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参数资料
| 型号： | AD5334BRUZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/20页 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT QUAD VOUT 24TSSOP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 1,000 |
| 设置时间： | 6µs |
| 位数： | 8 |
| 数据接口： | 并联 |
| 转换器数目： | 4 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 4.5mW |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 24-TSSOP |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 4 电压，单极；4 电压，双极 |
| 采样率（每秒）： | 167k |
REV. 0
AD5334/AD5335/AD5336/AD5344
–13–
IDD – A
FREQUENCY
300
350
600
400
450
500
550
VDD = 5V
VDD = 3V
Figure 23. IDD Histogram with VDD =
3 V and VDD = 5 V
FULL-SCALE
ERROR
–
%FSR
0
–0.2
0
1
2
345
6
VDD = 5V
TA = 25 C
VREF – V
–0.1
0.1
0.2
0.3
0.4
Figure 26. Full-Scale Error vs. VREF
500ns/DIV
V
OUT
–
Volts
0.919
0.920
0.921
0.922
0.923
0.924
0.925
0.926
0.927
0.928
0.929
Figure 24. AD5344 Major-Code Tran-
sition Glitch Energy
750ns/DIV
1mV/DIV
Figure 27. DAC-DAC Crosstalk
FREQUENCY – kHz
10
–40
0.01
–20
–30
0
–10
dB
0.1
1
10
100
1k
10k
–50
–60
Figure 25. Multiplying Bandwidth
(Small-Signal Frequency Response)
FUNCTIONAL DESCRIPTION
The AD5334/AD5335/AD5336/AD5344 are quad resistor-
string DACs fabricated on a CMOS process with resolutions of
8, 10, 10, and 12 bits, respectively. They are written to using a
parallel interface. They operate from single supplies of 2.5 V to
5.5 V and the output buffer ampliers offer rail-to-rail output
swing. The gain of the buffer ampliers in the AD5334 and
AD5336 can be set to 1 or 2 to give an output voltage range of
0 to VREF or 0 to 2 VREF. The AD5335 and AD5344 have out-
put buffers with unity gain.
The devices have a power-down feature that reduces current
consumption to only 80 nA @ 3 V.
Digital-to-Analog Section
The architecture of one DAC channel consists of a reference
buffer and a resistor-string DAC followed by an output buffer
amplier. The voltage at the VREF pin provides the reference
voltage for the DAC. Figure 28 shows a block diagram of the
DAC architecture. Since the input coding to the DAC is
straight binary, the ideal output voltage is given by:
VV
D
Gain
OUT
REF
N
=×
×
2
where:
D = decimal equivalent of the binary code which is loaded to
the DAC register:
0–255 for AD5334 (8 Bits)
0–1023 for AD5335/AD5336 (10 Bits)
0–4095 for AD5344 (12 Bits)
N = DAC resolution
Gain = Output Amplier Gain (1 or 2)
VOUT
GAIN
DAC
REGISTER
INPUT
REGISTER
RESISTOR
STRING
OUTPUT
BUFFER AMPLIFIER
VREF
Figure 28. Single DAC Channel Architecture
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5335 | 制造商:AD 制造商全称:Analog Devices 功能描述:2.5 V to 5.5 V, 500 uA, Parallel Interface Quad Voltage-Output 8-/10-/12-Bit DACs |
| AD5335BRU | 制造商:Analog Devices 功能描述:DAC 4-CH Resistor-String 10-bit 24-Pin TSSOP 制造商:Rochester Electronics LLC 功能描述:10-BIT,QUAD BYTE DAC, I.C - Bulk 制造商:Analog Devices 功能描述:10BIT DAC QUAD SMD 5335 TSSOP24 |
| AD5335BRU-REEL | 制造商:Analog Devices 功能描述:DAC 4-CH Resistor-String 10-bit 24-Pin TSSOP T/R |
| AD5335BRU-REEL7 | 制造商:Analog Devices 功能描述:DAC 4-CH Resistor-String 10-bit 24-Pin TSSOP T/R 制造商:Analog Devices 功能描述:DAC 4-CH RES-STRING 10-BIT 24TSSOP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:10-BIT,QUAD BYTE DAC, I.C - Tape and Reel |
| AD5335BRUZ | 功能描述:IC DAC 10BIT QUAD VOUT 24TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 标准包装:1 系列:- 设置时间:4.5µs 位数:12 数据接口:串行，SPI? 转换器数目:1 电压电源:单电源 功率耗散（最大）:- 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOICN 包装:剪切带 (CT) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:* 其它名称:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
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