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參數(shù)資料
| 型號： | AD5235BRUZ250 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 32/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DGTL POT DUAL 1024POS 16TSSOP |
| 產(chǎn)品變化通告： | Metal Edit Change 03/Feb/2012 |
| 標(biāo)準(zhǔn)包裝： | 96 |
| 接片： | 1024 |
| 電阻（歐姆）： | 250k |
| 電路數(shù)： | 2 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 35 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | 4 線 SPI（芯片選擇） |
| 電源電壓： | 3 V ~ 5.5 V，±2.25 V ~ 2.75 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 管件 |
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Data Sheet
AD5235
Rev. F | Page 9 of 32
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
SDI
SDO
GND
A1
VSS
W1
CLK
B1
CS
PR
WP
VDD
A2
02816-
005
W2
B2
RDY
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
AD5235
TOP VIEW
(Not to Scale)
Figure 4. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
CLK
Serial Input Register Clock. Shifts in one bit at a time on positive clock edges.
2
SDI
Serial Data Input. Shifts in one bit at a time on positive clock CLK edges. MSB loads first.
3
SDO
Serial Data Output. Serves readback and daisy-chain functions. Command 9 and Command 10 activate the SDO
output for the readback function, delayed by 24 or 25 clock pulses, depending on the clock polarity before and
after the data-word (see Figure 2 and Figure 3). In other commands, the SDO shifts out the previously loaded SDI
bit pattern, delayed by 24 or 25 clock pulses depending on the clock polarity (see Figure 2 and Figure 3). This
previously shifted out SDI can be used for daisy-chaining multiple devices. Whenever SDO is used, a pull-up
resistor in the range of 1 k to 10 k is needed.
4
GND
Ground Pin, Logic Ground Reference.
5
VSS
Negative Supply. Connect to 0 V for single-supply applications. If VSS is used in dual supply, it must be able to sink
2 mA for 15 ms when storing data to EEMEM.
6
A1
Terminal A of RDAC1.
7
W1
Wiper terminal of RDAC1. ADDR (RDAC1) = 0x0.
8
B1
Terminal B of RDAC1.
9
B2
Terminal B of RDAC2.
10
W2
Wiper terminal of RDAC2. ADDR (RDAC2) = 0x1.
11
A2
Terminal A of RDAC2.
12
VDD
Positive Power Supply.
13
WP
Optional Write Protect. When active low, WP prevents any changes to the present contents, except PR strobe.
CMD_1 and COMD_8 refresh the RDAC register from EEMEM. Tie WP to VDD, if not used.
14
PR
Optional Hardware Override Preset. Refreshes the scratchpad register with current contents of the EEMEM
register. Factory default loads midscale until EEMEM is loaded with a new value by the user. PR is activated
at the logic high transition. Tie PR to VDD, if not used.
15
CS
Serial Register Chip Select Active Low. Serial register operation takes place when CS returns to logic high.
16
RDY
Ready. Active high open-drain output. Identifies completion of Instruction 2, Instruction 3, Instruction 8,
Instruction 9, Instruction 10, and PR.
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| AD5235BRUZ250-R7 | 功能描述:IC DGTL POT DUAL 1024POS 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:DPP 接片:32 電阻（歐姆）:10k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 300 ppm/°C 存儲器類型:非易失 接口:3 線串行（芯片選擇，遞增，增/減） 電源電壓:2.5 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN（2x3） 包裝:帶卷 (TR) |
| AD5235BRUZ25-EP-R7 | 功能描述:IC DGTL POT 1024POS DUAL 16TSSOP 制造商:analog devices inc. 系列:* 零件狀態(tài):在售 標(biāo)準(zhǔn)包裝:1,000 |
| AD5235BRUZ25-RL7 | 功能描述:IC DGTL POT DUAL 1024POS 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:DPP 接片:32 電阻（歐姆）:10k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 300 ppm/°C 存儲器類型:非易失 接口:3 線串行（芯片選擇，遞增，增/減） 電源電壓:2.5 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN（2x3） 包裝:帶卷 (TR) |
| AD5235-EP | 制造商:AD 制造商全稱:Analog Devices 功能描述:Nonvolatile Memory, Dual 1024-Position Digital Potentiometer |
| AD5235EVAL | 制造商:Analog Devices 功能描述:DUAL 10BIT SPI EVAL BOARD - Bulk |
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