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參數資料
| 型號： | DS1848E-050+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RES/MEM TEMP 50/10K 14-TSSOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1,000 |
| 接片： | 256 |
| 電阻（歐姆）： | 10k，50k |
| 電路數： | 2 |
| 溫度系數： | 標準值 850 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | I²C（設備位址） |
| 電源電壓： | 3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 95°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 14-TSSOP |
| 包裝： | 帶卷 (TR) |
1 of 17
011806
SDA
1
14
Vcc
SCL
2
13
H0
A0
3
12
NC
A1
4
11
H1
A2
5
10
L1
WP
6
9
NC
GND
7
8
L0
14-Pin TSSOP (173-mil)
A
B
C
D
1
2
3
4
Top View
FEATURES
§ Two linear taper, temperature-controlled
variable resistors
§ DS1848-050
- One 50kW, 256 position
- One 10kW, 256 position
§ DS1848-010
- Two 10kW, 256 position
§ Resistor settings changeable every 2°C
§ Access to temperature data and device
control via a 2-wire interface
§ Operates from 3V or 5V supplies
§ Packaging: 14-pin TSSOP, 16-ball CSBGA
§ Operating temperature: -40C to +95C
§ Programming temperature: 0C to +70C
§ 128 bytes of user EEPROM
PIN ASSIGNMENT
DESCRIPTION
The DS1848 Dual Temperature-Controlled Nonvolatile (NV) Variable Resistor consists of two 256-
position linear, variable resistors. The DS1848-050 consists of one 10k
W and one 50kW, while the
DS1848-010 consists of two 10k
W resistors; both incorporate a direct-to-digital temperature sensor. The
device provides an ideal method for setting and temperature-compensating bias voltages and currents in
control applications using a minimum of circuitry.
The variable resistors settings are stored in EEPROM memory and can be accessed over the industry
standard 2-wire serial bus. The value of each variable resistor is determined by a temperature-addressed
look-up table, which can assign a unique value to each resistor for every 2°C increment over the -40°C to
+95°C range. The output of the digital temperature sensor is also available as a 13-bit, 2’s complement
value over the serial bus. The interface I/O pins consist of SDA and SCL.
DS1848
Dual Temperature-Controlled
NV Variable Resistor & Memory
www.maxim-ic.com
16-Ball CSBGA (4mm x 4mm)
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