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參數資料
| 型號： | MAX5421CEUB+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VOLTAGE DIVIDER DGLT 10MSOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 接片： | 4 |
| 電阻（歐姆）： | 15k |
| 電路數： | 1 |
| 存儲器類型： | 易失 |
| 接口： | 2 輸入并口 |
| 電源電壓： | 4.75 V ~ 5.25 V，±0.0 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 10-µMAX |
| 包裝： | 帶卷 (TR) |
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 3A 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 MAX packages. The devices are specified over
the extended temperature range (-40°C to +85°C).
Applications
General-Purpose Programmable Noninverting
Amplifiers
Programmable Instrumentation Amplifiers
Features
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 3A Supply Current
CMOS/TTL Logic Compatible 2-Wire Parallel
Interface
Small 8-Pin and 10-Pin MAX Packages
MAX5420/MAX5421
Digitally Programmable Precision
Voltage Divider for PGAs
________________________________________________________________ Maxim Integrated Products
1
L
D1
D0
1
2
8
7
H
W
VSS
GND
VDD
MAX-8
TOP VIEW
3
4
6
5
MAX5420
1
2
3
4
5
10
9
8
7
6
H
W
L
MATCH_H
D0
GND
VSS
VDD
MAX5421
MAX-10
MATCH_L
D1
Pin Configurations
Ordering Information
Functional Diagram
19-2230; Rev 2; 2/05
PART
TEMP.
RANGE
PIN-
PACKAGE
GAIN
ACCURACY
MAX5420AEUA -40
°C to +85°C 8 MAX
0.025%
MAX5420BEUA
-40
°C to +85°C 8 MAX
0.09%
MAX5420CEUA
-40
°C to +85°C 8 MAX
0.5%
MAX5421AEUB -40
°C to +85°C 10 MAX
0.025%
MAX5421BEUB
-40
°C to +85°C 10 MAX
0.09%
MAX5421CEUB
-40
°C to +85°C 10 MAX
0.5%
DECODER
MATCH_H
MATCH_L
MAX5421 ONLY
H
VDD
W
L
GND
VSS
MAX5420
MAX5421
D0
D1
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.
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