LTC2449CUHF Linear Technology, LTC2449CUHF Datasheet - Page 28

• Manufacturer Part Number: LTC2449CUHF
• Description: IC ADC 24BIT HI SPEED 38QFN
• Manufacturer: Linear Technology

Specifications of LTC2449CUHF

• 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: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 38-WFQFN, Exposed Pad
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL APPLICATIO
RELATED PARTS
LTC2444/LTC2445/
LTC2448/LTC2449
PART NUMBER
LT1025
LTC1043
LTC1050
LT1236A-5
LT1461
LTC1592
LTC1655
LTC1799
LTC2053
LTC2412
LTC2415
LTC2414/LTC2418
LTC2430/LTC2431
LTC2436-1
LTC2440
SoftSpan is a trademark of Linear Technology Corporation.
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Micropower Thermocouple Cold Junction Compensator
Dual Precision Instrumentation Switched Capacitor
Building Block
Precision Chopper Stabilized Op Amp
Precision Bandgap Reference, 5V
Micropower Series Reference, 2.5V
Ultraprecise 16-Bit SoftSpan
16-Bit Rail-to-Rail Micropower DAC
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
●
17
FAX: [phone]
CH0-CH15/
COM
U
MUX
●
External Buffers Provide High Impedance Inputs
www.linear.com
TM
and Amplifier Offsets are Cancelled
DAC
(EXTERNAL AMPLIFIERS)
2
3
6
5
–
+
–
+
1/2 LT1368
1/2 LT1368
LTC2449
5V
0V
8
4
0.1µF
1
7
0.1µF
COMMENTS
80µA Supply Current, 0.5°C Initial Accuracy
Precise Charge, Balanced Switching, Low Power
No External Components 5µV Offset, 1.6µV
0.05% Max, 5ppm/°C Drift
0.04% Max, 3ppm/°C Max Drift
Six Programmable Output Ranges
±1LSB DNL, 600µA, Internal Reference, SO-8
Single Resistor Frequency Set
10µV Offset with 50nV/°C Drift, 2.5µV
0.16ppm Noise, 2ppm INL, 200µA
0.23ppm Noise, 2ppm INL, 2X Speed Up
0.2ppm Noise, 2ppm INL, 200µA
0.56ppm Noise, 3ppm INL, 200µA
800nV
2µV
0.0005% INL, Up to 3.5kHz Output Rate
RMS
RMS
Noise at 880Hz, 200nV
Noise, 0.12LBS INL, 0.006LBS Offset, 200µA
∆Σ ADC
SPEED
HIGH
2444589 TA05
SDO
SCK
SDI
CS
© LINEAR TECHNOLOGY CORPORATION 2004
RMS
LT/LT 1005 REV B • PRINTED IN USA
Noise at 6.9Hz,
P-P
Noise 0.01Hz to 10Hz
P-P
Noise
2444589fb