参数资料
| 型号： | AD7303BRZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 13/16页 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT DUAL R-R 8-SOIC |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 98 |
| 设置时间： | 1.2µs |
| 位数： | 8 |
| 数据接口： | 串行 |
| 转换器数目： | 2 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 6.93mW |
| 工作温度： | -40°C ~ 105°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-SOIC |
| 包装： | 管件 |
| 输出数目和类型： | 2 电压，单极；2 电压，双极 |
| 采样率（每秒）： | 833k |
| 产品目录页面： | 784 (CN2011-ZH PDF) |
AD7303–Typical Performance Characteristics
–6–
REV. 0
VDD = +5V AND +3V
INTERNAL REFERENCE
TA = 25 C
DAC LOADED WITH 00HEX
SINK CURRENT – mA
V
OUT
–
mV
800
0
08
24
6
720
400
249
160
80
640
560
320
480
Figure 3. Output Sink Current Capa-
bility with VDD = 3 V and VDD = 5 V
REFERENCE VOLTAGE – Volts
ERROR
–
LSBs
0.5
0
1
1.2
2.8
1.4
1.6
1.8
2.2
2.4
2.6
2
0.45
0.25
0.15
0.1
0.05
0.4
0.35
0.2
0.3
VDD = +5V
TA = 25 C
INL ERROR
DNL ERROR
Figure 6. Relative Accuracy vs.
External Reference
FREQUENCY – kHz
ATTENUATION
–
dB
1
10
10000
100
1000
10
5
–40
0
–5
–10
–15
–20
–25
–30
–35
VDD = +5V
TA = 25°C
EXTERNAL SINE WAVE REFERENCE
DAC REGISTER LOADED WITH FFHEX
Figure 9. Large Scale Signal
Frequency Response
SOURCE CURRENT – mA
V
OUT
–
Volts
02
8
46
5
4.92
4.2
4.84
4.76
4.68
4.6
4.52
4.44
4.36
4.28
VDD = +5V
TA = 25°C
INTERNAL REFERENCE
DAC REGISTER LOADED WITH FFHEX
Figure 4. Output Source Current
Capability with VDD = 5 V
–60 –40 –20
0
20 40
60
80 100 120 140
TEMPERATURE – C
5
3.5
2
I DD
–
mA
4.5
4
3
2.5
LOGIC INPUTS = VDD OR GND
INTERNAL REFERENCE
VDD = +5V
LOGIC INPUTS = VIH OR VIL
Figure 7. Supply Current vs.
Temperature
T
SYNC
VOUT
VDD = +3V
INTERNAL VOLTAGE REFERENCE
FULL SCALE CODE CHANGE 00H-FFH
TA = 25°C
1
3
2
VOUT
CH1 5V, CH2 1V, CH3 20mV
TIME BASE = 200ns/div
Figure 10. Full-Scale Settling Time
SOURCE CURRENT – mA
3.5
1
01
8
23
4567
3.25
2.5
2.25
1.75
1.25
3
2.75
2
1.5
V
OUT
–
Volts
VDD = +3V
TA = 25°C
INTERNAL REFERENCE
DAC REGISTER LOADED WITH FFHEX
Figure 5. Output Source Current
Capability with VDD = 3 V
VDD – Volts
I DD
–
mA
5.5
1.5
5
3.5
3
2.5
2
4.5
4
2.5
3
5.5
3.5
4
4.5
5
LOGIC INPUTS = VDD OR GND
LOGIC INPUTS = VIH OR VIL
TA = 25°C
INTERNAL REFERENCE
Figure 8. Supply Current vs.
Supply Voltage
SYNC
VOUT
POWER UP TIME
VDD = +5V
INTERNAL REFERENCE
BOTH DACS IN POWER DOWN INITIALLY
1
2
CH1 = 2V/div, CH2 = 5V/div,
TIME BASE = 2s/div
Figure 11. Exiting Power-Down (Full
Power-Down)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7303BRZ | 制造商:Analog Devices 功能描述:IC DAC 8BIT 833KSPS SOIC-8 |
| AD7303BRZ-REEL | 功能描述:IC DAC 8BIT DUAL R-R 8-SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色产品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 标准包装:91 系列:- 设置时间:4µs 位数:10 数据接口:MICROWIRE?，串行，SPI? 转换器数目:8 电压电源:单电源 功率耗散（最大）:2.7mW 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-DFN-EP（4x3） 包装:管件 输出数目和类型:8 电压，单极 采样率（每秒）:* |
| AD7303BRZ-REEL7 | 功能描述:IC DAC 8BIT DUAL R-R 8-SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色产品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 标准包装:91 系列:- 设置时间:4µs 位数:10 数据接口:MICROWIRE?，串行，SPI? 转换器数目:8 电压电源:单电源 功率耗散（最大）:2.7mW 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-DFN-EP（4x3） 包装:管件 输出数目和类型:8 电压，单极 采样率（每秒）:* |
| AD7304 | 制造商:AD 制造商全称:Analog Devices 功能描述:+3 V/+5 V, Rail-to-Rail Quad, 8-Bit DAC |
| AD7304BN | 制造商:Analog Devices 功能描述:IC 8BIT DAC 7304 DIP16 |
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