µs Military ● 3.0 µs t1 CS to RD Setup Time ● 0 ns t2 RD to BUSY Delay CL = 50pF 80 190 ns Commercial ● 230 ns Military ● 270 ns 127356fa 4
U U DIGITAL I PUTS A D DIGITAL OUTPUTS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specfications are at TA = 25
°
C. (Note 5) LTC1273A/LTC1275A/LTC1276A LTC1273B/LTC1275B/LTC1276B SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage VDD = 5.25V ● 2.4 V VIL Low Level Input Voltage VDD = 4.95V ● 0.8 V IIN Digital Input Current VIN = 0V to VDD ● ±10 µA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage VDD = 4.95V IO = – 10µA 4.7 V IO = – 200µA ● 4.0 V VOL Low Level Output Voltage VDD = 4.95V IO = 160µA 0.05 V IO = 1.6mA ● 0.10 0.4 V IOZ High Z Output Leakage D11-D0/8 VOUT = 0V to VDD, CS High ● ±10 µA COZ High Z Output Capacitance D11-D0/8 CS High (Note 9 ) ● 15 pF ISOURCE Output Source Current VOUT = 0V – 10 mA ISINK Output Sink Current VOUT = VDD 10 mA
W U POWER REQUIRE E TS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specfications are at TA = 25
°
C. (Note 5) LTC1273A/LTC1275A/LTC1276A LTC1273B/LTC1275B/LTC1276B SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Positive Supply Voltage LTC1273/LTC1276 (Notes 10, 11) 4.95 5.25 V LTC1275 (Note 10) 4.75 5.25 V VSS Negative Supply Voltage LTC1275 (Note 10) – 2.45 – 5.25 V LTC1276 (Notes 10, 11) – 4.95 – 5.25 V IDD Positive Supply Current ● 15 25 mA ISS Negative Supply Current LTC1275/LTC1276 ● 0.065 0.200 mA PD Power Dissipation 75 mW
W U TI I G CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specfications are at TA = 25
°
C. See Timing Characteristics Figures (Note 5) LTC1273A/LTC1275A/LTC1276A LTC1273B/LTC1275B/LTC1276B SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSAMPLE(MAX) Maximum Sampling Frequency (Note 10) Commercial ● 300 kHz Military ● 250 kHz tCONV Conversion Time Commercial ● 2.7 µs Military ● 3.0 µs t1 CS to RD Setup Time ● 0 ns t2 RD to BUSY Delay CL = 50pF 80 190 ns Commercial ● 230 ns Military ● 270 ns 127356fa 4
