參數(shù)資料
型號(hào)： AD9734
廠商： Analog Devices, Inc.
英文描述： 14/12/10-Bit, 1200 MSPS D/A Converters
中文描述： 14/12/10-Bit，1200 MSPS的D / A轉(zhuǎn)換
文件頁數(shù)： 28/42頁
文件大?。?/td> 934K
代理商： AD9734
AD9736/AD9735/AD9734
Preliminary Technical Data
AD9736 ANALOG CONTROL REGISTER
Rev. PrJ | Page 28 of 42
The AD9736 includes some registers for optimizing its analog
performance. These registers include temperature trim for the
bandgap, noise reduction in the output current mirror and output
current mirror headroom adjustments.
BANDGAP TEMPERATURE CHARACTERISTIC TRIM BITS
Using TRMBG<2:0> (REG14, bits 2:0) the temperature
characteristic of the internal bandgap can be trimmed to minimize
the drift over temperature as shown in Figure 31.
Figure 31. BANDGAP Temperature Characteristic for Various TRMBG Values
It is important to note that the temperature changes are sensitive to
process variations and the above plot may not be representative of
all fabrication lots. Optimum adjustment requires measurement of
the device operation at two temperatures and development of a
trim algorithm to program the correct TRMBG<2:0> values in
external non-volatile memory.
MIRROR ROLL OFF FREQUENCY CONTROL
With MSEL<1:0> (REG14, bits 7:6) the user can adjust the noise
contribution of the internal current mirror to optimize the 1/F
noise. Figure 32 shows MSEL vs. the 1/F noise with 20mA Full-
Scale current into a 50ohm resistor.
Figure 32. 1/F Noise With Respect to MSEL Bits
HEADROOM BITS
HDRM<7:0> (REG15, bits 7:0) is for internal evaluation and it is
not recommended to change them from their default reset values.
相關(guān)PDF資料
PDF描述
AD9735 14/12/10-Bit, 1200 MSPS D/A Converters
AD9736 14/12/10-Bit, 1200 MSPS D/A Converters
AD9736-EB 14/12/10-Bit, 1200 MSPS D/A Converters
AD9736BBC 14/12/10-Bit, 1200 MSPS D/A Converters
AD974(中文) 4-Channel, 16-Bit, 200 kSPS Data Acquisition System(4通道,200kSPS16位數(shù)據(jù)采集系統(tǒng))
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參數(shù)描述
AD9734_06 制造商:AD 制造商全稱:Analog Devices 功能描述:10-/12-/14-Bit, 1200 MSPS DACS
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AD9734BBCZ 功能描述:IC DAC 10BIT 1.2GSPS 160-CSPBGA 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:1 系列:- 設(shè)置時(shí)間:4.5µs 位數(shù):12 數(shù)據(jù)接口: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:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND
AD9734BBCZ1 制造商:AD 制造商全稱:Analog Devices 功能描述:10-/12-/14-Bit, 1200 MSPS DACS
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