LTC2449CUHF Linear Technology, LTC2449CUHF Datasheet - Page 3

• 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

A ALOG I PUT A
temperature range, otherwise specifications are at T
PARAMETER
Resolution (No Missing Codes)
Integral Nonlinearity
Offset Error
Offset Error Drift
Positive Full-Scale Error
Positive Full-Scale Error Drift
Negative Full-Scale Error
Negative Full-Scale Error Drift
Total Unadjusted Error
Input Common Mode Rejection DC
temperature range, otherwise specifications are at T
SYMBOL
IN
IN
V
REF
REF
V
C
C
C
C
I
I
t
QIRR
ELECTRICAL CHARACTERISTICS
REF+, REF–)
REF+, REF–)
DC_LEAK(IN+, IN–,
SAMPLE(IN+, IN–,
OPEN
IN
REF
S(IN+)
S(IN–)
S(REF+)
S(REF–)
+
–
U
+
–
PARAMETER
Absolute/Common Mode IN
Absolute/Common Mode IN
Input Differential Voltage Range
(IN
Absolute/Common Mode REF
Absolute/Common Mode REF
Reference Differential Voltage Range
(REF
IN
IN
REF
REF
Leakage Current, Inputs and Reference
Average Input/Reference Current
During Sampling
MUX Break-Before-Make
MUX Off Isolation
+
–
U
+
Sampling Capacitance
Sampling Capacitance
+
–
– IN
+
Sampling Capacitance
Sampling Capacitance
– REF
–
)
–
)
CONDITIONS
0.1V ≤ V
V
REF
2.5V ≤ REF
GND ≤ IN
2.5V ≤ REF
GND ≤ IN
REF
REF
2.5V ≤ REF
IN
REF
REF
2.5V ≤ REF
IN
5V ≤ V
5V ≤ V
REF
2.5V ≤ REF
GND ≤ IN
U
CC
+
+
+
= 0.75 • REF
= 0.25 • REF
+
+
+
+
+
= 5V, REF
D REFERE CE
= 2.5V, REF
= 2.5V, REF
= 5V, REF
= 2.5V, REF
= 5V, REF
= 2.5V, REF
CC
CC
REF
+
+
≤ 5.5V, REF
≤ 5.5V, REF
–
+
–
+
+
+
+
+
= IN
= IN
= IN
Voltage
Voltage
+
–
≤ V
≤ V
≤ V
≤ V
≤ V
≤ V
Voltage
Voltage
+
–
–
+
= 5V, REF
CC
–
–
CC
CC
CC
+
CC
+
CC
≤ V
≤ V
≤ V
–
, IN
, IN
–
= GND, IN
= GND, IN
–
–
, –0.5 • V
, REF
, REF
, REF
, REF
, REF
= GND, V
= GND, V
= GND, IN
= GND, IN
CC
CC
CC
–
–
+
+
= 0.25 • REF
= 0.75 • REF
A
A
= 2.5V, REF
= 5V, REF
(Note 12)
–
–
–
–
–
= 25°C. (Notes 3, 4)
= 25°C. (Note 3)
= GND,
= GND,
= GND,
= GND,
= GND,
–
U
CONDITIONS
CS = V
REF
V
= GND, V
REF
+
+
IN
INCM
INCM
= 3.75V, IN
= 1.25V, IN
+
+
The
= 2V
+
≤ V
= 1.875V, IN
= 0.625V, IN
= 5V, REF
–
CC
= 1.25V, (Note 6)
= 1.25V, (Note 6)
IN
= GND, V
–
●
+
+
P-P
The
, IN
INCM
= GND, V
≤ 0.5 • V
denotes specifications which apply over the full operating
DC to 1.8MHz
+
●
= GND, IN
–
–
= 2.5V, (Note 6)
–
= 1.25V
= 3.75V
denotes specifications which apply over the full operating
= GND
INCM
–
–
= 0.625V
= 1.875V
REF
INCM
, (Note 5)
= 2.5V
–
= 1.25V
= GND,
●
●
●
●
●
●
●
LTC2444/LTC2445/
LTC2448/LTC2449
●
●
●
●
●
●
●
GND – 0.3V
GND – 0.3V
–V
Varies, See Applications Section
GND
MIN
–15
0.1
0.1
REF
MIN
24
/2
TYP
120
2.5
0.2
0.2
20
10
10
10
10
15
15
15
5
3
TYP
120
50
2
2
2
2
1
MAX
15
50
50
50
50
5
V
V
V
CC
CC
CC
V
MAX
REF
V
V
15
+ 0.3V
+ 0.3V
– 0.1V
CC
CC
ppm of V
ppm of V
/2
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
ppm of V
2444589fb
UNITS
UNITS
REF
REF
nV/°C
3
Bits
REF
REF
REF
REF
/°C
REF
REF
/°C
REF
REF
REF
µV
dB
nA
nA
dB
pF
pF
pF
pF
ns
V
V
V
V
V
V