Datasheet LTC2175-12, LTC2174-12, LTC2173-12 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | 12-Bit, 125Msps Low Power Quad ADCs |
| Seiten / Seite | 34 / 7 — TiMing characTerisTics. The. denotes the specifications which apply over … |
| Dateiformat / Größe | PDF / 1.3 Mb |
| Dokumentensprache | Englisch |
TiMing characTerisTics. The. denotes the specifications which apply over the full operating temperature
Modelllinie für dieses Datenblatt
- LTC2173CUKG-12#PBF LTC2173CUKG-12#PBF LTC2173CUKG-12#TRPBF LTC2173CUKG-12#TRPBF LTC2173IUKG-12#PBF LTC2173IUKG-12#PBF LTC2173IUKG-12#TRPBF LTC2173IUKG-12#TRPBF
Textversion des Dokuments
LTC2175-12/ LTC2174-12/LTC2173-12
TiMing characTerisTics The
l
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 SPI Port Timing (Note 8)
tSCK SCK Period Write Mode l 40 ns Readback Mode, CSDO = 20pF, RPULLUP l 250 ns = 2k tS CS to SCK Setup Time l 5 ns tH SCK to CS Setup Time l 5 ns tDS SDI Setup Time l 5 ns tDH SDI Hold Time l 5 ns tDO SCK Falling to SDO Valid Readback Mode, CSDO = 20pF, RPULLUP l 125 ns = 2k
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 6:
Integral nonlinearity is defined as the deviation of a code from a may cause permanent damage to the device. Exposure to any Absolute best fit straight line to the transfer curve. The deviation is measured from Maximum Rating condition for extended periods may affect device the center of the quantization band. reliability and lifetime.
Note 7:
Offset error is the offset voltage measured from –0.5 LSB when
Note 2:
All voltage values are with respect to GND with GND and OGND the output code flickers between 0000 0000 0000 and 1111 1111 1111 shorted (unless otherwise noted). in 2’s complement output mode.
Note 3:
When these pin voltages are taken below GND or above VDD, they
Note 8:
Guaranteed by design, not subject to test. will be clamped by internal diodes. This product can handle input currents
Note 9:
VDD = OVDD = 1.8V, fSAMPLE = 125MHz (LTC2175), 105MHz of greater than 100mA below GND or above VDD without latchup. (LTC2174), or 80MHz (LTC2173), 2-lane output mode, ENC+ = single-
Note 4:
When these pin voltages are taken below GND they will be ended 1.8V square wave, ENC– = 0V, input range = 2VP-P with differential clamped by internal diodes. When these pin voltages are taken above VDD drive, unless otherwise noted. The supply current and power dissipation they will not be clamped by internal diodes. This product can handle input specifications are totals for the entire chip, not per channel. currents of greater than 100mA below GND without latchup.
Note 10:
Recommended operating conditions.
Note 5:
VDD = OVDD = 1.8V, fSAMPLE = 125MHz (LTC2175), 105MHz
Note 11:
The maximum sampling frequency depends on the speed grade (LTC2174), or 80MHz (LTC2173), 2-lane output mode, differential ENC+/ of the part and also which serialization mode is used. The maximum serial ENC– = 2VP-P sine wave, input range = 2VP-P with differential drive, unless data rate is 1000Mbps so tSER must be greater than or equal to 1ns. otherwise noted.
Note 12:
Near-channel crosstalk refers to Ch. 1 to Ch.2, and Ch.3 to Ch.4. Far-channel crosstalk refers to Ch.1 to Ch.3, Ch.1 to Ch.4, Ch.2 to Ch.3, and Ch.2 to Ch.4. 21754312fa 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Power Requirements Timing Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Typical Applications Package Description Revision History Related Parts
TiMing characTerisTics The
l
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 SPI Port Timing (Note 8)
tSCK SCK Period Write Mode l 40 ns Readback Mode, CSDO = 20pF, RPULLUP l 250 ns = 2k tS CS to SCK Setup Time l 5 ns tH SCK to CS Setup Time l 5 ns tDS SDI Setup Time l 5 ns tDH SDI Hold Time l 5 ns tDO SCK Falling to SDO Valid Readback Mode, CSDO = 20pF, RPULLUP l 125 ns = 2k
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 6:
Integral nonlinearity is defined as the deviation of a code from a may cause permanent damage to the device. Exposure to any Absolute best fit straight line to the transfer curve. The deviation is measured from Maximum Rating condition for extended periods may affect device the center of the quantization band. reliability and lifetime.
Note 7:
Offset error is the offset voltage measured from –0.5 LSB when
Note 2:
All voltage values are with respect to GND with GND and OGND the output code flickers between 0000 0000 0000 and 1111 1111 1111 shorted (unless otherwise noted). in 2’s complement output mode.
Note 3:
When these pin voltages are taken below GND or above VDD, they
Note 8:
Guaranteed by design, not subject to test. will be clamped by internal diodes. This product can handle input currents
Note 9:
VDD = OVDD = 1.8V, fSAMPLE = 125MHz (LTC2175), 105MHz of greater than 100mA below GND or above VDD without latchup. (LTC2174), or 80MHz (LTC2173), 2-lane output mode, ENC+ = single-
Note 4:
When these pin voltages are taken below GND they will be ended 1.8V square wave, ENC– = 0V, input range = 2VP-P with differential clamped by internal diodes. When these pin voltages are taken above VDD drive, unless otherwise noted. The supply current and power dissipation they will not be clamped by internal diodes. This product can handle input specifications are totals for the entire chip, not per channel. currents of greater than 100mA below GND without latchup.
Note 10:
Recommended operating conditions.
Note 5:
VDD = OVDD = 1.8V, fSAMPLE = 125MHz (LTC2175), 105MHz
Note 11:
The maximum sampling frequency depends on the speed grade (LTC2174), or 80MHz (LTC2173), 2-lane output mode, differential ENC+/ of the part and also which serialization mode is used. The maximum serial ENC– = 2VP-P sine wave, input range = 2VP-P with differential drive, unless data rate is 1000Mbps so tSER must be greater than or equal to 1ns. otherwise noted.
Note 12:
Near-channel crosstalk refers to Ch. 1 to Ch.2, and Ch.3 to Ch.4. Far-channel crosstalk refers to Ch.1 to Ch.3, Ch.1 to Ch.4, Ch.2 to Ch.3, and Ch.2 to Ch.4. 21754312fa 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Power Requirements Timing Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Typical Applications Package Description Revision History Related Parts