Datasheet LTC1864L, LTC1865L (Analog Devices)
| Hersteller | Analog Devices |
| Beschreibung | µPower, 3V, 16-Bit, 150ksps 1- and 2-Channel ADCs in MSOP |
| Seiten / Seite | 16 / 1 — FEATURES. DESCRIPTIO. 16-Bit 150ksps ADCs in MSOP Package. APPLICATIO S. … |
| Dateiformat / Größe | PDF / 366 Kb |
| Dokumentensprache | Englisch |
FEATURES. DESCRIPTIO. 16-Bit 150ksps ADCs in MSOP Package. APPLICATIO S. TYPICAL APPLICATIO. Supply Current vs Sampling Frequency
Modelllinie für dieses Datenblatt
- LTC1864LACMS8#PBF LTC1864LACMS8#PBF LTC1864LACMS8#TRPBF LTC1864LACMS8#TRPBF LTC1864LACS8#PBF LTC1864LACS8#PBF LTC1864LACS8#TRPBF LTC1864LACS8#TRPBF LTC1864LAIMS8#PBF LTC1864LAIMS8#PBF LTC1864LAIMS8#TRPBF LTC1864LAIMS8#TRPBF LTC1864LAIS8#PBF LTC1864LAIS8#PBF LTC1864LAIS8#TRPBF LTC1864LAIS8#TRPBF LTC1864LCMS8#PBF LTC1864LCMS8#PBF LTC1864LCMS8#TRPBF LTC1864LCMS8#TRPBF LTC1864LCS8#PBF LTC1864LCS8#PBF LTC1864LCS8#TRPBF LTC1864LCS8#TRPBF LTC1864LIMS8#PBF LTC1864LIMS8#PBF LTC1864LIMS8#TRPBF LTC1864LIMS8#TRPBF LTC1864LIS8#PBF LTC1864LIS8#PBF LTC1864LIS8#TRPBF LTC1864LIS8#TRPBF
- LTC1865LACMS#PBF LTC1865LACMS#PBF LTC1865LACMS#TRPBF LTC1865LACMS#TRPBF LTC1865LACS8#PBF LTC1865LACS8#PBF LTC1865LACS8#TRPBF LTC1865LACS8#TRPBF LTC1865LAIMS#PBF LTC1865LAIMS#PBF LTC1865LAIMS#TRPBF LTC1865LAIMS#TRPBF LTC1865LAIS8#PBF LTC1865LAIS8#PBF LTC1865LAIS8#TRPBF LTC1865LAIS8#TRPBF LTC1865LCMS#PBF LTC1865LCMS#PBF LTC1865LCMS#TRPBF LTC1865LCMS#TRPBF LTC1865LCS8#PBF LTC1865LCS8#PBF LTC1865LCS8#TRPBF LTC1865LCS8#TRPBF LTC1865LIMS#PBF LTC1865LIMS#PBF LTC1865LIMS#TRPBF LTC1865LIMS#TRPBF LTC1865LIS8#PBF LTC1865LIS8#PBF LTC1865LIS8#TRPBF LTC1865LIS8#TRPBF
Textversion des Dokuments
LTC1864L/LTC1865L µPower, 3V, 16-Bit, 150ksps 1- and 2-Channel ADCs in MSOP
U FEATURES DESCRIPTIO
■
16-Bit 150ksps ADCs in MSOP Package
The LTC®1864L/LTC1865L are 16-bit A/D converters that ■ Single 3V Supply are offered in MSOP and SO-8 packages and operate on a ■ Low Supply Current: 450µA (Typ) single 3V supply. At 150ksps, the supply current is only ■ Auto Shutdown Reduces Supply Current 450µA. The supply current drops at lower speeds because to 10µA at 1ksps the LTC1864L/LTC1865L automatically power down ■ True Differential Inputs between conversions. These 16-bit switched capacitor ■ 1-Channel (LTC1864L) or 2-Channel (LTC1865L) successive approximation ADCs include sample-and-holds. Versions The LTC1864L has a differential analog input with an ■ SPI/MICROWIRETM Compatible Serial I/O external reference pin. The LTC1865L offers a software- ■ 16-Bit Upgrade to 12-Bit LTC1285/LTC1288 selectable 2-channel MUX and an external reference pin on ■ Pin Compatible with 12-Bit LTC1860L/LTC1861L the MSOP version. ■ No Minimum Data Transfer Rate
U
The 3-wire, serial I/O, small MSOP or SO-8 package and
APPLICATIO S
extremely high sample rate-to-power ratio make these ADCs ideal choices for compact, low power, high speed ■ High Speed Data Acquisition systems. ■ Portable or Compact Instrumentation These ADCs can be used in ratiometric applications or ■ Low Power Battery-Operated Instrumentation with external references. The high impedance analog ■ Isolated and/or Remote Data Acquisition inputs and the ability to operate with reduced spans down to 1V full scale allow direct connection to signal sources in many applications, eliminating the need for external gain stages. , LTC and LT are registered trademarks of Linear Technology Corporation. MICROWIRE is a trademark of National Semiconductor Corporation.
U TYPICAL APPLICATIO Supply Current vs Sampling Frequency Single 3V Supply, 150ksps, 16-Bit Sampling ADC
1000 CONV LOW = 2µs TA = 25°C 1µF VCC = 2.7V 3V A) 100 µ LTC1864L 10 1 8 VREF VCC 2 7 IN+ SCK ANALOG INPUT 3 6 SERIAL DATA LINK TO SUPPLY CURRENT ( 0V TO 3V 1 IN– SDO ASIC, PLD, MPU, DSP 4 5 OR SHIFT REGISTERS GND CONV 1864 TA01 0.1 0.01 0.1 1 10 100 1000 SAMPLING FREQUENCY (kHz) 1864L/65L TA02 sn18645L 18645Lfs 1
U FEATURES DESCRIPTIO
■
16-Bit 150ksps ADCs in MSOP Package
The LTC®1864L/LTC1865L are 16-bit A/D converters that ■ Single 3V Supply are offered in MSOP and SO-8 packages and operate on a ■ Low Supply Current: 450µA (Typ) single 3V supply. At 150ksps, the supply current is only ■ Auto Shutdown Reduces Supply Current 450µA. The supply current drops at lower speeds because to 10µA at 1ksps the LTC1864L/LTC1865L automatically power down ■ True Differential Inputs between conversions. These 16-bit switched capacitor ■ 1-Channel (LTC1864L) or 2-Channel (LTC1865L) successive approximation ADCs include sample-and-holds. Versions The LTC1864L has a differential analog input with an ■ SPI/MICROWIRETM Compatible Serial I/O external reference pin. The LTC1865L offers a software- ■ 16-Bit Upgrade to 12-Bit LTC1285/LTC1288 selectable 2-channel MUX and an external reference pin on ■ Pin Compatible with 12-Bit LTC1860L/LTC1861L the MSOP version. ■ No Minimum Data Transfer Rate
U
The 3-wire, serial I/O, small MSOP or SO-8 package and
APPLICATIO S
extremely high sample rate-to-power ratio make these ADCs ideal choices for compact, low power, high speed ■ High Speed Data Acquisition systems. ■ Portable or Compact Instrumentation These ADCs can be used in ratiometric applications or ■ Low Power Battery-Operated Instrumentation with external references. The high impedance analog ■ Isolated and/or Remote Data Acquisition inputs and the ability to operate with reduced spans down to 1V full scale allow direct connection to signal sources in many applications, eliminating the need for external gain stages. , LTC and LT are registered trademarks of Linear Technology Corporation. MICROWIRE is a trademark of National Semiconductor Corporation.
U TYPICAL APPLICATIO Supply Current vs Sampling Frequency Single 3V Supply, 150ksps, 16-Bit Sampling ADC
1000 CONV LOW = 2µs TA = 25°C 1µF VCC = 2.7V 3V A) 100 µ LTC1864L 10 1 8 VREF VCC 2 7 IN+ SCK ANALOG INPUT 3 6 SERIAL DATA LINK TO SUPPLY CURRENT ( 0V TO 3V 1 IN– SDO ASIC, PLD, MPU, DSP 4 5 OR SHIFT REGISTERS GND CONV 1864 TA01 0.1 0.01 0.1 1 10 100 1000 SAMPLING FREQUENCY (kHz) 1864L/65L TA02 sn18645L 18645Lfs 1