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参数资料
| 型号： | THS1240IPHP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 1-CH 12-BIT DELTA-SIGMA ADC, PARALLEL ACCESS, PQFP48 |
| 封装： | POWER, PLASTIC, TQFP-48 |
| 文件页数： | 18/20页 |
| 文件大小： | 450K |
| 代理商： | THS1240IPHP |
THS1240
12-BIT 40 MSPS IF SAMPLING COMMUNICATIONS
ANALOG-TO-DIGITAL CONVERTER
SLAS279D – JUNE 2000 – REVISED JANUARY 2001
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
V(VIN)
CLK+
Digital Output
(D0 – D11)
Data N–7
tp(H)
tP(L)
td(A)
Sample N
tc
td(O)
td(Pipe)
Data N–6
Data N–5
Data N–4
Data N–3
Data N–2
Data N–1
Data N
Data N+1
Data N+2
Figure 1. Timing Diagram
equivalent circuits
Figure 2. References
Figure 3. Analog Input Stage
φ1′
φ1
φ2
VCM
AVDD
VCM
AVSS
600
600
VREFOUT+
VREFOUT–
R2
R1
BAND
GAP
VIN+
VIN–
1 k
Figure 4. Clock Inputs
DVDD
CLK+
DVSS
R1
5 k
R2
5 k
GND
VDD
DVDD
R1
5 k
R2
5 k
CLK–
DVSS
To
Timing
Circuits
DRVSS
DRVDD
10
D0–D11
Figure 5. Digital Outputs
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