LTC2494CUHF-PBF LINER [Linear Technology], LTC2494CUHF-PBF Datasheet - Page 8

• Manufacturer Part Number: LTC2494CUHF-PBF
• Description: 16-Bit 8-/16-Channel ?? ADC with PGA and Easy Drive Input Current Cancellation
• Manufacturer: LINER [Linear Technology]

LTC2494
TYPICAL PERFORMANCE CHARACTERISTICS
8
–100
–140
–120
–20
–40
–60
–80
310
308
306
304
302
300
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
0
On-Chip Oscillator Frequency
vs Temperature
PSRR vs Frequency at V
Sleep Mode Current
vs Temperature
V
V
IN
IN
F
T
F
CS = V
SCK = NC
SDO = NC
SDI = GND
V
V
V
V
F
O
A
O
CC
REF
O
CC
REF
IN
IN(CM)
20
+
–
–30
= GND
= 25°C
= GND
= GND
= 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 G25
2494 G22
2494 G19
220
90
90
–100
–120
–140
310
302
300
–20
–40
–60
500
450
400
350
300
250
200
150
100
308
306
304
–80
30600
0
2.5
0
On-Chip Oscillator Frequency
vs V
PSRR vs Frequency at V
Conversion Current
vs Output Data Rate
V
V
IN
IN
F
T
V
IN
IN
SCK = NC
SDO = NC
SDI = GND
CS GND
F
T
O
O
A
A
REF
CC
REF
+
–
+
–
10
= GND
= 25°C
= EXT OSC
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
= GND
= GND
= GND
= GND
= 4.1V DC ±0.7V
CC
3.0
= V
= 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
30750
CC
O
REF
IN
IN(CM)
A
CC
= GND
= 25°C
= 3V
= 0V
80
= 2.5V
5.0
= GND
2494 G23
90
2494 G20
2494 G26
30800
100
5.5
–100
–120
–140
–20
–40
–60
–80
180
140
100
200
160
120
–1
–2
–3
3
2
1
0
0
–2.5
–45
1
PSRR vs Frequency at V
Conversion Current
vs Temperature
Integral Nonlinearity (2x Speed
Mode; V
V
V
IN
IN
F
T
F
CS = GND
SCK = NC
SDO = NC
SDI = GND
O
O
A
CC
REF
–30
–2
+
–
= GND
= 25°C
= GND
= 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
30
REF
25°C, 85°C
0.5
CC
10k
45
= 5V)
V
V
V
F
(Hz)
1
O
–45°C
CC
REF
IN(CM)
CC
= GND
60
= 5V
1.5
= 5V
100k
= 2.5V
75
2494 G24
2494 G21
2494 G27
2
2494fb
1M
2.5
90