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參數資料
| 型號： | MAX12527 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual, 65Msps, 12-Bit, IF/Baseband ADC |
| 中文描述： | 雙路、65Msps、12位、IF/基帶ADC |
| 文件頁數： | 1/28頁 |
| 文件大小： | 649K |
| 代理商： | MAX12527 |
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General Description
The MAX12527 is a dual 3.3V, 12-bit analog-to-digital
converter (ADC) featuring fully differential wideband
track-and-hold (T/H) inputs, driving internal quantizers.
The MAX12527 is optimized for low power, small size,
and high dynamic performance in intermediate frequen-
cy (IF) and baseband sampling applications. This dual
ADC operates from a single 3.3V supply, consuming
only 620mW while delivering a typical 69.8dB signal-to-
noise ratio (SNR) performance at a 175MHz input fre-
quency. The T/H input stages accept single-ended or
differential inputs up to 400MHz. In addition to low oper-
ating power, the MAX12527 features a 166μW power-
down mode to conserve power during idle periods.
A flexible reference structure allows the MAX12527 to
use the internal 2.048V bandgap reference or accept
an externally applied reference and allows the refer-
ence to be shared between the two ADCs. The refer-
ence structure allows the full-scale analog input range
to be adjusted from ±0.35V to ±1.15V. The MAX12527
provides a common-mode reference to simplify design
and reduce external component count in differential
analog input circuits.
The MAX12527 supports either a single-ended or differ-
ential input clock. User-selectable divide-by-two (DIV2)
and divide-by-four (DIV4) modes allow for design flexibil-
ity and help eliminate the negative effects of clock jitter.
Wide variations in the clock duty cycle are compensated
with the ADC’s internal duty-cycle equalizer (DCE).
The MAX12527 features two parallel, 12-bit-wide,
CMOS-compatible outputs. The digital output format is
pin-selectable to be either two’s complement or Gray
code. A separate power-supply input for the digital out-
puts accepts a 1.7V to 3.6V voltage for flexible interfac-
ing with various logic levels. The MAX12527 is available
in a 10mm x 10mm x 0.8mm, 68-pin thin QFN package
with exposed paddle (EP), and is specified for the
extended (-40
°
C to +85
°
C) temperature range.
For a 14-bit, pin-compatible version of this ADC, refer to
the MAX12557 data sheet.
Applications
IF and Baseband Communication Receivers
Cellular, LMDS, Point-to-Point Microwave,
MMDS, HFC, WLAN
I/Q Receivers
Ultrasound and Medical Imaging
Portable Instrumentation
Digital Set-Top Boxes
Low-Power Data Acquisition
Features
Direct IF Sampling Up to 400MHz
Excellent Dynamic Performance
70.4dB/69.8dB SNR at f
IN
= 70MHz/175MHz
84.4dBc/80.2dBc SFDR at f
IN
= 70MHz/175MHz
3.3V Low Power Operation
647mW (Differential Clock Mode)
620mW (Single-Ended Clock Mode)
Fully Differential or Single-Ended Analog Input
Adjustable Differential Analog Input Voltage
750MHz Input Bandwidth
Adjustable, Internal or External, Shared Reference
Differential or Single-Ended Clock
Accepts 25% to 75% Clock Duty Cycle
User-Selectable DIV2 and DIV4 Clock Modes
Power-Down Mode
CMOS Outputs in Two’s Complement or Gray
Code
Out-of-Range and Data-Valid Indicators
Small, 68-Pin Thin QFN Package
14-Bit Compatible Version Available (MAX12557)
Evaluation Kit Available (Order MAX125
2
7 EV Kit)
M
Dual, 65Msps, 12-Bit, IF/Baseband ADC
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
19-3543; Rev 0; 2/05
EVALUATION KIT
AVAILABLE
PART
TEMP RANGE
PIN-PACKAGE
68 Thin QFN-EP*
(10mm x 10mm x 0.8mm)
MAX12527ETK
-40
°
C to +85
°
C
Pin Configuration appears at end of data sheet.
*
EP = Exposed paddle.
PART
SAMPLING RATE
(Msps)
RESOLUTION
(Bits)
MAX12557
MAX12527
65
65
14
12
Selector Guide
相關PDF資料 |
PDF描述 |
|---|---|
| MAX12527ETK | Dual, 65Msps, 12-Bit, IF/Baseband ADC |
| MAX12557 | Dual, 65Msps, 14-Bit, IF/Baseband ADC |
| MAX12557ETK | Dual, 65Msps, 14-Bit, IF/Baseband ADC |
| MAX1266ACEI | 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface |
| MAX1266 | 420ksps. +5V. 6-/2-Channel. 12-Bit ADCs with +2.5V Reference and Parallel Interface |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX12527ETK | 制造商:Maxim Integrated Products 功能描述:ADC DUAL PIPELINED 65MSPS 12-BIT PARALLEL 68TQFN - Rail/Tube |
| MAX12527ETK+ | 制造商:Maxim Integrated Products 功能描述:ADC DUAL PIPELINED 65MSPS 12-BIT PARALLEL 68TQFN - Rail/Tube |
| MAX12527ETK+D | 制造商:Maxim Integrated Products 功能描述:ADC DUAL PIPELINED 65MSPS 12-BIT PARALLEL 68TQFN - Rail/Tube |
| MAX12527ETK+T | 制造商:Maxim Integrated Products 功能描述:ADC DUAL PIPELINED 65MSPS 12-BIT PARALLEL 68TQFN - Tape and Reel |
| MAX12527ETK+TD | 制造商:Maxim Integrated Products 功能描述:ADC DUAL PIPELINED 65MSPS 12-BIT PARALLEL 68TQFN - Tape and Reel |
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