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General Description
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 1A 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.
Applications
High Resolution Imaging
I/Q Channel Digitization
Multchannel IF Undersampling
Instrumentation
Video Application
Features
Single 3V Operation
Excellent Dynamic Performance:
59dB SNR at fIN = 20MHz
77dB SFDR at fIN = 20MHz
Low Power:
65mA (Normal Operation)
2.8mA (Sleep Mode)
1A (Shutdown Mode)
0.02dB Gain and 0.25° Phase Matching (typ)
Wide ±1VP-P Differential Analog Input Voltage
Range
400MHz -3dB Input Bandwidth
On-Chip 2.048V Precision Bandgap Reference
User-Selectable Output Format—Two’s
Complement or Offset Binary
48-Pin TQFP Package with Exposed Pad for
Improved Thermal Dissipation
Evaluation Kit Available
MAX1182
Dual 10-Bit, 65Msps, 3V, Low-Power ADC
with Internal Reference and Parallel Outputs
________________________________________________________________ Maxim Integrated Products
1
D1A
D0A
OGND
OVDD
OGND
D0B
D1B
D2B
D3B
D4B
D5B
COM
VDD
GND
INA+
INA-
VDD
GND
INB-
INB+
GND
VDD
CLK
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
48 TQFP-EP
MAX1182
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
REFN
REFP
REFIN
REFOUT
D9A
D8A
D7A
D6A
D5A
D4A
D3A
D2A
EP
NOTE: THE PIN 1 INDICATOR FOR LEAD-FREE
PACKAGES IS REPLACED BY A "+" SIGN.
GND
V
DD
V
DD
GND
T/B
SLEEP
PD
OE
D9B
D8B
D7B
D6B
Pin Configuration
19-2094; Rev 1; 4/06
EVALUATION
KIT
AVAILABLE
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
MAX1182ECM
-40
°C to +85°C
48 TQFP-EP*
C48E-7
MAX1182ECM+
-40
°C to +85°C
48 TQFP-EP*
C48E-7
+Denotes lead-free package.
*EP = Exposed paddle.
Pin-Compatible Versions table at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.