LTC2494IUHF#PBF Linear Technology, LTC2494IUHF#PBF Datasheet - Page 8

• 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

–100
–140
–120
310
308
306
304
302
300
–20
–40
–60
–80
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
–45 –30
–45
On-Chip Oscillator Frequency
vs Temperature
PSRR vs Frequency at V
0
Sleep Mode Current
vs Temperature
f
CS = V
SCK = NC
SDO = NC
SDI = GND
V
V
IN
IN
f
T
V
V
V
V
f
O
O
O
A
CC
REF
CC
REF
IN
IN(CM)
20
+
–
–30
= GND
= GND
= GND
= 25°C
= GND
= GND
= 0V
= 4.1V DC ±1.4V
= 4.1V
= 2.5V
= 2.5V
40 60
CC
–15
–15
= GND
FREQUENCY AT V
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
80
V
V
CC
100
15
15
CC
= 2.7V
= 5V
120
30
30
140
CC
45
45
(Hz)
160
CC
60
60
180
75
200
75
2494 G19
2494 G22
2494 G25
220
90
90
–120
–140
–100
–20
–60
500
450
400
350
300
250
200
150
100
310
308
306
304
302
300
–40
–80
30600
0
2.5
0
On-Chip Oscillator Frequency
vs V
PSRR vs Frequency at V
Conversion Current
vs Output Data Rate
V
IN
IN
SCK = NC
SDO = NC
SDI = GND
CS GND
f
T
V
V
IN
IN
f
T
O
O
A
A
REF
CC
REF
+
–
+
–
10
= EXT OSC
= GND
= 25°C
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
= GND
= GND
= GND
= GND
CC
= 4.1V DC ±0.7V
= V
3.0
= 2.5V
20
30650
CC
FREQUENCY AT V
30
3.5
40
V
30700
CC
4.0
50
(V)
60
V
CC
CC
4.5
V
V
V
V
f
T
70
(Hz)
= 5V
O
CC
30750
A
REF
IN
IN(CM)
CC
= GND
= 25°C
= 3V
= 0V
80
= 2.5V
5.0
= GND
90
2494 G23
2494 G26
2494 G20
30800
100
5.5
–100
–120
–140
–20
–40
–60
–80
180
160
140
100
200
120
–1
–2
–3
0
3
2
1
0
–2.5
–45
1
PSRR vs Frequency at V
Conversion Current
vs Temperature
Integral Nonlinearity (2x Speed
Mode; V
f
CS = GND
SCK = NC
SDO = NC
SDI = GND
V
V
IN
IN
f
T
O
O
A
CC
REF
–30
+
–
–2
= GND
= GND
= 25°C
= GND
= GND
= 4.1V DC
10
= 2.5V
–1.5
–15
FREQUENCY AT V
CC
–1
TEMPERATURE (°C)
INPUT VOLTAGE (V)
100
0
= 5V, V
–0.5
V
V
15
CC
CC
1k
0
= 2.7V
= 5V
REF
30
25°C, 85°C
0.5
CC
10k
= 5V)
45
V
V
V
f
(Hz)
O
1
–45°C
CC
REF
IN(CM)
CC
= GND
60
= 5V
1.5
100k
= 5V
= 2.5V
75
2494 G21
2494 G24
2494 G27
2
2494fd
1M
2.5
90