MAX5492 Maxim Integrated Products, MAX5492 Datasheet - Page 4

• Manufacturer Part Number: MAX5492
• Description: 10kOHM Precision-Matched Resistor-Divider
• Manufacturer: Maxim Integrated Products

10kΩ Precision-Matched
Resistor-Divider in SOT23
The MAX5492 consists of two precision, low-ratio-drift
resistors with an end-to-end resistance of 10kΩ (R
(See Figure 1.) P3 is the set point of the divider. The
maximum working voltage of the MAX5492 is 40V.
This device offers a wide range of resistance ratios
(R
sion operational-amplifier gain/attenuation control. The
MAX5492 features a ±2kV ESD protection that
enhances system robustness. A maximum initial ratio
accuracy of 0.035% and a low ratio drift enhance sys-
tem accuracy.
(V
4
P1-P3
1
/R
-12
-15
-18
_______________________________________________________________________________________
-3
-6
-9
6
3
0
PIN
2
0.1
1
2
3
4
5
) from 1:1 to 10:1 and is ideally suited for preci-
= 10V, T
RATIO = 1.1:1
C
L
= 10pF
1
FREQUENCY RESPONSE
A
10
= +25°C, unless otherwise noted.)
FREQUENCY (kHz)
NAME
SH
P1
SL
P2
P3
100
Detailed Description
1000
R1 Connection Terminal
Sense Connection for Low Side of Resistor String. Leave floating or connect in a Kelvin connection
configuration.
R2 Connection Terminal
Set-Point Connection Terminal
Sense Connection for High Side of Resistor String. Leave floating or connect in a Kelvin connection
configuration.
10,000
100,000
100
Typical Operating Characteristics (continued)
10
1
V
RATIO = 1.1:1
P1-P2
1
+ R
SPECTRAL NOISE DENSITY
= 2V
2
10
).
FREQUENCY (Hz)
V
Kelvin sensing can improve accuracy in sensitive appli-
cations. Apply a voltage or current at P1 and use sense
high (SH) and sense low (SL) to monitor the voltage at
the upper and lower ends of the resistor string.
P1-P2
100
= 10V
FUNCTION
1000
Applications Information
0.0001
0.001
0.01
100
0.1
10
1
10
RATIO = 1.1:1
20Hz TO 20kHz BANDPASS
TOTAL HARMONIC DISTORTION
PLUS NOISE RESPONSE
100
Pin Description
FREQUENCY (Hz)
Kelvin Sensing
1k
10k
100k