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參數(shù)資料
| 型號： | ADC160M |
| 英文描述： | Analog-to-Digital Converter， 24-Bit |
| 中文描述： | 模擬到數(shù)字轉(zhuǎn)換器，24比特 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 35K |
| 代理商： | ADC160M |
1
DAC/ADC
AMI 0.6 micron CMOS
ADC16R02
5V, 16 Bit ADC 28 KSPS, Resistive Ladder ADC
Features
16 bit parallel output, 16 bits resolution.
The input to be converted ranges from 1V to 4V,
where 1V is encoded as 0000000000000000 and 4V
as 1111111111111111.
Maximum clock rate of 5 MHz, which is equivalent to
28.4 kHz conversion rate.
The operating voltage is 5V, which is for both analog
power supply and digital power supply.
Low Power, CMOS design, typically than 2 mw.
Functional Diagram Block
VREF
Note: VIN: Input analog voltage.
RESET: Reset the chip. Active low.
CLK: Clock input (5 MHz max).
VL: Logic supply voltage (5V Typical).
VN: Digital ground (0V).
V5: Analog supply voltage (5V Typical).
AGND: Analog ground (0V).
VREF: Reference Voltage (typically 2.5V).
Valid: Valid signal, active high. Indicates conversion is complete and data is
latched at the outputs.
Q0-Q15: 16 bit latched-output of the ADC. Q15 is MSB. Q0 is LSB.
General Description
The ADC16R02 is realized in resistive ladder architecture.
The part operates from a single 5V supply. This 16 bit
ADC is designed to run in a continuous mode. After RST
signal is asserted high, the conversion begins. Each
conversion takes at most 22 clock-cycles. A 5 MHz input
clock corresponds to 28.4 kHz conversion rate. After one
conversion is completed a rising edge for valid signal is
used to latch 16 bits output. This valid signal is also used
to sample the input to start next conversion immediately. If
at any time the RST goes low, the chip will stay at reset.
The ADC16R02 operates at low power of typically less
than 2mW. This characteristic makes the ADC16R02 ideal
for the application in low-power portable devices.
Applications
Low power portable applications
Instrumentation
DSP control loops
Audio processing
Low speed data acquisition
Product Highlights
Low-power operation, less than 2 mW.
Hybrid design of both resistor network and capacitor
network guarantees highest accuracy.
Offset is compensated internally.
Single-supply operation. This part operates from a single
+5V supply.
Small layout area, 1.7 x 2mm without pads.
Conversion rate is 28.4 kHz at a power consumption of
less than 2 mW.
Part is realized in AMI's 0.6
μ
1.5
μ
process allows operation at higher voltages.
process. A version in AMI's
Out [3:0]
Input
Clk
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