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MAX1183ECM+D

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
General Description
The MAX1183 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, nine-stage
ADCs. The MAX1183 is optimized for low-power, high
dynamic performance applications in imaging, instrumen-
tation, and digital communication applications. This ADC
operates from a single 2.7V to 3.6V supply, consuming
only 120mW while delivering a typical signal-to-noise ratio
(SNR) of 59.6dB at an input frequency of 20MHz and a
sampling rate of 40Msps. The T/H driven input stages
incorporate 400MHz (-3dB) input amplifiers. The convert-
ers may also be operated with single-ended inputs. In
addition to low operating power, the MAX1183 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 this internal or an externally
derived reference, if desired for applications requiring
increased accuracy or a different input voltage range.
The MAX1183 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 control pin. The device provides for a separate
output power supply of 1.7V to 3.6V for flexible interfac-
ing. The MAX1183 is available in a 7mm
✕
7mm, 48-pin
TQFP package, and is specified for the extended
industrial (-40°C to +85°C) temperature range.
Pin-compatible lower and higher speed versions of the
MAX1183 are also available. See Table 2 at end of data
sheet for a list of pin-compatible versions. Refer to the
MAX1180 data sheet for 105Msps, the MAX1181 data
sheet for 80Msps, the MAX1182 data sheet for 65Msps,
and the MAX1184 data sheet for 20Msps. In addition to
these speed grades, this family includes a multiplexed
output version, for which digital data is presented time-
interleaved and on a single, parallel 10-bit output port.
Applications
High-Resolution Imaging
I/Q Channel Digitization
Multichannel IF Sampling
Instrumentation
Video Application
Ultrasound
Features
♦ Single 3V Operation
♦ Excellent Dynamic Performance:
59.6dB SNR at f
IN
= 20MHz
73dB SFDR at f
IN
= 20MHz
♦ Low Power:
40mA (Normal Operation)
2.8mA (Sleep Mode)
1µA (Shutdown Mode)
♦ 0.02dB Gain and 0.25° Phase Matching
♦ Wide ±1V
P-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 Paddle for
Improved Thermal Dissipation
MAX1183
Dual 10-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
________________________________________________________________ Maxim Integrated Products 1
D1A
D0A
OGND
OV
DD
OV
DD
OGND
D0B
D1B
D2B
D3B
D4B
D5B
COM
V
DD
GND
INA+
INA-
V
DD
GND
INB-
INB+
GND
V
DD
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
MAX1183
GND
V
DD
GND
V
DD
T/B
SLEEP
PD
OE
D9B
D8B
D7B
D6B
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
Pin Configuration
Ordering Information
19-2173; Rev 1; 7/06
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.
Functional Diagram appears at end of data sheet.
PART TEMP RANGE PIN-PACKAGE
MAX1183ECM -40°C to +85°C 48 TQFP-EP*
MAX1183ECM+ -40°C to +85°C 48 TQFP-EP*
*EP = Exposed paddle.
+Denotes lead-free package.
NOTE: THE PIN 1 INDICATOR FOR LEAD-FREE PACKAGE IS REPLACED BY A “+” SIGN.
MAX1183
Dual 10-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
DD
= 3V, OV
DD
= 2.5V, 0.1µF and 1.0µF capacitors from REFP, REFN, and COM to GND, REFOUT connected to REFIN through a
10kΩ resistor, V
IN
= 2V
P-P
(differential with respect to COM), C
L
= 10pF at digital outputs (Note 1), f
CLK
= 40MHz, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
V
DD
, OV
DD
to GND .............................................. -0.3V to +3.6V
OGND to GND.......................................................-0.3V to +0.3V
INA+, INA-, INB+, INB- to GND ...............................-0.3V to V
DD
REFIN, REFOUT, REFP, REFN,
COM, CLK to GND .................................-0.3V to (V
DD
+ 0.3V)
OE, PD, SLEEP, T/B
D9A–D0A, D9B–D0B to OGND ...........-0.3V to (OV
DD
+ 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
48-Pin TQFP-EP
(derate 30.4mW/°C above +70°C)..........................2430mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DC ACCURACY
Resolution 10 Bits
Integral Nonlinearity INL f
IN
= 7.51MHz ±0.5 ±1.7 LSB
Differential Nonlinearity DNL f
IN
= 7.51MHz, no missing codes guaranteed ±0.25 ±1.0 LSB
Offset Error <±1 ±1.8 % FS
Gain Error 0±2% FS
ANALOG INPUT
Differential Input Voltage Range V
DIFF
Differential or single-ended inputs ±1.0 V
Common-Mode Input Voltage
Range
V
CM
V
DD
/2
±0.5
V
Input Resistance R
IN
Switched capacitor load 50 kΩ
Input Capacitance C
IN
5pF
CONVERSION RATE
Maximum Clock Frequency f
CLK
40 MHz
Data Latency 5
Clock
Cycles
DYNAMIC CHARACTERISTICS
f
INA or B
= 7.51MHz, T
A
= +25°C 57.3 59.6
Signal-to-Noise Ratio
(Note 3)
SNR
f
INA or B
= 20MHz, T
A
= +25°C 56.8 59.6
dB
f
INA or B
= 7.51MHz, T
A
= +25°C 57 59.4
Signal-to-Noise and Distortion
(Note 3)
SINAD
f
INA or B
= 20MHz, T
A
= +25°C 56.5 59
dB
f
INA or B
= 7.51MHz, T
A
= +25°C 65 76
Spurious-Free Dynamic Range
(Note 3)
SFDR
f
INA or B
= 20MHz, T
A
= +25°C 65 73
dBc
f
INA or B
= 7.51MHz, T
A
= +25°C -73 -64
Total Harmonic Distortion
(First 4 harmonics) (Note 3)
THD
f
INA or B
= 20MHz, T
A
= +25°C -73 -63
dBc
f
INA or B
= 7.51MHz -76
Third-Harmonic Distortion
(Note 3)
HD3
f
INA or B
= 20MHz -73
dB
Intermodulation Distortion IMD
f
INA or B
= 11.6066MHz at -6.5dBFS,
f
INA or B
= 13.3839MHz at -6.5dBFS
(Note 4)
-78 dBc
MAX1183
Dual 10-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 3V, OV
DD
= 2.5V, 0.1µF and 1.0µF capacitors from REFP, REFN, and COM to GND, REFOUT connected to REFIN through a
10kΩ resistor, V
IN
= 2V
P-P
(differential with respect to COM), C
L
= 10pF at digital outputs (Note 1), f
CLK
= 40MHz, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Small-Signal Bandwidth Input at -20dBFS, differential inputs 500 MHz
Full-Power Bandwidth FPBW Input at -0.5dBFS, differential inputs 400 MHz
Aperture Delay t
AD
1ns
Aperture Jitter t
AJ
2ps
RMS
Overdrive Recovery Time For 1.5 x full-scale input 2 ns
Differential Gain ±1 %
Differential Phase ±0.25 Degrees
Output Noise INA+ = INA- = INB+ = INB- = COM 0.2 LSB
RMS
INTERNAL REFERENCE
Reference Output Voltage REFOUT
2.048
±3%
V
Reference Temperature
Coefficient
TC
REF
60
ppm/
°C
Load Regulation 1.25 mV/mA
BUFFERED EXTERNAL REFERENCE (V
REFIN
= 2.048V)
REFIN Input Voltage V
REFIN
2.048 V
Positive Reference Output
Voltage
V
REFP
2.012 V
Negative Reference Output
Voltage
V
REFN
0.988 V
Differential Reference Output
Voltage Range
∆V
REF
∆V
REF
= V
REFP
- V
REFN
0.95 1.024 1.10 V
REFIN Resistance R
REFIN
>50 MΩ
Maximum REFP, COM
Source Current
I
SOURCE
5mA
Maximum REFP, COM
Sink Current
I
SINK
-250 µA
Maximum REFN Source Current I
SOURCE
250 µA
Maximum REFN Sink Current I
SINK
-5 mA
UNBUFFERED EXTERNAL REFERENCE (V
REFIN
= AGND, reference voltage applied to REFP, REFN, and COM)
REFP, REFN Input Resistance
R
REFP
,
R
REFN
Measured between REFP and COM and
REFN and COM
4kΩ
Differential Reference Input
Voltage Range
∆V
REF
∆V
REF
= V
REFP
- V
REFN
1.024
±10%
V
COM Input Voltage Range V
COM
V
DD
/2
±10%
V
REFP Input Voltage V
REFP
V
COM
+
∆V
REF
/2
V
REFN Input Voltage V
REFN
V
COM
-
∆V
REF
/2
V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

MAX1183ECM+D

Mfr. #:
Buy MAX1183ECM+D
Manufacturer:
Maxim Integrated
Description:
Analog to Digital Converters - ADC 10-Bit 2Ch 40Msps High Speed ADC
Lifecycle:
New from this manufacturer.
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