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參數(shù)資料
| 型號(hào)： | XRD66092AIP |
| 元件分類： | ADC |
| 英文描述： | Analog-to-Digital Converter??? 12-Bit |
| 中文描述： | 12位模數(shù)轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 262K |
| 代理商： | XRD66092AIP |
XRD66092
CMOS 750 KSPS, 12-Bit
Analog-to-Digital Converter
with Serial Logic Interface Port
Rev. 1.00
1996
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 (510) 668-7000 FAX (510) 668-7017
FEATURES
12-Bit Monotonic ADC with DNL = +1 LSB, INL = +2.5 LSB
SNR > 66 dB
Sampling Frequency < 750 kHz
Internal Track and Hold
Single 5 V Supply
Rail-to-Rail Input Range
V
REF
Range: 1.5 V to V
DD
CMOS Low Power: 175 mW (typ)
Binary and Two’s Complement Digital Output Mode
Serial Port
ESD: 2000 V Minimum
Underflow and Overflow Outputs
Precision Aperture Output
6 Reference Resistor Taps
Latch-Up Free
APPLICATIONS
Control Systems
Instrumentation
DAS
Sonar
Digital Radio
...the analog plus company
TM
April 1996-1
GENERAL DESCRIPTION
The XRD66092 is a 12-bit 750 kHz subranging
Analog-to-Digital Converter with an internal track and hold.
The XRD66092 operates with a single supply ranging from +3
V to +5 V while consuming less than 175 mW of power (typical).
Separate pins for V
RT
and V
RB
allow flexibility for analog input
(V
IN
) and the reference voltage range ( V
REF
).
Data is presented at the serial output port every clock cycle
with a 2.5 cycle pipeline delay. LINV and MINV enable binary
and 2’s complement data formatting. 6 ladder tap pins provide
for transfer function adjustment.
SIMPLIFIED BLOCK DIAGRAM
V
RT
V
RB
S/H
V
IN
REF Ladder
MSB
Comparators
LSB
Comparators
Clock Logic
Aperture CLK
Encoder
and
Error
Correction
Logic
LINV
MINV
Over
D11
D10-D0
Under
V
DD
(3 Pads)
GND
(3 Pads)
UFW
PLOAD
SCLK
SDO
R4
R5
R7
R8
R9
R12
V
DD
GND
O
R
L
L
OFW
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