
LTC2492
9
2492fd
TEMPERATURE (°C)
–45
OFFSET
ERROR
(μV)
200
210
220
75
2492 G33
190
180
160
–15
15
45
–30
90
0
30
60
170
240
230
VCC = 5V
VREF = 5V
VIN = 0V
VIN(CM) = GND
fO = GND
VIN(CM) (V)
–1
180
OFFSET
ERROR
(μV)
182
186
188
190
200
194
1
3
4
2492 G32
184
196
198
192
0
2
5
6
VCC = 5V
VREF = 5V
VIN = 0V
fO = GND
TA = 25°C
VREF (V)
0
RMS
NOISE
(μV)
0.6
0.8
1.0
4
2492 G31
0.4
0.2
0
1
2
3
5
VCC = 5V
VIN = 0V
VIN(CM) = GND
fO = GND
TA = 25°C
OUTPUT READING (μV)
179
NUMBER
OF
READINGS
(%)
8
10
12
186.2
2492 G30
6
4
181.4
183.8
188.6
2
0
16
14
10,000 CONSECUTIVE
READINGS
VCC = 5V
VREF = 5V
VIN = 0V
TA = 25°C
RMS = 0.85μV
AVERAGE = 0.184mV
INPUT VOLTAGE (V)
–3
INL
(ppm
OF
V
REF
)
–1
1
3
–2
0
2
–0.75
–0.25
0.25
0.75
2492 G29
1.25
–1.25
VCC = 2.7V
VREF = 2.5V
VIN(CM) = 1.25V
fO = GND
90°C
–45°C, 25°C
INPUT VOLTAGE (V)
–3
INL
(ppm
OF
V
REF
)
–1
1
3
–2
0
2
–0.75
–0.25
0.25
0.75
2492 G28
1.25
–1.25
VCC = 5V
VREF = 2.5V
VIN(CM) = 1.25V
fO = GND
90°C
–45°C, 25°C
TYPICAL PERFORMANCE CHARACTERISTICS
Integral Nonlinearity (2x Speed
Mode; VCC = 5V, VREF = 2.5V)
Integral Nonlinearity (2x Speed
Mode; VCC = 2.7V, VREF = 2.5V)
Noise Histogram
(2x Speed Mode)
RMS Noise
vs VREF (2x Speed Mode)
Offset Error
vs VIN(CM) (2x Speed Mode)
Offset Error
vs Temperature (2x Speed Mode)