Datasheet
LTC2483
34
2483fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2005
LT 0710 REV C • PRINTED IN USA
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LT1236A-5 Precision Bandgap Reference, 5V 0.05% Max Initial Accuracy, 5ppm/°C Drift
LT1460 Micropower Series Reference 0.075% Max Initial Accuracy, 10ppm/°C Max Drift
LT1790 Micropower SOT-23 Low Dropout Reference Family 0.05% Max Initial Accuracy, 10ppm/°C Max Drift
LTC2400 24-Bit, No Latency ∆∑ ADC in SO-8 0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200µA
LTC2410 24-Bit, No Latency ∆∑ ADC with Differential Inputs 0.8µV
RMS
Noise, 2ppm INL
LTC2411/LTC2411-1 24-Bit, No Latency ∆∑ ADCs with Differential Inputs in MSOP 1.45µV
RMS
Noise, 4ppm INL,
Simultaneous 50Hz/60Hz Rejection (LTC2411-1)
LTC2413 24-Bit, No Latency ∆∑ ADC with Differential Inputs Simultaneous 50Hz/60Hz Rejection, 800nV
RMS
Noise
LTC2415/
LTC2415-1
24-Bit, No Latency ∆∑ ADCs with 15Hz Output Rate Pin Compatible with the LTC2410
LTC2414/LTC2418 8-/16-Channel 24-Bit, No Latency ∆∑ ADCs 0.2ppm Noise, 2ppm INL, 3ppm Total Unadjusted Errors 200µA
LTC2440 High Speed, Low Noise 24-Bit ∆∑ ADC 3.5kHz Output Rate, 200nV Noise, 24.6 ENOBs
LTC2480 16-Bit ∆∑ ADC with Easy Drive Inputs, 600nV Noise,
Programmable Gain, and Temperature Sensor
Pin Compatible with LTC2482/LTC2484
LTC2481 16-Bit ∆∑ ADC with Easy Drive Inputs, 600nV Noise,
I
2
C Interface, Programmable Gain, and Temperature Sensor
Pin Compatible with LTC2483/LTC2485
LTC2482 16-Bit ∆∑ ADC with Easy Drive Inputs Pin Compatible with LTC2480/LTC2484
LTC2484 24-Bit ∆∑ ADC with Easy Drive Inputs Pin Compatible with LTC2480/LTC2482
LTC2485 24-Bit ∆∑ ADC with Easy Drive Inputs, I
2
C Interface and
Temperature Sensor
Pin Compatible with LTC2481/LTC2483
Figure 35. Voltage Measurement Circuit
SCL
SDA
CAO/F
O
6
7
10
18
17
16
15
14
13
12
11
28
27
26
25
24
23
22
21
7
6
5
4
3
2
V
CC
5V
LTC2483
REF
REF
–
IN
–
IN
+
3
ISOTHERMAL
2
C7
0.1µF
C8
1µF
C6
0.1µF
4
R2
2k
5
TYPE K
THERMOCOUPLE
JACK
(OMEGA MPJ-K-F)
5V
5V
389
GNDCA1
RC7
RC6
RC5
RC4
RC3
RC2
RC1
RC0
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0
RA5
RA4
RA3
RA2
RA1
RA0
V
DD
OSC1
OSC2
MCLR
20
9
10
1
5V
5V
Y1
6MHz
R1
10k
D1
BAT54
V
SS
9
2483 F35
V
SS
19
PIC16F73
D7
D6
D5
D4
EN
RW
RS
R5
10k
R4
10k
R3
10k
R6
5k
2
1
3
2
1
5V
CALIBRATE
CONTRAST
GND D0
V
CC
D1 D2 D3
2 s 16 CHARACTER
LCD DISPLAY
(OPTREX DMC162488
OR SIMILAR)
DOWN UP
1.7k
1.7k