LTC2494IUHF#PBF Linear Technology, LTC2494IUHF#PBF Datasheet - Page 12

• Manufacturer Part Number: LTC2494IUHF#PBF
• Description: IC ADC 16BIT W/PGA 38-QFN
• Manufacturer: Linear Technology

Specifications of LTC2494IUHF#PBF

• Number Of Bits: 16
• Sampling Rate (per Second): 15
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 480µW
• 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

LTC2494
Functional block DiagraM
test circuits

GND
V
CC
SDO
CH15
REF
REF
COM
CH0
CH1
Hi-Z TO V
V
V
1.69k
+
–
OL
OH
TO V
TO Hi-Z
•
•
•
OH
OH
SENSOR
TEMP
MUX
C
MUXOUTN
MUXOUTP
LOAD
2494 TC01
= 20pF
ADCINP
ADCINN
Figure 1. Functional Block Diagram
ΔΣ MODULATOR
–
DIFFERENTIAL
3RD ORDER
+
AUTOCALIBRATION
DECIMATING FIR
AND CONTROL
ADDRESS
SDO
OSCILLATOR
Hi-Z TO V
V
V
INTERFACE
INTERNAL
OH
OL
SERIAL
V
TO Hi-Z
TO V
CC
2494 BD
1.69k
C
OL
OL
LOAD
2494 TC02
= 20pF
f
(INT/EXT)
SDI
SCK
SDO
CS
O
2494fd