Datasheet LT1021 (Analog Devices)
| Manufacturer | Analog Devices |
| Description | Precision Reference |
| Pages / Page | 16 / 1 — FEATURES. DESCRIPTIO. Ultralow Drift: 5ppm/. C Max Slope. Very Low Noise: … |
| File Format / Size | PDF / 239 Kb |
| Document Language | English |
FEATURES. DESCRIPTIO. Ultralow Drift: 5ppm/. C Max Slope. Very Low Noise: <1ppm P-P (0.1Hz to 10Hz). 100% Noise Tested
Model Line for this Datasheet
- 5962-8860001GA 5962-8876201GA 5962-8876202GA LT1021BCH-5 LT1021BCN8-10#PBF LT1021BCN8-5#PBF LT1021BCN8-7#PBF LT1021BMH-10 LT1021BMH-5 LT1021CCH-5 LT1021CCN8-10#PBF LT1021CCN8-5#PBF LT1021CIN8-10#PBF LT1021CIN8-5#PBF LT1021CMH-5 LT1021DCN8-10#PBF LT1021DCN8-5#PBF LT1021DCN8-7#PBF LT1021DCS8-10#PBF LT1021DCS8-10#TRPBF LT1021DCS8-5#PBF LT1021DCS8-5#TRPBF LT1021DCS8-7#PBF LT1021DCS8-7#TRPBF LT1021DIN8-10#PBF LT1021DIN8-5#PBF
Text Version of Document
LT1021 Precision Reference
U FEATURES DESCRIPTIO
■
Ultralow Drift: 5ppm/
°
C Max Slope
The LT®1021 is a precision reference with ultralow drift ■
Very Low Noise: <1ppm P-P (0.1Hz to 10Hz)
and noise, extremely good long term stability and almost ■
100% Noise Tested
total immunity to input voltage variations. The reference ■ Pin Compatible with Most Bandgap Reference output will both source and sink up to 10mA. Three Applications, Including Ref 01, Ref 02, LM368, voltages are available: 5V, 7V and 10V. The 7V and 10V MC1400 and MC1404 with Greatly Improved units can be used as shunt regulators (two-terminal zeners) Stability, Noise and Drift with the same precision characteristics as the three- ■ Trimmed Output Voltage terminal connection. Special care has been taken to mini- ■ Operates in Series or Shunt Mode mize thermal regulation effects and temperature ■ Output Sinks and Sources in Series Mode induced hysteresis. ■ >100dB Ripple Rejection The LT1021 references are based on a buried zener diode ■ Minimum Input/Output Differential of 1V structure that eliminates noise and stability problems ■ Available in 5-Lead Can, N8 and S8 Packages associated with surface breakdown devices. Further, a
U
subsurface zener exhibits better temperature drift and
APPLICATIO S
time stability than even the best bandgap references. ■ A/D and D/A Converters Unique circuit design makes the LT1021 the first IC ■ Precision Regulators reference to offer ultralow drift without the use of high ■ Digital Voltmeters power on-chip heaters. ■ Inertial Navigation Systems The LT1021-7 uses no resistive divider to set output ■ Precision Scales voltage, and therefore exhibits the best long term stability ■ Portable Reference Standard and temperature hysteresis. The LT1021-5 and LT1021- 10 are intended for systems requiring a precise 5V or 10V reference with an initial tolerance as low as ±0.05%. , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
U TYPICAL APPLICATIO Typical Distribution of Temperature Drift
24
Basic Positive and Negative Connections
DISTRIBUTION 21 OF THREE RUNS LT1021 LT1021 18 (7 AND 10 ONLY) 15 V IN IN OUT V NC IN OUT OUT GND GND 12 UNITS (%) –VOUT 9 V R1 = OUT – (V – ) 6 I R1 LOAD + 1.5mA 3 –15V (V –) 1021 TA01 – 0 – 5 – 4 – 3 – 2 –1 0 1 2 3 4 5 OUTPUT DRIFT (ppm/°C) 1021 TA01 1021fc 1
U FEATURES DESCRIPTIO
■
Ultralow Drift: 5ppm/
°
C Max Slope
The LT®1021 is a precision reference with ultralow drift ■
Very Low Noise: <1ppm P-P (0.1Hz to 10Hz)
and noise, extremely good long term stability and almost ■
100% Noise Tested
total immunity to input voltage variations. The reference ■ Pin Compatible with Most Bandgap Reference output will both source and sink up to 10mA. Three Applications, Including Ref 01, Ref 02, LM368, voltages are available: 5V, 7V and 10V. The 7V and 10V MC1400 and MC1404 with Greatly Improved units can be used as shunt regulators (two-terminal zeners) Stability, Noise and Drift with the same precision characteristics as the three- ■ Trimmed Output Voltage terminal connection. Special care has been taken to mini- ■ Operates in Series or Shunt Mode mize thermal regulation effects and temperature ■ Output Sinks and Sources in Series Mode induced hysteresis. ■ >100dB Ripple Rejection The LT1021 references are based on a buried zener diode ■ Minimum Input/Output Differential of 1V structure that eliminates noise and stability problems ■ Available in 5-Lead Can, N8 and S8 Packages associated with surface breakdown devices. Further, a
U
subsurface zener exhibits better temperature drift and
APPLICATIO S
time stability than even the best bandgap references. ■ A/D and D/A Converters Unique circuit design makes the LT1021 the first IC ■ Precision Regulators reference to offer ultralow drift without the use of high ■ Digital Voltmeters power on-chip heaters. ■ Inertial Navigation Systems The LT1021-7 uses no resistive divider to set output ■ Precision Scales voltage, and therefore exhibits the best long term stability ■ Portable Reference Standard and temperature hysteresis. The LT1021-5 and LT1021- 10 are intended for systems requiring a precise 5V or 10V reference with an initial tolerance as low as ±0.05%. , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
U TYPICAL APPLICATIO Typical Distribution of Temperature Drift
24
Basic Positive and Negative Connections
DISTRIBUTION 21 OF THREE RUNS LT1021 LT1021 18 (7 AND 10 ONLY) 15 V IN IN OUT V NC IN OUT OUT GND GND 12 UNITS (%) –VOUT 9 V R1 = OUT – (V – ) 6 I R1 LOAD + 1.5mA 3 –15V (V –) 1021 TA01 – 0 – 5 – 4 – 3 – 2 –1 0 1 2 3 4 5 OUTPUT DRIFT (ppm/°C) 1021 TA01 1021fc 1
