Datasheet LT1001 (Analog Devices) - 9

LT1001
U TYPICAL APPLICATIONS
rejections. Worst-case summation of guaranteed
Large Signal Voltage Follower With 0.001% Worst Case Accuracy
specifications is tabulated below. 12V TO 18V
OUTPUT ACCURACY LT1001AM LT1001C LT1001AM LT1001C
2 7
/883 /883
– 6 OUTPUT R
25
S °
C 25
°
C –55 to 125
°
C 0 to 70
°
C
LT1001 –10V TO 10V 0k TO 10k
Error Max. Max. Max. Max.
INPUT 3 + –10V TO 10V 4 Offset Voltage 15µV 60µV 60µV 110µV Bias Current 20µV 40µV 40µV 55µV 1001 TA08 Common Mode Rejection 20µV 30µV 30µV 50µV –12V TO –18V Power Supply Rejection 18µV 30µV 36µV 42µV The voltage follower is an ideal example illustrating Voltage Gain 22µV 25µV 33µV 40µV the overall excellence of the LT1001. The contributing Worst-case Sum 95µV 185µV 199µV 297µV error terms are due to offset voltage, input bias cur- Percent of Full Scale rent, voltage gain, common mode and power-supply (=20V) 0.0005% 0.0009% 0.0010% 0.0015%
Thermally Controlled NiCad Charger
15V 10V, 1.2A HR NICAD STACK 0.1µF + – – + 7 3 IN4001 + * BATTERY AMBIENT 6 2k LT1001 620k 2 –15V – 2N6387 4 IN4148 –15V CIRCUIT USES TEMPERATURE DIFFERENCE 43k BETWEEN BATTERY PACK MOUNTED THERMOCOUPLE AND AMBIENT THERMO- COUPLE TO SET BATTERY CHARGE 0.6Ω 10Ω CURRENT. PEAK CHARGING 5W CURRENT IS 1 AMP. 1µF * * SINGLE POINT GROUND * 1001 TA09 THERMOCOUPLES ARE 40µV/°C CHROMEL-ALUMEL (TYPE K)
Precision Absolute Value Circuit
10k 10k 10k 0.1% 0.1% 0.1% 10k 0.1% IN4148 INPUT 2 – 2 – –10V TO 10V 6 6 OUTPUT LT1001 LT1001 0V TO 10V 3 + 3 + IN4148 10k 0.1% 1001 TA10 1001fb 9