LTC2498IUHF#PBF Linear Technology, LTC2498IUHF#PBF Datasheet - Page 35

• Manufacturer Part Number: LTC2498IUHF#PBF
• Description: IC ADC 24BIT 16CH 38-QFN
• Manufacturer: Linear Technology

Specifications of LTC2498IUHF#PBF

• Number Of Bits: 24
• Sampling Rate (per Second): 7.5
• 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
• Number Of Elements: 1
• Resolution: 24Bit
• Architecture: Delta-Sigma
• Sample Rate: 0.008KSPS
• Input Polarity: Bipolar
• Input Type: Voltage
• Rated Input Volt: ±2.75V
• Differential Input: Yes
• Power Supply Requirement: Single
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Integral Nonlinearity Error: 10ppm of Vref
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 38
• Package Type: QFN EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

applications inForMation
–10
20
15
10
–5
5
0
Figure 36. Offset Error vs Output Data
Rate and Reference Voltage
0
V
V
f
T
O
A
IN(CM)
IN
10
= EXT CLOCK
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
= 0V
20 30
V
= V
CC
REF(CM)
= 5V, V
40
REF
V
CC
50
= 2.5V
= V
60
REF
70
= 5V
80
90 100
2480 F36
Figure 37. Resolution (Noise
vs Output Data Rate and Reference
Voltage
24
22
20
18
16
14
10
12
0
V
V
f
T
RES = LOG 2 (V
V
O
IN(CM)
IN
A
CC
10
= EXT CLOCK
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
= 0V
= 5V, V
20 30
= V
REF(CM)
REF
REF
= 2.5V
40
/NOISE
50
V
CC
60
RMS
= V
)
70
REF
RMS
80
= 5V
≤ 1LSB)
90 100
2498 F37
22
20
14
10
18
16
12
Figure 38. Resolution (INL
vs Output Data Rate and Reference
Voltage
0
V
V
REF
f
T
RES = LOG 2 (V
V
O
A
IN(CM)
IN
CC
10
= EXT CLOCK
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
= 0V
–
= 5V, V
= GND
20 30
= V
REF(CM)
REF
= 2.5V
REF
40
/INL
LTC2498
50
MAX
V
60
CC
)
= V
70
MAX
REF
80

= 5V
≤ 1LSB)
90 100
2498 F38
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