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PDF MAX1207 Data sheet ( Hoja de datos )
| Número de pieza | MAX1207 | |
| Descripción | 40Msps / 12-Bit ADC | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX1207 (archivo pdf) en la parte inferior de esta página. Total 29 Páginas | ||
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19-3259; Rev 0; 5/04
EVAALVUAAILTAIOBNLEKIT
40Msps, 12-Bit ADC
General Description
The MAX1206 is a 3.3V, 12-bit analog-to-digital converter
(ADC) featuring a fully differential wideband track-and-
hold (T/H) input, driving the internal quantizer. The
MAX1206 is optimized for low power, small size, and
high dynamic performance. This ADC operates from a
single 3.0V to 3.6V supply, consuming only 159mW,
while delivering a typical signal-to-noise ratio (SNR) per-
formance of 68.6dB at a 20MHz input frequency. The
T/H-driven input stage accepts single-ended or differen-
tial inputs. In addition to low operating power, the
MAX1206 features a 0.15mW power-down mode to con-
serve power during idle periods.
A flexible reference structure allows the MAX1206 to
use its internal precision bandgap reference or accept
an externally applied reference. A common-mode refer-
ence is provided to simplify design and reduce external
component count in differential analog input circuits.
The MAX1206 supports both a single-ended and differ-
ential input clock drive. Wide variations in the clock
duty cycle are compensated with the ADC’s internal
duty-cycle equalizer.
The MAX1206 features parallel, CMOS-compatible out-
puts. The digital output format is pin selectable to be
either two’s complement or Gray code. A data-valid indi-
cator eliminates external components that are normally
required for reliable digital interfacing. A separate power
input for the digital outputs accepts a voltage from 1.7V
to 3.6V for flexible interfacing with various logic levels.
The MAX1206 is available in a 6mm x 6mm x 0.8mm, 40-
pin thin QFN package with exposed paddle (EP), and is
specified for the extended industrial (-40°C to +85°C)
temperature range.
Refer to the MAX1209 and MAX1211 (see Pin-Compatible
Higher/Speed Versions table) for applications that require
high dynamic performance for IF input frequencies.
Applications
Communication Receivers
Cellular, LMDS, Point-to-Point Microwave,
MMDS, HFC, WLAN
Ultrasound and Medical Imaging
Portable Instrumentation
Low-Power Data Acquisition
Features
o Excellent Dynamic Performance
68.6dB SNR at fIN = 20MHz
90dBc SFDR at fIN = 20MHz
o Low-Power Operation
159mW at 3.0V (Single-Ended Clock)
181mW at 3.3V (Single-Ended Clock)
198mW at 3.3V (Differential Clock)
o Differential or Single-Ended Clock
o Accepts 20% to 80% Clock Duty Cycle
o Fully Differential or Single-Ended Analog Input
o Adjustable Full-Scale Analog Input Range
o Common-Mode Reference
o Power-Down Mode
o CMOS-Compatible Outputs in Two’s Complement
or Gray Code
o Data-Valid Indicator Simplifies Digital Design
o Out-of-Range and Data-Valid Indicators
o Miniature, 40-Pin Thin QFN Package with Exposed
Paddle
o Pin-Compatible, IF Sampling ADC Available
(MAX1211ETL)
o Evaluation Kit Available (Order MAX1211EVKIT)
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX1206ETL -40°C to +85°C 40 Thin QFN (6mm x 6mm)
PART
MAX1206
MAX1207
MAX1208
MAX1211
MAX1209
Pin-Compatible Higher
Speed Versions
SPEED GRADE
(Msps)
40
65
80
65
80
TARGET
APPLICATION
Baseband
Baseband
Baseband
IF
IF
Pin Configuration appears at end of data sheet.
________________________________________________________________ Maxim Integrated Products 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.
1 page  
40Msps, 12-Bit ADC
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 3.3V, OVDD = 2.0V, GND = 0, REFIN = REFOUT (internal reference), CREFOUT = 0.1µF, CL ≈ 5pF at digital outputs, VIN =
-0.5dBFS, CLKTYP = high, DCE = high, PD = low, G/T = low, fCLK = 40MHz (50% duty cycle), CREFP = CREFN = 0.1µF to GND, 1µF
in parallel with 10µF between REFP and REFN, CCOM = 0.1µF in parallel with 2.2µF to GND, TA = -40°C to +85°C, unless otherwise
noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DIGITAL OUTPUTS (D0–D11, DAV, DOR)
Output-Voltage Low
VOL
D0–D11, DOR, ISINK = 200µA
DAV, ISINK = 600µA
0.2
V
0.2
Output-Voltage High
VOH
D0–D11, DOR, ISOURCE = 200µA
DAV, ISOURCE = 600µA
OVDD
- 0.2
OVDD
- 0.2
V
Tri-State Leakage Current
ILEAK (Note 4)
±5 µA
D11–D0, DOR Tri-State Output
Capacitance
COUT (Note 4)
3 pF
DAV Tri-State Output
Capacitance
POWER REQUIREMENTS
Analog Supply Voltage
Digital Output Supply Voltage
CDAV (Note 4)
VDD
OVDD
6 pF
3.0 3.3 3.6
V
1.7
2.0
VDD
+ 0.3V
V
Normal operating mode,
fIN = 20MHz at -0.5dBFS,
CLKTYP = GND, single-ended clock
54.7
Analog Supply Current
IVDD
Normal operating mode,
fIN = 20MHz at -0.5dBFS,
CLKTYP = OVDD, differential clock
Power-down mode; clock idle,
PD = OVDD
Normal operating mode,
fIN = 20MHz at -0.5dBFS,
CLKTYP = GND, single-ended clock
60.1 66
mA
0.045
181
Analog Power Dissipation
PDISS
Normal operating mode,
fIN = 20MHz at -0.5dBFS,
CLKTYP = OVDD, differential clock
Power-down mode, clock idle,
PD = OVDD
mW
198 218
0.15
_______________________________________________________________________________________ 5
5 Page 
40Msps, 12-Bit ADC
Typical Operating Characteristics (continued)
(VDD = 3.3V, OVDD = 2.0V, GND = 0, REFIN = REFOUT (internal reference), CREFOUT = 0.1µF, CL ≈ 5pF at digital outputs, VIN = -0.5dBFS
differential input, DCE = high, CLKTYP = high, PD = low, G/T = low, fCLK = 40MHz (50% duty cycle), CREFP = CREFN = 0.1µF to GND, 1µF
in parallel with 10µF between REFP and REFN, CCOM = 0.1µF in parallel with 2.2µF to GND, TA = +25°C, unless otherwise noted.)
SIGNAL-TO-NOISE RATIO
vs. ANALOG INPUT POWER
75
fIN = 19.900286MHz
70
65
60
55
50
45
40
35
-30
-25 -20 -15 -10 -5
ANALOG INPUT POWER (dBFS)
0
SIGNAL-TO-NOISE + DISTORTION
vs. ANALOG INPUT POWER
75
fIN = 19.900286MHz
70
65
60
55
50
45
40
35
-30
-25 -20 -15 -10 -5
ANALOG INPUT POWER (dBFS)
0
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT POWER
-55
fIN = 19.900286MHz
-60
-65
-70
-75
-80
-85
-90
-95
-30
-25 -20 -15 -10 -5
ANALOG INPUT POWER (dBFS)
0
SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT POWER
95
fIN = 19.900286MHz
90
85
80
75
70
65
60
55
-30
-25 -20 -15 -10 -5
ANALOG INPUT POWER (dBFS)
0
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet MAX1207.PDF ] | |
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