LTC2447IUHF#PBF Linear Technology, LTC2447IUHF#PBF Datasheet - Page 28

• Manufacturer Part Number: LTC2447IUHF#PBF
• Description: IC ADC 24BIT 8CH HI SPEED 38QFN
• Manufacturer: Linear Technology

Specifications of LTC2447IUHF#PBF

• Number Of Bits: 24
• Sampling Rate (per Second): 8k
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 40mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 38-WFQFN, Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

APPLICATIO S I FOR ATIO
RELATED PARTS
LTC2446/LTC2447
PART NUMBER
LT1236A-5
LT1461
LTC1799
LTC2053
LTC2412
LTC2415
LTC2414/LTC2418
LTC2430/LTC2431
LTC2436-1
LTC2440
LTC2444/LTC2445
LTC2448/LTC2449
28
5V
GND
LT1790-3
LOAD CELL
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
OMEGA 44018
(18c) Half-Bridge, Voltage Sense
(18a) Full-Bridge, Voltage Sense
THERMISTOR
COMPOSITE
350Ω
THERMISTOR
Figure 18. Muxed Inputs/References Enable Multiple Ratiometric Measurements with the Same Device
LINEAR
–
U
1µF
DESCRIPTION
Precision Bandgap Reference, 5V
Micropower Series Reference, 2.5V
Resistor Set SOT-23 Oscillator
Rail-to-Rail Instrumentation Amplifier
2-Channel, Differential Input, 24-Bit, No Latency ∆Σ ADC
1-Channel, Differential Input, 24-Bit, No Latency ∆Σ ADC
4-/8-Channel, Differential Input, 24-Bit, No Latency ∆Σ ADC
1-Channel, Differential Input, 20-Bit, No Latency ∆Σ ADC
2-Channel, Differential Input, 16-Bit, No Latency ∆Σ ADC
1-Channel, Differential Input, High Speed/Low Noise,
24-Bit, No Latency ∆Σ ADC
8-/16-Channel, Differential Input, High Speed/Low Noise,
24-Bit, No Latency ∆Σ ADC
●
FAX: [phone]
GND
GND
5V
2850Ω
2850Ω
U
T2
+
12.4k
V
CH0
FULL-SCALE OUTPUT = 10mV
CH1
V
V
CH5
CH4
V
1µF
1µF
T1
REF01
REF01
REF45
REF45
W
+
–
+
–
●
www.linear.com
U
(18b) Full-Bridge, Current Sense
(18d) Half-Bridge, Current Sense
COMMENTS
0.05% Max, 5ppm/°C Drift
0.04% Max, 3ppm/°C Max Drift
Single Resistor Frequency Set
10µV Offset with 50nV/°C Drift, 2.5µV
0.16ppm Noise, 2ppm INL, 200µA
0.23ppm Noise, 2ppm INL, 2x Speedup
0.2ppm Noise, 2ppm INL, 200µA
0.56ppm Noise, 3ppm INL, 200µA
800nV
2µV
0.0005% INL, Up to 3.5kHz Output Rate
2µV
0.0005% INL, Up to 8kHz Output Rate
100Ω RTD
RMS
RMS
RMS
–
Noise at 880Hz, 200nV
Noise at 1.76kHz, 200nV
375Ω
Noise, 0.12LBS INL, 0.006LBS Offset, 200µA
GND
GND
5V
5V
R
500Ω
ILIM
SENSOR
100Ω AT 0°C
247.09Ω AT 400°C
FUJIKURA FPM-120PG
(4k TO 6k IMPEDANCE)
+
© LINEAR TECHNOLOGY CORPORATION 2004
CH3
FULL-SCALE OUTPUT = 60mV TO 140mV
CH2
V
SELECT FOR V > 2 • 140mV
AT MAXIMUM BRIDGE RESISTANCE
V
CH7
CH6
V
V
REF23
REF23
REF67
REF67
24467 F18
RMS
RMS
+
–
+
–
LT/LT 0905 REV A • PRINTED IN USA
Noise at 6.9Hz,
P-P
Noise at 13.8Hz,
Noise 0.01Hz to 10Hz
24467fa