Datasheet
LTC2480
42
2480fd
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 D • PRINTED IN USA
relaTeD parTs
Typical applicaTion
CS
SCK
SDO
SDI
f
O
6
9
7
1
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
LTC2480
REF
GND
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
118
GND
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
2480 F44
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
Figure 44. Complete Type K Thermocouple Meter
PART NUMBER DESCRIPTION COMMENTS
LTC1050 Precision Chopper Stabilized Op Amp No External Components 5µV Offset, 1.6µV
P-P
Noise
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
LTC2400
24-Bit, No Latency ∆Σ ADC in SO-8
0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200µA
LTC2401/LTC2402
1-/2-Channel, 24-Bit, No Latency ∆Σ ADCs in MSOP
0.6ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200µA
LTC2404/LTC2408
4-/8-Channel, 24-Bit, No Latency ∆Σ ADCs
with Differential Inputs
0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200µA
LTC2410
24-Bit, No Latency ∆Σ ADC with Differential Inputs
0.8µV
RMS
Noise, 2ppm INL
LTC2411/LTC2411-1
24-Bit, No Latency ∆Σ ADCs with Differential Inputs in MSOP
1.45µV
RMS
Noise, 4ppm INL,
Simultaneous 50Hz/60Hz Rejection (LTC2411-1)
LTC2413
24-Bit, No Latency ∆Σ ADC with Differential Inputs
Simultaneous 50Hz/60Hz Rejection, 800nV
RMS
Noise
LTC2415/LTC2415-1
24-Bit, No Latency ∆Σ ADCs with 15Hz Output Rate
Pin-Compatible with the LTC2410
LTC2414/LTC2418
8-/16-Channel 24-Bit, No Latency ∆Σ ADCs
0.2ppm Noise, 2ppm INL, 3ppm Total Unadjusted Errors 200µA
LTC2420
20-Bit, No Latency ∆Σ ADC in SO-8
1.2ppm Noise, 8ppm INL, Pin-Compatible with LTC2400
LTC2430/LTC2431
20-Bit, No Latency ∆Σ ADCs with Differential Inputs
2.8µV Noise, SSOP-16/MSOP Package
LTC2435/LTC2435-1
20-Bit, No Latency ∆Σ ADCs with 15Hz Output Rate
3ppm INL, Simultaneous 50Hz/60Hz Rejection
LTC2440
High Speed, Low Noise 24-Bit ∆Σ ADC
3.5kHz Output Rate, 200nV Noise, 24.6 ENOBs
LTC2482
16-Bit ∆Σ ADC with Easy Drive Inputs
Pin-Compatible with LTC2480/LTC2484
LTC2484
24-Bit ∆Σ ADC with Easy Drive Inputs
Pin-Compatible with LTC2480/LTC2482