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MAX1198ECM

Description
Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC with Internal Reference and Parallel Outputs
CategoryAnalog mixed-signal IC    converter   
File Size466KB,22 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric View All

MAX1198ECM Overview

Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC with Internal Reference and Parallel Outputs

MAX1198ECM Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeQFP
package instruction7 X 7 MM, 1 MM HEIGHT, MO-136AE, TQFP-48
Contacts48
Reach Compliance Code_compli
ECCN codeEAR99
Maximum analog input voltage1 V
Minimum analog input voltage-1 V
Converter typeADC, FLASH METHOD
JESD-30 codeS-PQFP-G48
JESD-609 codee0
length7 mm
Maximum linear error (EL)0.3906%
Humidity sensitivity level3
Number of analog input channels2
Number of digits8
Number of functions1
Number of terminals48
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit codeOFFSET BINARY, 2\'S COMPLEMENT BINARY
Output formatPARALLEL, 8 BITS
Package body materialPLASTIC/EPOXY
encapsulated codeTFQFP
Encapsulate equivalent codeTQFP48,.35SQ
Package shapeSQUARE
Package formFLATPACK, THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)240
power supply3.3 V
Certification statusNot Qualified
Sampling rate100 MHz
Sample and hold/Track and holdTRACK
Maximum seat height1.2 mm
Nominal supply voltage3.3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formGULL WING
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperature20
width7 mm
19-2412; Rev 0; 4/02
Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC
with Internal Reference and Parallel Outputs
General Description
The MAX1198 is a 3.3V, dual, 8-bit analog-to-digital con-
verter (ADC) featuring fully differential wideband track-
and-hold (T/H) inputs, driving two ADCs. The MAX1198
is optimized for low power, small size, and high-dynamic
performance for applications in imaging, instrumenta-
tion, and digital communications. This ADC operates
from a single 2.7V to 3.6V supply, consuming only
264mW, while delivering a typical signal-to-noise and
distortion (SINAD) of 48.1dB at an input frequency of
50MHz and a sampling rate of 100Msps. The T/H-driven
input stages incorporate 400MHz (-3dB) input ampli-
fiers. The converters may also be operated with single-
ended inputs. In addition to low operating power, the
MAX1198 features a 3.2mA sleep mode, as well as a
0.15µA 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 this internal or an externally
applied reference, if desired, for applications requiring
increased accuracy or a different input voltage range.
The MAX1198 features parallel, CMOS-compatible three-
state outputs. The digital output format can be set to two’s
complement or straight offset binary through a single con-
trol pin. The device provides for a separate output power
supply of 1.7V to 3.6V for flexible interfacing with various
logic families. The MAX1198 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 lower speed versions of the MAX1198
are also available. Refer to the MAX1195 data sheet for
40Msps and the MAX1197 data sheet for 60Msps. In
addition to these speed grades, this family includes a
multiplexed output version (MAX1196, 40Msps), for
which digital data is presented time interleaved and on
a single, parallel 8-bit output port.
For a 10-bit, pin-compatible upgrade, refer to the
MAX1180 data sheet. With the N.C. pins of the
MAX1198 internally pulled down to ground, this ADC
becomes a drop-in replacement for the MAX1180.
o
Single 2.7V to 3.6V Operation
o
Excellent Dynamic Performance
48.1dB/47.6dB SINAD at f
IN
= 50MHz/200MHz
66dBc/61.5dBc SFDR at f
IN
= 50MHz/200MHz
o
-72dB Interchannel Crosstalk at f
IN
= 50MHz
o
Low Power
264mW (Normal Operation)
10.6mW (Sleep Mode)
0.5µW (Shutdown Mode)
o
0.05dB Gain and ±0.1° Phase Matching
o
Wide
±1V
P-P
Differential Analog Input Voltage
Range
o
400MHz -3dB Input Bandwidth
o
On-Chip 2.048V Precision Bandgap Reference
o
User-Selectable Output Format—Two’s
Complement or Offset Binary
o
Pin-Compatible 8-Bit and 10-Bit Upgrades
Available
Features
MAX1198
Ordering Information
PART
MAX1198ECM
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
48 TQFP-EP*
*EP
= Exposed paddle
Functional Diagram and Pin Compatible Upgrades table
appear at end of data sheet.
Pin Configuration
REFN
REFP
REFIN
REFOUT
D7A
D6A
D5A
D4A
D3A
D2A
D1A
D0A
48
47
46
45
44
43
42
41
40
39
38
Applications
Baseband I/Q Sampling
Multichannel IF Sampling
Ultrasound and Medical
Imaging
Battery-Powered
Instrumentation
WLAN, WWAN, WLL,
MMDS Modems
Set-Top Boxes
VSAT Terminals
COM
V
DD
GND
INA+
INA-
V
DD
GND
INB-
INB+
GND
V
DD
CLK
37
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
36
35
34
33
32
31
N.C.
N.C.
OGND
OV
DD
OV
DD
OGND
N.C.
N.C.
D0B
D1B
D2B
D3B
MAX1198
30
29
28
27
26
25
________________________________________________________________
Maxim Integrated Products
V
DD
V
DD
GND
T/B
SLEEP
PD
OE
D7B
D6B
D5B
D4B
GND
TQFP-EP
1
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.
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