Linear Technology DC939A - LTC2484IDD 24-Bit Delta Sigma ADC w/Temp (req. DC590B) DC939A DC939A Data Sheet
Product codes
DC939A
LTC2484
42
2484fd
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 0611 REV D • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
CS
SCK
SDO
SDI
f
O
6
9
7
1
10
9
7
1
10
18
17
16
15
14
13
12
11
28
27
26
25
24
23
22
21
17
16
15
14
13
12
11
28
27
26
25
24
23
22
21
7
6
5
4
3
2
6
5
4
3
2
V
CC
5V
LTC2484
REF
GND
IN
–
IN
+
3
ISOTHERMAL
2
C7
0.1μF
0.1μF
C8
1μF
1μF
C6
0.1μF
0.1μF
4
R2
2k
5
TYPE K
THERMOCOUPLE
JACK
(OMEGA MPJ-K-F)
5V
5V
11
8
GND
RC7
RC6
RC5
RC4
RC3
RC2
RC1
RC0
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0
RA5
RA4
RA3
RA2
RA1
RA0
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
2484 F44
V
SS
19
PIC16F73
D7
D6
D5
D4
EN
D6
D5
D4
EN
RW
RS
R5
10k
10k
R4
10k
10k
R3
10k
10k
R6
5k
2
1
3
2
1
5V
CALIBRATE
CONTRAST
GND D0
V
CC
D1 D2 D3
2
s 16 CHARACTER
LCD DISPLAY
(OPIREX DMC162488
OR SIMILAR)
DOWN
UP
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, 200mV Noise, 24.6 ENOBs
LTC2480
16-Bit, No Latency
∆Σ ADC with PGA/Temperature Sensor
Pin-Compatible with LTC2484
LTC2482
16-Bit, No Latency
∆Σ ADC
Pin-Compatible with LTC2484
Figure 44. Complete Type K Thermocouple Meter