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| 型号： | AD9221ARZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/32页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 1.5MSPS 28SOIC |
| 标准包装： | 27 |
| 位数： | 12 |
| 采样率（每秒）： | 1.5M |
| 数据接口： | 并联 |
| 转换器数目： | 7 |
| 功率耗散（最大）： | 70mW |
| 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： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 管件 |
| 输入数目和类型： | 2 个单端，单极；1 个差分，单极 |
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REV. E
AD9221/AD9223/AD9220
–13–
Table I. Analog Input Configuration Summary
Input
Input Range (V)
Figure
Connection
Coupling
Span (V)
VINA
*
VINB
*
No.
Comments
Single-Ended
DC
2
0 to 2
1
13, 14
Best for stepped input response applica-
tions, suboptimum THD, and noise
performance. Requires
±5 V op amp.
2
× VREF 0 to
VREF
13, 14
Same as above but with improved noise
2
× VREF
performance due to increase in dynamic
range. Headroom/settling time require-
ments of
±5 V op amp should be evaluated.
50 to 5
2.5
13, 14
Optimum noise performance, excellent
THD performance. Requires op amp with
VCC > 5 V due to headroom issue.
2
× VREF 2.5 – VREF
2.5
24
Optimum THD performance with VREF =
to
1. Noise to performance improves while
2.5 + VREF
THD performance degrades as VREF
increases to 2.5 V. Single-supply operation
(i.e., 5 V) for many op amps.
Single-Ended
AC
2 or
0 to 1 or
1 or VREF
15
Suboptimum ac performance due to input
2
× VREF 0 to 2 × VREF
common-mode level not biased at optimum
midsupply level (i.e., 2.5 V).
50 to 5
2.5
15
Optimum noise performance, excellent THD
performance, ability to use
±5 V op amp.
2
× VREF 2.5 – VREF
2.5
16
Flexible input range, optimum THD
to
performance with VREF = 1. Noise
2.5 + VREF
performance improves while THD perfor-
mance degrades as VREF increases to 2.5 V.
Ability to use +5 V or
±5 V op amp.
Differential
AC
2
2 to 3
3 to 2
19
Optimum full-scale THD and SFDR
(via Transformer)
performance well beyond the A/D’s Nyquist
frequency. Preferred mode for under-
sampling applications.
2
× VREF 2.5 – VREF/2 2.5 + VREF/2 19
Same as 2 V to 3 V input range with the
to
exception that full-scale THD and SFDR
2.5 + VREF/2
2.5 – VREF/2
performance can be traded off for better
noise performance. Refer to discussion in AC
Coupling and Interface Issue section and
Simple AC Interface section.
5
1.75 to 3.25
3.25 to 1.75
19
Optimum Noise performance. Also, the
optimum THD and SFDR performance for
“less than” full-scale signals (i.e., –6 dBFS).
Refer to discussion in AC Coupling and
Interface Issue section and Simple AC
Interface section.
*VINA and VINB can be interchanged if signal inversion is required.
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| AD9221ARZ-REEL | 功能描述:IC ADC 12BIT 1.5MSPS 28SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD9221-EB | 制造商:Analog Devices 功能描述: 制造商:Analog Devices 功能描述:EVAL KIT FOR COMPLETE 12-BIT 1.5/3.0/10.0MSPS MONOLITHIC A/D - Bulk |
| AD9222 | 制造商:AD 制造商全称:Analog Devices 功能描述:Octal, 12-Bit, 40/50 MSPS Serial LVDS 1.8 V A/D Converter |
| AD9222-50EBZ | 制造商:Analog Devices 功能描述:EVAL BD FOR AD9222 - Bulk |
| AD9222-65EB | 制造商:Analog Devices 功能描述: |
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