LTC2498IUHF#PBF Linear Technology, LTC2498IUHF#PBF Datasheet - Page 6

• 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

LTC2498
typical perForMance characteristics

–12
–1
–2
–3
12
–4
–8
14
12
10
3
2
1
0
8
4
0
0
8
6
4
2
–2.5
–2.5
–3
Integral Nonlinearity
(V
Total Unadjusted Error
(V
Noise Histogram (6.8sps)
10,000 CONSECUTIVE
READINGS
V
V
V
T
V
V
V
f
V
V
V
f
O
O
A
CC
CC
REF
IN
CC
REF
IN(CM)
CC
CC
REF
IN(CM)
–2
–45°C
–2
–2.4
= GND
= GND
= 25°C
85°C
= 0V
= 5V
= 5V
= 5V
= 5V
= 5V, V
= 5V, V
= 5V
= 5V
–1.5
–1.5
= 2.5V
= 2.5V
–1.8
OUTPUT READING (µV)
–1
–1
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
–1.2
REF
REF
–0.5
–0.5
25°C
= 5V)
= 5V)
–0.6
0
0
AVERAGE = –0.69µV
0.5
0.5
25°C
RMS = 0.60µV
0
1
1
0.6
–45°C
85°C
1.5
1.5
1.2
2498 G01
2498 G04
2498 G07
2
2
2.5
2.5
1.8
–12
–1
–2
–3
12
–4
–8
14
12
10
3
2
1
0
–1.25
8
4
0
–1.25
0
8
6
4
2
–3
Integral Nonlinearity
(V
Total Unadjusted Error
(V
Noise Histogram (7.5sps)
10,000 CONSECUTIVE
READINGS
V
V
V
T
V
V
V
f
V
V
V
f
O
O
A
CC
CC
REF
IN(CM)
CC
REF
IN
CC
CC
REF
IN(CM)
–2.4
= GND
= GND
= 25°C
= 0V
= 2.7V
= 5V
= 5V
–0.75
= 2.5V
= 5V, V
= 2.5V
–0.75
= 5V, V
= 5V
= 1.25V
= 1.25V
–1.8
OUTPUT READING (µV)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
–1.2
REF
–0.25
REF
–0.25
= 2.5V)
–45°C, 25°C, 90°C
= 2.5V)
–0.6
25°C
AVERAGE = –0.19µV
0.25
0.25
RMS = 0.59µV
0
0.6
85°C
0.75
–45°C
0.75
1.2
2498 G02
2498 G05
2498 G08
1.25
1.25
1.8
–12
–1
–2
–5
–1
–2
–3
12
–4
–8
–3
–4
3
2
1
0
8
4
0
5
4
3
2
1
0
–1.25
–1.25
0
Integral Nonlinearity
(V
Total Unadjusted Error
(V
Long-Term ADC Readings
V
T
V
V
V
f
V
V
V
f
O
O
A
CC
CC
REF
IN(CM)
CC
CC
REF
IN(CM)
CC
= 25°C, RMS NOISE = 0.60µV
= GND
= GND
= 5V, V
= 2.7V
= 2.7V
–0.75
–0.75
= 2.5V
= 2.7V, V
= 2.5V
10
= 2.7V, V
= 1.25V
= 1.25V
REF
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
20
–0.25
–0.25
TIME (HOURS)
= 5V, V
REF
REF
30
IN
= 2.5V)
= 2.5V)
–45°C, 25°C, 90°C
0.25
25°C
0.25
= 0V, V
40
IN(CM)
0.75
0.75
85°C
–45°C
50
= 2.5V
2498 G03
2498 G06
2498 G09
2498fe
1.25
1.25
60