MAX1002EVKIT Maxim Integrated Products, MAX1002EVKIT Datasheet

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MAX1002EVKIT

Manufacturer Part Number
MAX1002EVKIT
Description
EVAL KIT FOR MAX1002
Manufacturer
Maxim Integrated Products
Datasheets

Specifications of MAX1002EVKIT

Number Of Adc's
2
Number Of Bits
6
Sampling Rate (per Second)
60M
Data Interface
Parallel
Inputs Per Adc
1 Differential
Input Range
500 mVpp
Power (typ) @ Conditions
380mW @ 60MSPS
Voltage Supply Source
Single Supply
Operating Temperature
0°C ~ 70°C
Utilized Ic / Part
MAX1002
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX1002 is a dual, 6-bit analog-to-digital converter
(ADC) that combines high-speed, low-power operation
with a user-selectable input range, an internal refer-
ence, and a clock oscillator. The dual, parallel ADCs
are designed to convert in-phase (I) and quadrature
(Q) analog signals into two 6-bit offset-binary-coded
digital outputs at sampling rates up to 60Msps while
achieving typical integral nonlinearity (INL) and differ-
ential nonlinearity (DNL) of ±1/4LSB. The ability to
interface directly with baseband I and Q signals makes
the MAX1002 ideal for use in direct-broadcast satellite,
VSAT, and QAM16 demodulation applications.
The MAX1002 input amplifiers feature true differential
inputs, a 55MHz -0.5dB analog bandwidth, and user-
programmable input full-scale ranges of 125mVp-p,
250mVp-p, or 500mVp-p. With an AC-coupled input
signal, matching performance between input channels
is typically 0.1dB gain, 1/4LSB offset, and 0.5° phase.
Dynamic performance is 5.85 effective number of bits
(ENOB) with a 20MHz analog input signal, or 5.78
ENOB with a 50MHz input signal.
The MAX1002 operates with a single +5V power supply
and provides TTL-compatible digital outputs. The device
is available in the commercial temperature range (0°C to
+70°C) and comes in a 36-pin SSOP package.
________________________Applications
19-1270; Rev 0; 7/97
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
For small orders, phone 408-737-7600 ext. 3468.
_________________________________________________________Functional Diagram
_______________General Description
Direct Broadcast Satellite (DBS) Receivers
VSAT Receivers
Wide Local Area Networks (WLAN)
Cable Television Set-Top Boxes
GAIN
QIN+
QIN-
IIN+
IIN-
________________________________________________________________ Maxim Integrated Products
INPUT
INPUT
AMP
AMP
Q
I
QOCC+
IOCC+
Low-Power, 60Msps, Dual, 6-Bit ADC
CORREC-
CORREC-
OFFSET
OFFSET
TION Q
TION I
IOCC-
QOCC-
REFERENCE
BANDGAP
VREF
VREF
Pin Configuration appears at end of data sheet.
____________________________Features
ADC
ADC
Q
I
MAX1002CAX
______________Ordering Information
±1/4LSB INL and DNL, Typical
1/4LSB (typ) Channel-to-Channel Offset Matching
0.1dB Gain and 0.5° Phase Matching, Typical
Internal Bandgap Voltage Reference
Two Matched 6-Bit, 60Msps ADCs
Excellent Dynamic Performance:
Internal Oscillator with Overdrive Capability
with True Differential Inputs
User-Selectable Input Full-Scale Range
(125mVp-p, 250mVp-p, or 500mVp-p)
Single-Ended or Differential Input Drive
+5V Single Supply
TTL Outputs
90Msps Upgrade with +3.3V CMOS-Compatible
Output Available (MAX1003)
55MHz (-0.5dB) Bandwidth Input Amplifiers
5.85 ENOB with 20MHz Analog Input
5.7 ENOB with 50MHz Analog Input
PART
6
6
CLOCK
DRIVER
TEMP. RANGE
0°C to +70°C
BUFFER
BUFFER
DATA
DATA
Q
I
MAX1002
CLOCK
OUT
6
6
PIN-PACKAGE
36 SSOP
D0I–D5I
DCLK
TNK+
TNK-
DQ0–DQ5
1

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MAX1002EVKIT Summary of contents

Page 1

... QIN+ INPUT AMP QIN- Q QOCC+ ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 For small orders, phone 408-737-7600 ext. 3468. ____________________________Features ±1/4LSB INL and DNL, Typical 1/4LSB (typ) Channel-to-Channel Offset Matching 0.1dB Gain and 0.5° Phase Matching, Typical ...

Page 2

Low-Power, 60Msps, Dual, 6-Bit ADC ABSOLUTE MAXIMUM RATINGS V to GND .........................................................-0.3V to +6. OGND.........................................................-0.3V, +6.5V CCO GND to OGND .........................................................-0.3V, +0.3V Digital and Clock Output Pins to OGND ........-0.3V, V All Other Pins to GND..................................................-0.3V, V ...

Page 3

Low-Power, 60Msps, Dual, 6-Bit ADC AC ELECTRICAL CHARACTERISTICS ( +5V ±5 +25°C; unless otherwise noted.) CC, CCO A PARAMETER SYMBOL DYNAMIC PERFORMANCE (GAIN = open; external 60MHz clock (Figure 7); V unless otherwise noted.) Maximum Sample ...

Page 4

Low-Power, 60Msps, Dual, 6-Bit ADC __________________________________________Typical Operating Characteristics ( +5V ±5%; MAX1002/MAX1003 evaluation kit; T CC, CCO EFFECTIVE NUMBER OF BITS vs. ANALOG INPUT FREQUENCY 6.0 5.8 5.6 5.4 5 60Msps CLK 5.0 10 100 ANALOG ...

Page 5

Low-Power, 60Msps, Dual, 6-Bit ADC ______________________________________________________________Pin Description PIN NAME 1 GAIN Gain-Select Input. Sets input full-scale range: 125/250/500mVp-p (Table 1). Positive I-Channel Offset-Correction Compensation. Connect 0.22µF capacitor 2 IOCC+ for AC-coupled inputs (Figures 2, 3). Ground for DC-coupled inputs (Figures ...

Page 6

Low-Power, 60Msps, Dual, 6-Bit ADC Figures 2 and 3 show single-ended and differential AC- coupled input circuits. Each of the amplifier inputs is internally biased to a 2.35V reference through a 20kΩ resistor, eliminating external DC bias circuits. A series ...

Page 7

Low-Power, 60Msps, Dual, 6-Bit ADC Figures 4 and 5 show single-ended and differential DC- coupled input circuits for applications where a DC com- ponent of the input signal is present. The amplifiers’ input common-mode voltage range extends from 1.75V to ...

Page 8

Low-Power, 60Msps, Dual, 6-Bit ADC The MAX1002 features a proprietary encoding scheme that ensures no more than 1LSB dynamic encoding error. Dynamic encoding errors resulting from meta- stable states may occur when the analog input voltage, at the time the ...

Page 9

Low-Power, 60Msps, Dual, 6-Bit ADC N ANALOG INPUT t AP 50% TNK+ t DCLK (INPUT CLOCK) 1.4V t DCLK PD t SKEW 1.4V DATA OUT Figure 8. MAX1002 Timing Diagram Output Data Format The conversion results are output on a ...

Page 10

Low-Power, 60Msps, Dual, 6-Bit ADC __________Applications Information Layout, Grounding, and Bypassing The MAX1002 is designed with separate analog and digital power-supply and ground connections to isolate high-current digital noise spikes from the more sensi- tive analog circuitry. The high-current digital ...

Page 11

Low-Power, 60Msps, Dual, 6-Bit ADC __________________Pin Configuration TOP VIEW GAIN 1 IOCC+ 2 IOCC- 3 IIN+ 4 IIN- 5 MAX1002 GND TNK+ 9 TNK- 10 GND 11 GND QIN- ...

Page 12

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 1997 Maxim Integrated Products Printed USA ...

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