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參數(shù)資料
| 型號(hào)： | AD5398ABCBZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 6/17頁(yè) |
| 文件大小： | 0K |
| 描述： | IC DAC 10BIT CURRENT-SINK 9WLCSP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 產(chǎn)品變化通告： | 8mm Carrier Tape Changes 28/Feb/2012 |
| 標(biāo)準(zhǔn)包裝： | 10,000 |
| 設(shè)置時(shí)間： | 250µs |
| 位數(shù)： | 10 |
| 數(shù)據(jù)接口： | I²C，串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 9-UFBGA，WLCSP |
| 供應(yīng)商設(shè)備封裝： | 9-WLCSP（1.52 x 1.69） |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 1 電流，單極 |
| 采樣率（每秒）： | * |
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AD5398
Rev. 0 | Page 13 of 16
APPLICATIONS INFORMATION
The AD5398A is designed to drive both spring preloaded
and nonspring linear motors used in applications such as lens
autofocus, image stabilization, or optical zoom. The operating
principle of the spring-preloaded motor is that the lens position
is controlled by the balancing of a voice coil and a spring. Figure 21
shows the transfer curve of a typical spring preloaded linear
motor for autofocus. The key points of this transfer function are
displacement or stroke, which is the actual distance the lens
moves in millimeters (mm), and the current through the motor
in milliamps (mA).
A start current is associated with spring-preloaded linear motors,
which is effectively a threshold current that must be exceeded for
any displacement in the lens to occur. The start current is usually
20 mA or greater; the rated stroke or displacement is usually
0.25 mm to 0.4 mm; and the slope of the transfer curve is approxi-
mately 10 μm/mA or less.
The AD5398A is designed to sink up to 120 mA, which is
more than adequate for available commercial linear motors or
voice coils. Another factor that makes the AD5398A the ideal
solution for these applications is the monotonicity of the device,
which ensures that lens positioning is repeatable for the applica-
tion of a given digital word.
Figure 22 shows a typical application circuit for the AD5398A.
07
79
5-
0
20
0.5
0.4
0.3
0.2
0.1
0
10
20
30
40
START
CURRENT
50
60
70
80
90
100 110 120
0
SINK CURRENT (mA)
S
T
RO
KE
(
m
m)
Figure 21. Spring Preloaded Voice Coil Stroke vs. Sink Current
0
779
5-
0
22
POWER-ON
RESET
D1
POWER-DOWN
RESET
VOICE
COIL
ACTUATOR
RSENSE
3.3
VDD
I2C SERIAL
INTERFACE
10-BIT
CURRENT
OUTPUT DAC
REFERENCE
R
AD5398A
SCL
SDA
I2C MASTER
DEVICE
I2C SLAVE
DEVICE
I2C SLAVE
DEVICE
RP
VDD
VCC
0.1F
10F
+
0.1F
10F
+
SDA
AGND
DGND
VDD
SCL
PD
ISINK
DGND
Figure 22. Typical Application Circuit
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| AD5398ABCBZ-REEL7 | 功能描述:IC DAC 10BIT CURRENT-SINK 9WLCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 設(shè)置時(shí)間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁(yè)面:1398 (CN2011-ZH PDF) |
| AD5398A-WAFER | 功能描述:10 Bit Digital to Analog Converter 1 9-WLCSP (1.52 x 1.69) 制造商:analog devices inc. 系列:- 包裝:散裝 零件狀態(tài):上次購(gòu)買時(shí)間 位數(shù):10 數(shù)模轉(zhuǎn)換器數(shù):1 建立時(shí)間:250μs（標(biāo)準(zhǔn)） 輸出類型:Current - Unbuffered 差分輸出:無(wú) 數(shù)據(jù)接口:I2C 參考類型:內(nèi)部 電壓 - 電源，模擬:2.7 V ~ 5.5 V 電壓 - 電源，數(shù)字:2.7 V ~ 5.5 V INL/DNL（LSB）:±1.5，±1（最大） 架構(gòu):電流阱 工作溫度:-30°C ~ 85°C 封裝/外殼:9-UFBGA，WLCSP 供應(yīng)商器件封裝:9-WLCSP（1.52 x 1.69） 標(biāo)準(zhǔn)包裝:1 |
| AD5398BCBZ-REEL | 功能描述:IC DAC 10BIT CURRENT-SINK 9WLCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,400 系列:- 設(shè)置時(shí)間:- 位數(shù):18 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:3 電壓電源:模擬和數(shù)字 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:36-TFBGA 供應(yīng)商設(shè)備封裝:36-TFBGA 包裝:帶卷 (TR) 輸出數(shù)目和類型:* 采樣率（每秒）:* |
| AD5398BCBZ-REEL7 | 功能描述:IC DAC 10BIT CURRENT-SINK 9WLCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 設(shè)置時(shí)間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁(yè)面:1398 (CN2011-ZH PDF) |
| AD5398BCPZ-REEL | 功能描述:IC DAC 10BIT CURRENT-SINK 8LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Data Converter Fundamentals DAC Architectures 設(shè)計(jì)資源:Unipolar, Precision DC Digital-to-Analog Conversion using AD5450/1/2/3 8-14-Bit DACs (CN0052) Precision, Bipolar, Configuration for AD5450/1/2/3 8-14bit Multiplying DACs (CN0053) AC Signal Processing Using AD5450/1/2/3 Current Output DACs (CN0054) Programmable Gain Element Using AD5450/1/2/3 Current Output DAC Family (CN0055) Single Supply Low Noise LED Current Source Driver Using a Current Output DAC in the Reverse Mode (CN0139) 標(biāo)準(zhǔn)包裝:10,000 系列:- 設(shè)置時(shí)間:- 位數(shù):12 數(shù)據(jù)接口:DSP，MICROWIRE?，QSPI?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 薄型，TSOT-23-8 供應(yīng)商設(shè)備封裝:TSOT-23-8 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:2.7M |
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