
LTC2435/LTC2435-1
7
24351fc
Typical perForMance characTerisTics
RMS Noise vs Input Differential
Voltage
RMS Noise vs VINCM
RMS Noise vs Temperature (TA)
RMS Noise vs VCC = VREF
RMS Noise vs VREF
Offset Error vs VINCM
Offset Error vs Temperature
Offset Error vs VCC = VREF
Offset Error vs VREF
INPUT DIFFERENTIAL VOLTAGE (V)
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
RMS
NOISE
(ppm
OF
V
REF
)
2435 G10
–2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5
VCC = 5V
VREF = 5V
VINCM = 2.5V
FO = GND
TA = 25°C
VINCM (V)
–1
RMS
NOISE
(μ
V)
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
1
3
4
2435 G11
0
2
5
6
FO = GND
REF+ = 5V
REF– = GND
TA = 25°C
VCC = 5V
VIN = 0V
VINCM = GND
TEMPERATURE (°C)
–50
RMS
NOISE
(μ
V)
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
0
50
75
2435 G12
–25
25
100
FO = GND
VCC = 5V
VREF = 5V
VIN = 0V
VINCM = GND
VCC (V)
2.7
RMS
NOISE
(μ
V)
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
3.5
4.3
4.7
2435 G13
3.1
3.9
5.1
5.5
FO = GND
REF+ = VCC
REF– = GND
TA = 25°C
VIN = 0V
VINCM = GND
VREF (V)
0
RMS
NOISE
(μ
V)
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
2
4
5
2435 G14
1
3
FO = GND
REF– = GND
TA = 25°C
VCC = 5V
VIN = 0V
VINCM = GND
VINCM (V)
–1
OFFSET
ERROR
(ppm
OF
V
REF
)
–320
–322
–324
–326
–328
–330
–332
–334
–336
–338
–340
1
3
4
2435 G15
0
2
5
6
VCC = 5V
REF+ = 5V
REF– = GND
VIN = 0V
FO = GND
TA = 25°C
OFFSET
ERROR
(ppm
OF
V
REF
)
–320
–322
–324
–326
–328
–330
–332
–334
–336
–338
–340
TEMPERATURE (°C)
–45
–15
15 30
90
–30
0
45 60 75
2435 G16
VCC = 5V
VREF = 5V
VIN = 0V
VINCM = GND
FO = GND
OFFSET
ERROR
(ppm
OF
V
REF
)
–320
–322
–324
–326
–328
–330
–332
–334
–336
–338
–340
VCC (V)
2.7
3.5
3.9
5.5
3.1
4.3
4.7
5.1
2435 G17
REF+ = VCC
REF– = GND
VIN = 0V
VINCM = GND
FO = GND
TA = 25°C
VREF (V)
0
OFFSET
ERROR
(mV)
–1.60
–1.61
–1.62
–1.63
–1.64
–1.65
–1.66
–1.67
–1.68
–1.69
–1.70
2
4
5
2435 G18
1
3
FO = GND
REF– = GND
TA = 25°C
VCC = 5V
VIN = 0V
VINCM = GND