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參數(shù)資料
| 型號(hào)： | AS1545-BQFT |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | ADC |
| 英文描述： | Dual 12-bit, 12-CH, 1Msps; Package Type: TQFN(5x5)-32 |
| 封裝： | TQFN(5x5)-32 |
| 文件頁數(shù)： | 26/34頁 |
| 文件大小： | 1587K |
| 代理商： | AS1545-BQFT |
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Revision 1.01
26 - 34
AS1545
Datasheet - Application Information
Figure 47. Exiting Partial Power-Down Mode
Figure 48. Entering Full Power-Down Mode
Figure 49. Exiting Full Power-Down Mode
Note:
It is not necessary to complete the 15 SCLKs once CSN is brought high to enter a power-down mode.
The required power-up time must elapse before a conversion can be initiated, as shown in
Figure 49
.
Partial Power-Down Mode
This mode is intended for use in applications where slower throughput rates are required. Either the ADC is powered
down between each conversion, or a series of conversions may be performed at a high throughput rate, and the ADC
is then powered down for a relatively long duration between these bursts of several conversions. When the AS1545 is
in partial power-down, all analog circuitry is powered down except for the on-chip reference and reference buffer.
1
15
D
OUT
A
D
OUT
B
SCLK
CSN
10
INVALID DATA
VALID DATA
1
15
The part begins to power-up
The part is fully powered-up
t
power-up1
1
15
D
OUT
A
D
OUT
B
SCLK
CSN
10
INVALID DATA
The part enters partial power down
The part enters fully powered down
1
15
10
The part begins to power-up
INVALID DATA
Three-State
Three-State
2
2
1
15
D
OUT
A
D
OUT
B
SCLK
CSN
10
INVALID DATA
VALID DATA
1
15
The part begins to power-up
The part is fully powered-up
t
power-up1
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