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參數(shù)資料
| 型號： | AD9066AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | Dual 6-Bit, 60 MSPS Monolithic A/D Converter |
| 中文描述： | DUAL 1-CH 6-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封裝： | SOIC-28 |
| 文件頁數(shù)： | 6/7頁 |
| 文件大?。?/td> | 99K |
| 代理商： | AD9066AR |
–6–
+
+
AD9066
CLKIN
OPBPF
OR LPF
PLL
V
INA
V
INB
CLOCK
1
6
11
28
27
26
25
24
23
20
19
18
17
16
15
A OUTPUTS
(INPHASE)
B OUTPUTS
0
90
RECEIVED SIGNAL
STRENGTH INDICATOR
AGC
DETECTOR
PTAT
VOLTAGE
10
VMID
10
100nF
330
100nF
4.7 F
330
BANDPASS
FILTER
AGC VOLTAGE
MIDPOINT
BIAS
GENERATOR
BIAS
CIRCUIT
–
16dBM
LOCAL
OSCILLATOR
RF INPUT
(ANTENNA)
AD607
Figure 8. Digitizer with AD607 Receiver Circuit
Theory of Operation
The AD9066 dual ADC employs a patented interpolated flash
architecture. This architecture enables 64 possible quantization
levels with only 32 comparator preamplifiers. This keeps input
capacitance to a minimum. The midpoint of the reference lad-
der is fed back to the analog input, allowing easy biasing of the
ADC to midscale for ac coupled applications.
As shown in Figure 4d, a simple resistor is used to provide the
reference ladder midpoint to the analog input. The high imped-
ance MOS inputs of the comparators insure no static voltage
drop across the resistor. This eliminates the need for an active
buffer (and its inherent offsets) to set the reference midpoint at
the analog input.
The outputs of the comparators are converted to a 6-bit word
and converted to CMOS levels. The digital signals are latched at
six stages (two pipeline delays) in the signal path. The digital
outputs are CMOS with approximately equal rise and fall times.
The encode clock utilizes a CMOS input stage with TTL-
compatible (1.4 V) thresholds. Internal clock buffers minimize
external clock drive requirements.
REV. A
AD9066
相關PDF資料 |
PDF描述 |
|---|---|
| AD9066ARS | Dual 6-Bit, 60 MSPS Monolithic A/D Converter |
| AD9066JR | Dual 6-Bit, 60 MSPS Monolithic A/D Converter |
| AD9070 | RES., MF, 150 OHM, 1%, 1/4W |
| AD9070BR | 10-Bit, 100 MSPS A/D Converter |
| AD9071 | 10-Bit, 100 MSPS A/D Converter |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD9066AR-REEL | 制造商:Rochester Electronics LLC 功能描述:6B 60MHZ DUAL A/D - Tape and Reel |
| AD9066ARS | 制造商:Analog Devices 功能描述:ADC Dual Flash 60Msps 6-bit Parallel 28-Pin SSOP 制造商:Rochester Electronics LLC 功能描述:6B 60 MHZ DUAL A/D - Bulk |
| AD9066ARS-REEL | 制造商:Analog Devices 功能描述:ADC Dual Flash 60Msps 6-bit Parallel 28-Pin SSOP T/R 制造商:Analog Devices 功能描述:ADC DUAL FLASH 60MSPS 6-BIT PARALLEL 28SSOP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:6B 60 MHZ DUAL A/D - Tape and Reel |
| AD9066JR | 制造商:Analog Devices 功能描述:ADC Dual Flash 60Msps 6-bit Parallel 28-Pin SOIC W 制造商:Rochester Electronics LLC 功能描述:6B 60MHZ DUAL A/D - Bulk |
| AD9066JR-REEL | 制造商:Analog Devices 功能描述:ADC Dual Flash 60Msps 6-bit Parallel 28-Pin SOIC W T/R 制造商:Rochester Electronics LLC 功能描述:6B 60MHZ DUAL A/D - Tape and Reel |
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