MAX1182 Maxim Integrated Products, MAX1182 Datasheet
MAX1182
Manufacturer Part Number
MAX1182
Description
Low-Power ADC
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1182.pdf
(21 pages)
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The MAX1182 is a 3V, dual 10-bit analog-to-digital con-
verter (ADC) featuring fully-differential wideband track-
and-hold (T/H) inputs, driving two pipelined, 9-stage
ADCs. The MAX1182 is optimized for low-power, high-
dynamic performance applications in imaging, instru-
mentation and digital communication applications. This
ADC operates from a single 2.7V to 3.6V supply, con-
suming only 195mW while delivering a typical signal-to-
noise ratio (SNR) of 59dB at an input frequency of
20MHz and a sampling rate of 65Msps. The T/H driven
input stages incorporate 400MHz (-3dB) input amplifiers.
The converters may also be operated with single-ended
inputs. In addition to low operating power, the MAX1182
features a 2.8mA sleep mode as well as a 1µA power-
down mode to conserve power during idle periods.
An internal 2.048V precision bandgap reference sets
the full-scale range of the ADC. A flexible reference
structure allows the use of the internal or an externally
derived reference, if desired for applications requiring
increased accuracy or a different input voltage range.
The MAX1182 features parallel, CMOS-compatible
three-state outputs. The digital output format is set to
two’s complement or straight offset binary through a
single control pin. The device provides for a separate
output power supply of 1.7V to 3.6V for flexible interfac-
ing. The MAX1182 is available in a 7mm x 7mm, 48-pin
TQFP package, and is specified for the extended
industrial (-40°C to +85°C) temperature range.
Pin-compatible higher and lower speed versions of the
MAX1182 are also available. Please refer to the
MAX1180 datasheet for 105Msps, the MAX1181
datasheet for 80Msps, the MAX1183 datasheet for
40Msps, and the MAX1184 datasheet for 20Msps. In
addition to these speed grades, this family includes a
20Msps multiplexed output version (MAX1185), for
which digital data is presented time-interleaved on a
single, parallel 10-bit output port.
19-2094; Rev 1; 4/06
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.
Dual 10-Bit, 65Msps, 3V, Low-Power ADC with
High Resolution Imaging
I/Q Channel Digitization
Multchannel IF Undersampling
Instrumentation
Video Application
________________________________________________________________ Maxim Integrated Products
Internal Reference and Parallel Outputs
General Description
Applications
o Single 3V Operation
o Excellent Dynamic Performance:
o Low Power:
o 0.02dB Gain and 0.25° Phase Matching (typ)
o Wide ±1V
o 400MHz -3dB Input Bandwidth
o On-Chip 2.048V Precision Bandgap Reference
o User-Selectable Output Format—Two’s
o 48-Pin TQFP Package with Exposed Pad for
o Evaluation Kit Available
+Denotes lead-free package.
*EP = Exposed paddle.
Pin-Compatible Versions table at end of data sheet.
MAX1182ECM
M AX 1182E C M +
Range
Complement or Offset Binary
Improved Thermal Dissipation
65mA (Normal Operation)
2.8mA (Sleep Mode)
1µA (Shutdown Mode)
59dB SNR at f
77dB SFDR at f
PART
COM
INA+
INB+
GND
INA-
GND
INB-
GND
NOTE: THE PIN 1 INDICATOR FOR LEAD-FREE
CLK
V
V
V
DD
DD
DD
PACKAGES IS REPLACED BY A "+" SIGN.
P-P
10
11
12
1
2
3
4
5
6
7
8
9
Differential Analog Input Voltage
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
EP
IN
IN
Ordering Information
= 20MHz
= 20MHz
48 TQFP-EP
MAX1182
Pin Configuration
PIN-
PACKAGE
48 TQFP-EP*
48 TQFP-EP*
Features
36
35
34
33
32
31
30
29
28
27
26
25
D1A
D0A
OGND
OV
OV
OGND
D0B
D1B
D2B
D3B
D4B
D5B
C48E-7
C48E-7
CODE
DD
DD
PKG
1
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