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| 型號(hào)： | AD5392BCPZ-5 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 28/44頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 14BIT 8CHAN 5V 64LFCSP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 產(chǎn)品變化通告： | AD5390/1/2 Redesign Change 16/May/2012 |
| 設(shè)計(jì)資源： | 8 to 16 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5390/1/2 (CN0029) AD5390/91/92 Channel Monitor Function (CN0030) |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 設(shè)置時(shí)間： | 8µs |
| 位數(shù)： | 14 |
| 數(shù)據(jù)接口： | I²C，串行 |
| 轉(zhuǎn)換器數(shù)目： | 16 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 35mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 64-LFCSP-VQ（9x9） |
| 包裝： | 托盤 |
| 輸出數(shù)目和類型： | 8 電壓，單極 |
| 采樣率（每秒）： | 125k |
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AD5390/AD5391/AD5392
Data Sheet
Rev. E | Page 34 of 44
Table 27 shows the control register contents of the AD5391. Table 28 provides bit descriptions. Note that REG1 = REG0 = 0,
A3 to A0 = 1100, and DB13 to DB0 contain the control register data.
Table 27. AD5391 Control Register Contents
MSB
LSB
CR11
CR10
CR9
CR8
CR7
CR6
CR5
CR4
CR3
CR2
CR1
CR0
Table 28. AD5391 Bit Descriptions
Bit
Description
CR11
Power-Down Status. This bit is used to configure the output amplifier state in power-down mode.
CR11 = 1: Amplifier output is high impedance (default on power-up).
CR11 = 0: Amplifier output is 100 kΩ to ground.
CR10
REF Select. This bit selects the operating internal reference for the AD5391. CR10 is programmed as follows:
CR10 = 1: Internal reference is 2.5 V (AD5391-5 default). Recommended operating reference for AD5391-5.
CR10 = 0: Internal reference is 1.25 V (AD5391-3 default). Recommended operating reference for AD5391-3.
CR9
Current Boost Control. This bit is used to boost the current in the output amplifier, thus altering its slew rate. This bit is
configured as follows:
CR9 = 1: Boost mode on. This maximizes the bias current in the output amplifier, optimizing its slew rate but increasing
the power dissipation.
CR9 = 0: Boost mode off (default on power-up). This reduces the bias current in the output amplifier and reduces the overall
power consumption.
CR8
Internal/External Reference. This bits determines if the DAC uses its internal reference or an external reference.
CR8 = 1: Internal reference enabled. Reference output depends on data loaded to CR10.
CR8 = 0: External reference selected (default on power-up).
CR7
Channel Monitor Enable (see Table 24).
CR7 = 1: Monitor enabled. This enables the channel monitor function. Following a write to the monitor channel in
the SFR register, the selected channel output is routed to the MON_OUT pin.
CR7 = 0: Monitor disabled (default on power-up). When monitor is disabled, the MON_OUT pin is three-stated.
CR6
Thermal Monitor Function. When enabled, this function is used to monitor the internal die temperature of the AD5391,
when enabled. The thermal monitor powers down the output amplifiers when the temperature exceeds 130°C. This function
can be used to protect the device in cases where the power dissipation of the device may be exceeded, if a number of
output channels are simultaneously short circuited. A soft power-up re-enables the output amplifiers if the die temperature
has dropped below 130°C.
CR6 = 1: Thermal monitor enabled.
CR6 = 0: Thermal monitor disabled (default on power-up).
CR5 to CR2
Don’t Care.
CR1 to CR0
Toggle Function Enable. This function lets the user toggle the output between two codes loaded to the A and B register for
each DAC. Control Register Bit CR1 and Bit CR0 are used to enable individual groups of eight channels for operation in
toggle mode on the AD5391, as follows:
CR1
Group 1
Channel 8 to Channel 15
CR0
Group 0
Channel 0 to Channel 7
Logic 1 written to any bit enables a group of channels and Logic 0 disables a group. LDAC is used to toggle between the two
registers.
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| AD5392BSTZ-3 | 功能描述:IC DAC 14BIT 8CHAN 3V 52LQFP 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 標(biāo)準(zhǔn)包裝:750 系列:- 設(shè)置時(shí)間:7µs 位數(shù):16 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應(yīng)商設(shè)備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
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