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參數(shù)資料
| 型號(hào)： | MAX1425CAI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | 10-Bit, 20Msps ADC |
| 中文描述： | 2-CH 10-BIT FLASH METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封裝： | 5.30 MM, 0.65 MM PITCH, SSOP-28 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 212K |
| 代理商： | MAX1425CAI |
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
General Description
The MAX1425 10-bit, monolithic analog-to-digital con-
verter (ADC) is capable of a 20Msps sampling rate. This
device features an internal track-and-hold (T/H) amplifier
for excellent dynamic performance; at the same time, it
minimizes the number of external components. Low
input capacitance of only 8pF minimizes input drive
requirements. A wide input bandwidth (up to 150MHz)
makes this device suitable for digital RF/IF downconvert-
er applications employing undersampling techniques.
The MAX1425 employs a differential pipelined architec-
ture with a wideband T/H amplifier to maximize through-
put while limiting power consumption to only 172mW.
The MAX1425 generates an internal +2.5V reference
that supplies three additional reference voltages
(+3.25V, +2.25V, and +1.25V). These reference volt-
ages provide a differential input range of +2V to -2V.
The analog inputs are biased internally to correct the
DC level, eliminating the need for external biasing on
AC-coupled applications.
A separate +3V digital logic supply input allows for
separation of digital and analog circuitry. The output
data is in two’s complement format. The MAX1425 is
available in the space-saving 28-pin SSOP package.
For a pin-compatible version at a lower data rate, refer
to the MAX1426 data sheet. For a higher data rate, refer
to the MAX1424 data sheet.
Applications
Medical Ultrasound Imaging
CCD Pixel Processing
IR Focal Plane Array
Radar
IF and Baseband Digitization
Set-Top Boxes
Features
o
Differential Inputs for High Common-Mode
Noise Rejection
o
Signal-to-Noise Ratio
61dB (at f
IN
= 2MHz)
59.3dB (at f
IN
= 10MHz)
o
Internal +2.5V Reference
o
150MHz Input Bandwidth
o
Wide ±2V Input Range
o
Low Power Consumption: 172mW
o
Separate Digital Supply Input for 3V Logic
Compatibility
o
Single +5V Supply Operation Possible
M
10-Bit, 20Msps ADC
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Maxim Integrated Products
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
D0
D1
D2
D3
D4
DGND
D9
DV
DD
DGND
DV
DD
D5
D6
D7
D8
OE/PD
CLK
CMLN
CMLP
INN
INP
AV
DD
AGND
CML
REFN
REFIN
REFP
AV
DD
AGND
SSOP
TOP VIEW
MAX1425
CLK
INP
INTERFACE
PIPELINE ADC
REF SYSTEM +
BIAS
OUTPUT
DRIVERS
REF
REFIN REFP
CML REFN
OE/PD
AV
DD
AGND
DV
DD
DGND
D9–D0
INN
T/H
MAX1425
Functional Diagram
19-1597; Rev 0; 1/00
Pin Configuration
Ordering Information
PART
MAX1425CAI
MAX1425EAI
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
28 SSOP
28 SSOP
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1426 | 10-Bit, 10Msps ADC |
| MAX1426CAI | 0.5C Digital Out Temperature Sensor 8-MSOP -40 to 125 |
| MAX1426EAI | 10-Bit, 10Msps ADC |
| MAX1427 | 15-Bit, 65Msps ADC with -78.2dBFS Noise Floor for IF Applications |
| MAX1428 | 15-Bit, 80Msps ADC with -78.4dBFS Noise Floor for IF Applications |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1425EAI | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1425EAI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1425EAI+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC NULL RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1425EAI-T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1425EVKIT | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Evaluation Kit for the MAX1425 MAX1426 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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