參數(shù)資料
型號(hào): EVAL-AD7329CBZ
廠商: Analog Devices Inc
文件頁數(shù): 15/41頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR AD7329CBZ
標(biāo)準(zhǔn)包裝: 1
系列: iCMOS®
ADC 的數(shù)量: 1
位數(shù): 12
采樣率(每秒): 1M
數(shù)據(jù)接口: 串行
輸入范圍: ±10 V
在以下條件下的電源(標(biāo)準(zhǔn)): 30mW @ 1MSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD7329
已供物品:
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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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