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参数资料
| 型号： | AD7329BRUZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 15/41页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT+SAR 8CHAN 24-TSSOP |
| 标准包装： | 1,000 |
| 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）： | 30mW |
| 电压电源： | 双 ± |
| 工作温度： | -40°C ~ 85°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) |
| 输入数目和类型： | 8 个单端，单极；8 个单端，双极；4 个差分，单极；4 个差分，双极 |
| 配用： | EVAL-AD7329CBZ-ND - BOARD EVALUATION FOR AD7329CBZ |
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Data Sheet
AD7329
Rev. B | Page 21 of 40
This voltage is set up externally, and its range varies with reference
voltage. As the reference voltage increases, the common-mode
range decreases. When the differential inputs are driven with an
amplifier, the actual common-mode range is determined by the
amplifier’s output swing. If the differential inputs are not driven
from an amplifier, the common-mode range is determined by
the supply voltage on the VDD supply pin and the VSS supply pin.
When a conversion takes place, the common mode is rejected,
resulting in a noise-free signal of amplitude 2 × (4 × VREF) to +2 ×
(4 × VREF), corresponding to Digital Codes 4096 to +4095.
±16.5V VDD/VSS
±12V VDD/VSS
5
–6
V
CO
M
RANG
E
(
V
)
4
3
2
1
0
–1
–2
–3
–4
–5
VCC = 3V
VREF = 3V
±2.5V
RANGE
±10V
RANGE
±5V RANGE
±2.5V
RANGE
±5V RANGE
±10V
RANGE
05402-
035
Figure 38. Common-Mode Range for VCC = 3 V and REFIN/REFOUT = 3 V
±16.5V VDD/VSS
±12V VDD/VSS
V
CO
M
RANG
E
(
V
)
VCC = 5V
VREF = 3V
8
–4
6
4
2
0
–2
±2.5V
RANGE
±10V
RANGE
±5V RANGE
±2.5V
RANGE
±5V RANGE
±10V
RANGE
05402-
036
Figure 39. Common-Mode Range for VCC = 5 V and REFIN/REFOUT = 3 V
6
–8
4
2
0
–2
–4
–6
±16.5V VDD/VSS
±12V VDD/VSS
V
CO
M
RANG
E
(
V
)
VCC = 3V
VREF = 2.5V
±2.5V
RANGE
±10V
RANGE
±5V RANGE
±2.5V
RANGE
±5V RANGE
±10V
RANGE
05402-
037
Figure 40. Common-Mode Range for VCC = 3 V and REFIN/REFOUT = 2.5 V
8
–8
6
4
2
0
–2
–4
–6
05402-
038
±16.5V VDD/VSS
±12V VDD/VSS
V
CO
M
RANG
E
(
V
)
VCC = 5V
VREF = 2.5V
±2.5V
RANGE
±10V
RANGE
±5V RANGE
±2.5V
RANGE
±5V RANGE
±10V
RANGE
Figure 41. Common-Mode Range for VCC = 5 V and REFIN/REFOUT = 2.5 V
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