ltc2428 Linear Technology Corporation, ltc2428 Datasheet - Page 36

• Manufacturer Part Number: ltc2428
• Description: 4-/8-channel 20-bit ?power No Latency Delta-sigma Adc
• Manufacturer: Linear Technology Corporation

LTC2424/LTC2428
TYPICAL
RELATED PARTS
PART NUMBER
LTC2400
LTC2401/LTC2402
LTC2410
LTC2411
LTC2413
LTC2404/LTC2408
LTC2420
36
INPUT
RF POWER
60Hz
60Hz–RF
AC
BONDED TO
INSULATED
MOUNTING
50 LOAD
RTD ON
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
1 F
RT
APPLICATION
50
10k, 0.1%
R6
DESCRIPTION
24-Bit Power, No Latency
1-/2-Channel, 24-Bit No Latency
24-Bit No Latency
24-Bit No Latency
24-Bit No Latency
4/8 Channel, 24-Bit
20-Bit No Latency
ELECTROMETER
100
Pt RTD
(3-WIRE)
(pH, PIEZO)
2
3
3-WIRE R-PACK
–
+
LTC1050
INPUT
GUARD RING
–5V
5V
7
4
R4
1k
IN914
J1
J2
J3
24.9k, 0.1%
U
20mV TO 80mV
Fiugre 36. Measure DC to Daylight Using the LTC2428
R11
6
LOCAL
ADC with Differential Inputs
ADC with Differential Inputs/Reference
ADC
ADC
TEMP
ADCs
10k, 0.1%
3
2
100 , 5%
INFRARED
FORCE SENSE
R7
IN914
–
+
V
5V
R8
<1mV
LT1793
REF
–5V
24.9k, 0.1%
5V
ADC in SO-8
7
4
THERMOCOUPLE
R12
C1, 0.1 F
THERMISTOR
10k NTC
R3, 10k
INFRARED
1%
R9
0S36-01
OMEGA
ADCs
1k
6
V
5V
REF
R10
1%
5k
5k, 1%
5V
MAX
R5
1mV TO 1000V
VOLTMETER
10
11
12
13
14
15
17
9
5 ZS
5V
–60mV TO 4V
INPUT
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
2.7V AT 0 C
0.9V AT 40 C
–2.2mV to 16mV
0V to 4V
R13
5k
0.1%
SET
DC
DAYLIGHT
HAMAMATSU
PHOTODIODE
S1336-5BK
8-CHANNEL
COMMENTS
4ppm INL, 10ppm TUE, 200 A, Pin Compatible with LTC2420
24 Bits in MSOP Package
800nV Noise, Differential Reference, 2.7V to 5.5V Operation
1.6 V Noise, Fully Differential, 10-Lead MSOP Package
Simultaneous 50Hz to 60Hz Rejection 0.16ppm Noise
< 4ppm INL, No Missing Codes
Fast Mode Allows 100sps, Low Cost
MUX
R1
900k
0.1%, 1W, 1000 WVDC
R2
4.7k
0.1%
MUXOUT
1, 6, 16, 18, 22, 27, 28
7
REF
0V TO 5V
5V
10 F
4
ADCIN
+
+
–
20-BIT
GND
LTC2428
ADC
3
FS
6
LT1236CS8-5
SET
OUT IN
LINEAR TECHNOLOGY CORPORATION 2000
GND
V
CC
24248f LT/TP 0201 4K • PRINTED IN USA
2, 8
CSMUX
4
CSADC
SDO
24248 F36
CLK
D
2
IN
F
O
+
26
23
20
19, 25
21
24
100 F
8V
5V
INTERNAL OSC
SELECTED FOR
60Hz REJECTION
1 F
SERIAL DATA LINK
SPI COMPATABLE
MICROWIRE AND
MPU