參數(shù)資料
型號(hào)： AD9235BCP-40
廠商： ANALOG DEVICES INC
元件分類(lèi)： ADC
英文描述： 12-Bit, 20/40/65 MSPS 3 V A/D Converter
中文描述： 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, QCC32
封裝： MO-220-VHHD-2, LFCSP-32
文件頁(yè)數(shù)： 1/32頁(yè)
文件大?。?/td> 1181K
代理商： AD9235BCP-40
a
AD9235
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
Tel: 781/329-4700
www.analog.com
REV. B
FUNCTIONAL BLOCK DIAGRAM
SHA
VIN+
VIN–
REFT
REFB
A/D
4
DRVDD
A/D
3
8-STAGE
1 1/2-BIT PIPELINE
16
CLK
PDWN
MODE
CLOCK
DUTY CYCLE
STABLIZER
MODE
SELECT
DGND
OTR
D11
D0
AVDD
MDAC1
CORRECTION LOGIC
OUTPUT BUFFERS
12
REF
SELECT
AGND
0.5V
VREF
SENSE
AD9235
FEATURES
Single 3 V Supply Operation (2.7 V to 3.6 V)
SNR = 70 dBc to Nyquist at 65 MSPS
SFDR = 85 dBc to Nyquist at 65 MSPS
Low Power: 300 mW at 65 MSPS
Differential Input with 500 MHz Bandwidth
On-Chip Reference and SHA
DNL = 0.4 LSB
Flexible Analog Input: 1 V p-p to 2 V p-p Range
Offset Binary or Twos Complement Data Format
Clock Duty Cycle Stabilizer
APPLICATIONS
Ultrasound Equipment
IF Sampling in Communications Receivers:
IS-95, CDMA-One, IMT-2000
Battery-Powered Instruments
Hand-Held Scopemeters
Low Cost Digital Oscilloscopes
PRODUCT DESCRIPTION
The AD9235 is a family of monolithic, single 3 V supply, 12-bit,
20/40/65 MSPS analog-to-digital converters. This family
features a high performance sample-and-hold amplifier (SHA)
and voltage reference. The AD9235 uses a multistage differential
pipelined architecture with output error correction logic to provide
12-bit accuracy at 20/40/65 MSPS data rates and guarantee
no missing codes over the full operating temperature range.
The wide bandwidth, truly differential SHA allows a variety of
user-selectable input ranges and offsets including single-ended
applications. It is suitable for multiplexed systems that switch
full-scale voltage levels in successive channels and for sampling
single-channel inputs at frequencies well beyond the Nyquist rate.
Combined with power and cost savings over previously available
analog-to-digital converters, the AD9235 is suitable for applica-
tions in communications, imaging, and medical ultrasound.
A single-ended clock input is used to control all internal conversion
cycles. A duty cycle stabilizer (DCS) compensates for wide
variations in the clock duty cycle while maintaining excellent
overall ADC performance. The digital output data is presented
in straight binary or twos complement formats. An out-of-range
(OTR) signal indicates an overflow condition that can be used
with the most significant bit to determine low or high overflow.
Fabricated on an advanced CMOS process, the AD9235 is available
in a 28-lead thin shrink small outline package (TSSOP) and a
32-lead chip scale package (LFCSP) and is specified over the
industrial temperature range (–40
°
C to +85
°
C).
PRODUCT HIGHLIGHTS
1. The AD9235 operates from a single 3 V power supply and
features a separate digital output driver supply to accommodate
2.5 V and 3.3 V logic families.
2. Operating at 65 MSPS, the AD9235 consumes a low 300 mW.
3. The patented SHA input maintains excellent performance
for input frequencies up to 100 MHz and can be configured
for single-ended or differential operation.
4. The AD9235 pinout is similar to the AD9214-65, a 10-bit,
65 MSPS ADC. This allows a simplified upgrade path from
10 bits to 12 bits for 65 MSPS systems.
5. The clock DCS maintains overall ADC performance over a
wide range of clock pulsewidths.
6. The OTR output bit indicates when the signal is beyond the
selected input range.
12-Bit, 20/40/65 MSPS
3 V A/D Converter
相關(guān)PDF資料
PDF描述
AD9235BCP-65 12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9235BRU-20 12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9235BRU-40 12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9235BRU-65 12-Bit, 20/40/65 MSPS 3 V A/D Converter
AD9236BCP-80EB 12-Bit, 80 MSPS, 3V A/D Converter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9235BCP-40EB 制造商:Analog Devices 功能描述:EVAL BD FOR 12-BIT, 20/40/65 MSPS ,3V A/D CNVRTR - Bulk
AD9235BCP-40EBZ 制造商:Analog Devices 功能描述:Evaluation Board For 12-Bit, 20/40/65 MSPS ,3 V A/D Converter 制造商:Analog Devices 功能描述:EVAL BD FOR 12-BIT, 20/40/65 MSPS ,3V A/D CNVRTR - Bulk
AD9235BCP-65 制造商:Analog Devices 功能描述:ADC Single Pipelined 65Msps 12-bit Parallel 32-Pin LFCSP EP 制造商:Analog Devices 功能描述:ADC SGL PIPELINED 65MSPS 12-BIT PARALLEL 32LFCSP EP - Bulk 制造商:Rochester Electronics LLC 功能描述:12-BIT 3V 20/40/65 MSPS ADC - Bulk
AD9235BCP-65EB 制造商:Analog Devices 功能描述:Evaluation Board For 12-Bit, 20/40/65 MSPS ,3 V A/D Converter 制造商:Analog Devices 功能描述:EVAL BD FOR 12-BIT, 20/40/65 MSPS ,3V A/D CNVRTR - Bulk
AD9235BCP-65EBZ 制造商:Analog Devices 功能描述:Evaluation Board For 12-Bit, 20/40/65 MSPS ,3 V A/D Converter 制造商:Analog Devices 功能描述:EVAL BD FOR 12-BIT, 20/40/65 MSPS ,3V A/D CNVRTR - Bulk
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