參數(shù)資料
型號(hào)： AD7948BN
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 11/16頁(yè)
文件大?。?/td> 0K
描述： IC DAC 12BIT MULT PARALL 20-DIP
產(chǎn)品培訓(xùn)模塊： Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝： 18
設(shè)置時(shí)間： 600ns
位數(shù)： 12
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 1
電壓電源： 單電源
功率耗散（最大）： 25µW
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 通孔
封裝/外殼： 20-DIP（0.300"，7.62mm）
供應(yīng)商設(shè)備封裝： 20-PDIP
包裝： 管件
輸出數(shù)目和類(lèi)型： 1 電流，單極；1 電流，雙極
采樣率（每秒）： 1.7M
AD7943/AD7945/AD7948
REV. B
–4–
AC PERFORMANCE CHARACTERISTICS
NORMAL MODE
Parameter
B Grades
T Grade
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
600
700
ns typ
To 0.01% of Full-Scale Range. VREF =
+10 V; DAC Latch Alternately Loaded with
All 0s and All 1s
Digital to Analog Glitch Impulse
60
nV-s typ
Measured with VREF = 0 V. DAC Latch
Alternately Loaded with All 0s and All 1s
Multiplying Feedthrough Error
–75
dB max
DAC Latch Loaded with All 0s
Output Capacitance
60
pF max
All 1s Loaded to DAC
30
pF max
All 0s Loaded to DAC
Digital Feedthrough (AD7943)
5
nV-s typ
Feedthrough to the DAC Output with
LD1,
LD2 High and Alternate Loading of All 0s
and All 1s into the Input Shift Register
Digital Feedthrough (AD7945, AD7948) 5
5
nV-s typ
Feedthrough to the DAC Output with
CS
High and Alternate Loading of All 0s and
All 1s to the DAC Bus
Total Harmonic Distortion
–83
dB typ
Output Noise Spectral Density
@ 1 kHz
35
nV/
√Hz typ All 1s Loaded to DAC. V
REF = 0 V. Output
Op Amp Is OP07
Specifications subject to change without notice.
(AD7943: VDD = +4.5 V to +5.5 V; VIOUT1 = VIOUT2 = AGND = 0 V. AD7945, AD7948: VDD = +4.5 V to +5.5 V; VIOUT1 =AGND =
0 V. VREF = 6 V rms, 1 kHz sine wave; TA = TMIN to TMAX; DAC output op amp is AD843; unless otherwise noted.) These characteristics are in-
cluded for Design Guidance and are not subject to test.
AC PERFORMANCE CHARACTERISTICS
BIASED MODE (AD7943: VDD = +3 V to +5.5 V; VIOUT1 = VIOUT2 = AGND = 1.23 V. AD7945, AD7948: VDD = +3 V to +5.5 V; VIOUT1 = AGND =
1.23 V. VREF = 1 kHz, 2.45 V p-p, sine wave biased at 1.23 V; DAC output op amp is AD820; TA = TMIN to TMAX; unless otherwise noted.) These
characteristics are included for Design Guidance and are not subject to test.
Parameter
A Grades
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
5
s typ
To 0.01% of Full-Scale Range. VREF = 0 V
DAC Latch Alternately Loaded with All 0s and All 1s
Digital to Analog Glitch Impulse
60
nV-s typ
VREF = 1.23 V. DAC Register Alternately Loaded
with All 0s and All 1s
Multiplying Feedthrough Error
–75
dB max
DAC Latch Loaded with All 0s
Output Capacitance
60
pF max
All 1s Loaded to DAC
30
pF max
All 0s Loaded to DAC
Digital Feedthrough
5
nV-s typ
Feedthrough to the DAC Output with
LD1, LD2
High and Alternate Loading of All 0s and All 1s
into the Input Shift Register
Digital Feedthrough (AD7945, AD7948)
5
nV-s typ
Feedthrough to the DAC Output with CS High
and Alternate Loading of All 0s and All 1s to the
DAC Bus
Total Harmonic Distortion
–83
dB typ
Output Noise Spectral Density
@ 1 kHz
25
nV/
√Hz typ
All 1s Loaded to DAC. VREF = 1.23 V
Specifications subject to change without notice.
相關(guān)PDF資料
PDF描述
AD7949BCPZRL7 IC ADC 14BIT 250KSPS 8CH 20LFCSP
AD7951BSTZRL IC ADC 14BIT 1MSPS 48-LQFP
AD7952BCPZ IC ADC 14BIT DIFF 1MSPS 48LFCSP
AD7980ARMZ ADC 16BIT 1MSPS LP 10-MSOP
AD7982BCPZ-RL IC ADC 18BIT 1MSPS PULSAR 10LFCS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7948BNZ 功能描述:IC DAC 12BIT MULT PARALL 20DIP RoHS:是 類(lèi)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(lèi)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(lèi)型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱(chēng):MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND
AD7948BR 功能描述:IC DAC 12BIT MULTIPLYING 20-SOIC RoHS:否 類(lèi)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(lèi)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(lèi)型:* 采樣率（每秒）:*
AD7948BR-REEL 制造商:Analog Devices 功能描述:DAC 1-CH R-2R 12-bit 20-Pin SOIC W T/R
AD7948BRS 功能描述:IC DAC 12BIT MULT PARALL 20-SSOP RoHS:否 類(lèi)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(lèi)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(lèi)型:* 采樣率（每秒）:*
AD7948BRS-REEL 制造商:Analog Devices 功能描述:DAC 1-CH R-2R 12-bit 20-Pin SSOP T/R 制造商:Analog Devices 功能描述:DAC 1CH R-2R 12-BIT 20SSOP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:BYTE 12-B IOUT DAC IC - Tape and Reel
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*