LTC2494IUHF#PBF Linear Technology, LTC2494IUHF#PBF Datasheet - Page 6

• 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
typical perForMance characteristics

–12
14
12
–1
–2
–3
12
–4
–8
10
0
3
2
1
0
8
4
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
GAIN = 256
V
V
V
f
V
V
V
f
O
O
A
CC
REF
IN
CC
REF
IN(CM)
CC
REF
IN(CM)
CC
CC
–2
–2
–2.4
–45°C
= 25°C
= GND
= GND
85°C
= 0V
= 5V
= 5V
= 5V
= 5V
= 5V, V
= 5V
= 5V, V
= 5V
–1.5
–1.5
–1.8
= 2.5V
= 2.5V
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
25°C
0.5
RMS = 0.60µV
0
1
1
0.6
–45°C
85°C
1.5
1.5
1.2
2494 G01
2494 G04
2494 G07
2
2
1.8
2.5
2.5
–12
–1
–2
–3
12
–4
–8
14
12
10
8
4
0
–1.25
8
0
3
2
1
0
–1.25
6
4
2
–3
Integral Nonlinearity
(V
Total Unadjusted Error
(V
Noise Histogram (7.5sps)
10,000 CONSECUTIVE
READINGS
V
V
V
T
GAIN = 256
V
V
V
f
V
V
V
f
O
O
CC
REF
IN
A
CC
CC
CC
REF
IN(CM)
CC
REF
IN(CM)
–2.4
= GND
= GND
= 25°C
= 0V
= 2.7V
= 5V
= 5V
= 2.5V
–0.75
= 5V, V
–0.75
= 5V, V
= 2.5V
= 2.5V
= 1.25V
–1.8
= 1.25V
OUTPUT READING (µV)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
–1.2
REF
REF
–0.25
–0.25
= 2.5V)
= 2.5V)
–0.6
–45°C, 25°C, 85°C
25°C
AVERAGE = –0.19µV
0.25
0.25
RMS = 0.59µV
0
0.6
85°C
–45°C
0.75
0.75
1.2
2494 G05
2494 G08
2494 G02
1.25
1.25
1.8
–12
–1
–2
–3
12
–4
–8
–1
–2
–3
–4
–5
3
2
1
0
–1.25
8
4
0
–1.25
5
4
3
2
1
0
Integral Nonlinearity
(V
Total Unadjusted Error
(V
Long-Term ADC Readings
0
V
V
V
f
V
T
V
V
V
f
O
O
A
CC
REF
IN(CM)
CC
CC
CC
CC
REF
IN(CM)
= GND
= GND
= 25°C, RMS NOISE = 0.60µV, GAIN = 256
= 2.7V
= 5V, V
= 2.7V
–0.75
= 2.5V
–0.75
= 2.7V, V
= 2.7V, V
= 2.5V
10
= 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, 85°C
0.25
25°C
0.25
= 0V, V
40
IN(CM)
0.75
0.75
85°C
–45°C
50
= 2.5V
2494 G03
2494 G06
2494 G09
2494fd
1.25
1.25
60