MAX1184 Maxim Integrated Products, MAX1184 Datasheet
MAX1184
Manufacturer Part Number
MAX1184
Description
Low-Power ADC
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1184.pdf
(21 pages)
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The MAX1184 is a +3V, dual 10-bit analog-to-digital
converter (ADC) featuring fully-differential wideband
track-and-hold (T/H) inputs, driving two pipelined, 9-
stage ADCs. The MAX1184 is optimized for low-power,
high-dynamic performance applications in imaging,
instrumentation, and digital communication applica-
tions. This ADC operates from a single +2.7V to +3.6V
supply, consuming only 105mW while delivering a typi-
cal signal-to-noise ratio (SNR) of 59.5dB at an input fre-
quency of 7.5MHz and a sampling rate of 20Msps. 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 MAX1184 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 MAX1184 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 inter-
facing. The MAX1184 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 speed versions of the MAX1184
are also available. Please refer to the MAX1180 data
sheet for 105Msps, the MAX1181 data sheet for
80Msps, the MAX1182 data sheet for 65Msps, and the
MAX1183 data sheet for 40Msps. In addition to these
speed grades, this family includes a 20Msps multi-
plexed output version (MAX1185), for which digital data
is presented time-interleaved on a single, parallel 10-bit
output port.
19-2174; Rev 0; 10/01
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, 20Msps, +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 ±1Vp-p Differential Analog Input
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
MAX1184ECM
Voltage Range
Complement or Offset Binary
Improved Thermal Dissipation
COM
INA+
INB+
35mA (Normal Operation)
2.8mA (Sleep Mode)
1µA (Shutdown Mode)
GND
GND
GND
INA-
INB-
CLK
V
V
V
59.5dB SNR at f
74dB SFDR at f
DD
DD
DD
PART
10
11
12
1
2
3
4
5
6
7
8
9
-40°C to +85°C
TEMP. RANGE
IN
Ordering Information
IN
48 TQFP-EP
= 7.5MHz
= 7.5MHz
MAX1184
Pin Configuration
PIN-PACKAGE
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
DD
DD
1
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