LTC2449CUHF#PBF Linear Technology, LTC2449CUHF#PBF Datasheet - Page 4

IC ADC 24BIT 38-QFN

LTC2449CUHF#PBF

Manufacturer Part Number
LTC2449CUHF#PBF
Description
IC ADC 24BIT 38-QFN
Manufacturer
Linear Technology
Datasheet

Specifications of LTC2449CUHF#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
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
38-WFQFN, Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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DIGITAL I PUTS A D DIGITAL OUTPUTS
POWER REQUIRE E TS
LTC2444/LTC2445/
LTC2448/LTC2449
operating temperature range, otherwise specifications are at T
SYMBOL
V
V
V
V
I
I
C
C
V
V
V
V
I
otherwise specifications are at T
SYMBOL
V
I
TI I G CHARACTERISTICS
range, otherwise specifications are at T
SYMBOL
f
t
t
t
f
4
IN
IN
OZ
CC
EOSC
HEO
LEO
CONV
ISCK
IH
IL
IH
IL
IN
IN
OH
OL
OH
OL
CC
W
U
PARAMETER
High Level Input Voltage
CS, F
Low Level Input Voltage
CS, F
High Level Input Voltage
SCK
Low Level Input Voltage
SCK
Digital Input Current
CS, F
Digital Input Current
SCK
Digital Input Capacitance
CS, F
Digital Input Capacitance
SCK
High Level Output Voltage
SDO, BUSY
Low Level Output Voltage
SDO, BUSY
High Level Output Voltage
SCK
Low Level Output Voltage
SCK
Hi-Z Output Leakage
SDO
PARAMETER
Supply Voltage
Supply Current
PARAMETER
External Oscillator Frequency Range
External Oscillator High Period
External Oscillator Low Period
Conversion Time
Internal SCK Frequency
U
Conversion Mode
Sleep Mode
O
O
O
O
, EXT, SOI
A
W U
U
= 25°C. (Note 3)
A
= 25°C. (Note 3)
The
The
CONDITIONS
4.5V ≤ V
4.5V ≤ V
4.5V ≤ V
4.5V ≤ V
0V ≤ V
0V ≤ V
(Note 8)
I
I
I
I
CONDITIONS
CS = 0V (Note 7)
CS = V
CONDITIONS
OSR = 256 (SDI = 0)
OSR = 32768 (SDI = 1)
External Oscillator (Notes 10, 13)
Internal Oscillator (Note 9)
External Oscillator (Notes 9, 10)
O
O
O
O
denotes specifications which apply over the full operating temperature range,
= –800µA
= 1.6mA
= –800µA (Note 9)
= 1.6mA (Note 9)
IN
IN
CC
denotes specifications which apply over the full operating temperature
CC
CC
CC
CC
≤ V
≤ V
(Note 7)
A
≤ 5.5V
≤ 5.5V
≤ 5.5V (Note 8)
≤ 5.5V (Note 8)
CC
CC
= 25°C. (Note 3)
(Note 8)
The
denotes specifications which apply over the full
V
V
CC
CC
0.99
MIN
MIN
MIN
–10
–10
–10
126
2.5
2.5
4.5
0.1
0.8
25
25
– 0.5V
– 0.5V
40 • OSR +170
f
EOSC
f
EOSC
1.13
TYP
TYP
TYP
145
0.9
10
10
8
8
(kHz)
/10
10000
10000
MAX
0.4V
0.4V
MAX
MAX
1.33
170
0.8
0.8
5.5
10
10
10
11
30
20
1
2444589fb
UNITS
UNITS
UNITS
MHz
MHz
mA
ms
ms
ms
µA
µA
µA
µA
pF
pF
ns
ns
Hz
V
V
V
V
V
V
V
V
V

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