MAX5421CEUB+T | |
|---|---|
| Manufacturer Part Number | MAX5421CEUB+T |
| Description | IC VOLTAGE DIVIDER DGLT 10MSOP |
| Manufacturer | Maxim Integrated Products |
| MAX5421CEUB+T datasheets |
|
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Specifications of MAX5421CEUB+T | |||
|---|---|---|---|
| Taps | 4 | Resistance (ohms) | 15K |
| Number Of Circuits | 1 | Memory Type | Volatile |
| Interface | 2-Wire Parallel | Voltage - Supply | 4.75 V ~ 5.25 V, ±0.0 V ~ 5.25 V |
| Operating Temperature | -40°C ~ 85°C | Mounting Type | Surface Mount |
| Package / Case | 10-MSOP, Micro10™, 10-uMAX, 10-uSOP | Resistance In Ohms | 15K |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant | Temperature Coefficient | - |
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19-2230; Rev 2; 2/05
General Description
The MAX5420 and MAX5421 are digitally programmable
precision voltage dividers optimized for use in digitally pro-
grammable gain amplifier configurations. The MAX5420/
MAX5421 operate from a single +5V supply or dual ±5V
supply, and consume only 3µA supply current. These
devices consist of a digitally selectable resistor array that
provides four precision noninverting gains of 1, 2, 4, and 8
for PGAs. The MAX5420 and MAX5421 achieve a resistor
ratio accuracy of 0.025% (MAX542_A), 0.09% (MAX542_B),
and 0.5% (MAX542_C). The MAX5421 includes an on-chip
matching resistor for op amp bias-current compensation.
The MAX5420 and MAX5421 are available in 8-pin and
10-pin µMAX packages. The devices are specified over
the extended temperature range (-40°C to +85°C).
General-Purpose Programmable Noninverting
Amplifiers
Programmable Instrumentation Amplifiers
Functional Diagram
V
H
DD
MAX5420
MAX5421
D0
DECODER
D1
MATCH_H
MATCH_L
V
GND
L
SS
MAX5421 ONLY
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Digitally Programmable Precision
Voltage Divider for PGAs
♦ Four Precision Divider Ratios For Noninverting
Gains of 1, 2, 4, and 8 in PGAs
♦ 0.025%, 0.09%, or 0.5% Ratio Accuracy
Guaranteed Over -40°C to +85°C
♦ On-Chip Matching Resistor for Op Amp Bias-
Current Compensation (MAX5421)
♦ 5V Single or ±5V Dual Supply Operation
♦ Low 3µA Supply Current
♦ CMOS/TTL Logic Compatible 2-Wire Parallel
Interface
♦ Small 8-Pin and 10-Pin µMAX Packages
Applications
PART
MAX5420AEUA -40 C to +85 C
MAX5420BEUA -40 C to +85 C
MAX5420CEUA -40 C to +85 C
MAX5421AEUB -40 C to +85 C
MAX5421BEUB -40 C to +85 C
MAX5421CEUB -40 C to +85 C
TOP VIEW
W
Features
Ordering Information
TEMP.
PIN-
GAIN
RANGE
PACKAGE
ACCURACY
8 µMAX
0.025%
8 µMAX
0.09%
8 µMAX
0.5%
10 µMAX
0.025%
10 µMAX
0.09%
10 µMAX
0.5%
Pin Configurations
V
1
8
H
DD
V
2
7
W
SS
MAX5420
GND
3
6
L
D0
4
5
D1
MAX-8
V
1
10
H
DD
V
2
9
W
SS
MAX5421
GND
3
8
L
D0
4
7
MATCH_H
D1
5
6
MATCH_L
MAX-10
1
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MAX5421CEUB+T Summary of contents |
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