参数资料
| 型号： | AD7450BRMZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 12/22页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT DIFF IN 1MSPS 8MSOP |
| 标准包装： | 50 |
| 位数： | 12 |
| 采样率（每秒）： | 1M |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 9.25mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 管件 |
| 输入数目和类型： | 1 个差分，单极 |
| 配用： | EVAL-AD7450CBZ-ND - BOARD EVALUATION FOR AD7450 |
–2–
AD7450–SPECIFICATIONS1
Parameter
Conditions/Comments
A Version
B Version
Unit
DYNAMIC PERFORMANCE
Signal-to-(Noise + Distortion) Ratio
VDD = 5 V
70
dB min
(SINAD)
3
VDD = 3 V
68
dB min
Total Harmonic Distortion (THD)
3
VDD = 5 V, –80 dB typ
–75
dB max
VDD = 3 V, –78 dB typ
–73
dB max
Peak Harmonic or Spurious Noise
3
VDD = 5 V, –82 dB typ
–75
dB max
VDD = 3 V, –80 dB typ
–73
dB max
Intermodulation Distortion (IMD)
3
Second Order Terms
–85
dB typ
Third Order Terms
–85
dB typ
Aperture Delay
3
10
ns typ
Aperture Jitter
3
50
ps typ
Full Power Bandwidth
3
@ –3 dB
20
MHz typ
@ –0.1 dB
2.5
MHz typ
Power Supply Rejection Ratio
(PSRR)
3, 4
–87
dB typ
DC ACCURACY
Resolution
12
Bits
Integral Nonlinearity (INL)
3
±2
±1
LSB max
Differential Nonlinearity (DNL)
3
Guaranteed No Missed
Codes to 12 Bits
–1/+2
±1
LSB max
Zero Code Error
3
VDD = 5 V
±3
LSB max
VDD = 3 V
±6
LSB max
Positive Gain Error
3
VDD = 5 V
±3
LSB max
VDD = 3 V
±6
LSB max
Negative Gain Error
3
VDD = 5 V
±3
LSB max
VDD = 3 V
±6
LSB max
ANALOG INPUT
Full-Scale Input Span
2
VREF
5
VIN+ – VIN–
V
Absolute Input Voltage
VIN+
VCM
2 = V
REF
VCM
± V
REF/2
VCM
± V
REF/2
V
VIN–
VCM
2 = V
REF
VCM
± VREF/2
VCM
± VREF/2
V
DC Leakage Current
±1
A max
Input Capacitance
When in Track
20
pF typ
When in Hold
6
pF typ
REFERENCE INPUT
VREF Input Voltage
5 V supply (
±1% tolerance for
specified performance)
2.5
6
2.5
6
V
3 V supply (
±1% tolerance for
specified performance)
1.25
7
1.25
7
V
DC Leakage Current
±1
A max
VREF Input Capacitance
15
pF typ
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
Input Low Voltage, VINL
0.8
V max
Input Current, IIN
Typically 10 nA, VIN = 0 V or VDD
±1
A max
Input Capacitance, CIN
8
10
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
VDD = 5 V, ISOURCE = 200
A
2.8
V min
VDD = 3 V, ISOURCE = 200
A
2.4
V min
Output Low Voltage, VOL
ISINK = 200
A
0.4
V max
Floating-State Leakage Current
±1
A max
Floating-State Output Capacitance
8
10
pF max
Output Coding
Two’s
Complement
(VDD = 2.7 V to 3.3 V, fSCLK = 15 MHz, fS = 833 kSPS, VREF = 1.25 V, FIN = 200 kHz;
VDD = 4.75 V to 5.25 V, fSCLK = 18 MHz, fS = 1 MSPS, VREF = 2.5 V, FIN = 300 kHz; VCM
2 = V
REF; TA = TMIN to TMAX, unless otherwise noted.)
Rev. A
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| AD7450BR-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 12-bit Serial 8-Pin SOIC N T/R 制造商:Rochester Electronics LLC 功能描述:3V/5V DIFFERENTIAL INPUT 12 BIT SAR IC - Tape and Reel |
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| AD7450BRZ | 功能描述:IC ADC 12BIT DIFF IN 1MSPS 8SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 其它有关文件:TSA1204 View All Specifications 标准包装:1 系列:- 位数:12 采样率（每秒）:20M 数据接口:并联 转换器数目:2 功率耗散（最大）:155mW 电压电源:模拟和数字 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-TQFP 供应商设备封装:48-TQFP（7x7） 包装:Digi-Reel® 输入数目和类型:4 个单端，单极；2 个差分，单极 产品目录页面:1156 (CN2011-ZH PDF) 其它名称:497-5435-6 |
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