MAX1197ECM+D Maxim Integrated Products, MAX1197ECM+D Datasheet

IC ADC 8BIT 60MSPS DUAL 48-TQFP

MAX1197ECM+D

Manufacturer Part Number
MAX1197ECM+D
Description
IC ADC 8BIT 60MSPS DUAL 48-TQFP
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX1197ECM+D

Number Of Bits
8
Sampling Rate (per Second)
60M
Data Interface
Parallel
Number Of Converters
2
Power Dissipation (max)
150mW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-TQFP Exposed Pad, 48-eTQFP, 48-HTQFP, 48-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX1197 is a 3V, dual, 8-bit analog-to-digital con-
verter (ADC) featuring fully differential wideband track-
and-hold (T/H) inputs, driving two ADCs. The MAX1197
is optimized for low-power, small size, and high-dynam-
ic performance for applications in imaging, instrumenta-
tion and digital communications. This ADC operates
from a single 2.7V to 3.6V supply, consuming only
120mW while delivering a typical signal-to-noise and
distortion (SINAD) of 48.5dB at an input frequency of
30MHz and a sampling rate of 60Msps. 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
MAX1197 features a 3mA sleep mode as well as a
0.1µA 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
applied reference, if desired, for applications requiring
increased accuracy or a different input voltage range.
The MAX1197 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 MAX1197 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 and higher speed versions of the
MAX1197 are also available. Refer to the MAX1195 data
sheet for 40Msps and the MAX1198 data sheet for
100Msps. In addition to these speed grades, this family
will include a multiplexed output version (MAX1196,
40Msps), for which digital data is presented time inter-
leaved and on a single, parallel 8-bit output port.
For a 10-bit, pin-compatible upgrade, refer to the
MAX1182 data sheet. With the N.C. pins of the
MAX1197 internally pulled down to ground, this ADC
becomes a drop-in replacement for the MAX1182.
19-2411; Rev 0; 4/02
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.
Baseband I/Q Sampling
Multichannel IF Sampling
Ultrasound and Medical
Imaging
Battery-Powered
Instrumentation
Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with
________________________________________________________________ Maxim Integrated Products
Internal Reference and Parallel Outputs
General Description
WLAN, WWAN, WLL,
MMDS Modems
Set-Top Boxes
VSAT Terminals
Applications
o Single 2.7V to 3.6V Operation
o Excellent Dynamic Performance
o -72dB Interchannel Crosstalk at f
o Low Power
o 0.05dB Gain and ±0.05° Phase Matching
o Wide ±1V
o 400MHz -3dB Input Bandwidth
o On-Chip 2.048V Precision Bandgap Reference
o User-Selectable Output Format—Two’s
o Pin-Compatible 8-Bit and 10-Bit Upgrades
*EP = Exposed paddle
Functional Diagram and Pin Compatible Upgrades table
appear at end of data sheet.
Range
Complement or Offset Binary
Available
MAX1197ECM
48.5dB/45.3dB SINAD at f
69dBc/53.5dBc SFDR at f
120mW (Normal Operation)
9mW (Sleep Mode)
0.3µW (Shutdown Mode)
COM
INA+
INB+
GND
INA-
GND
INB-
GND
PART
CLK
V
V
V
DD
DD
DD
10
11
12
1
2
3
4
5
6
7
8
9
P-P
Differential Analog Input Voltage
-40°C to +85°C
TEMP RANGE
Ordering Information
MAX1197
TQFP-EP
Pin Configuration
IN
IN
= 30MHz/200MHz
= 30MHz/200MHz
IN
= 20MHz
PIN-PACKAGE
48 TQFP-EP*
Features
36
35
34
33
32
31
30
29
28
27
26
25
N.C.
N.C.
OGND
OV
OV
OGND
N.C.
N.C.
D0B
D1B
D2B
D3B
DD
DD
1

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MAX1197ECM+D Summary of contents

Page 1

... Set-Top Boxes Ultrasound and Medical Imaging VSAT Terminals Battery-Powered Instrumentation ________________________________________________________________ Maxim Integrated Products 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. o Single 2.7V to 3.6V Operation o Excellent Dynamic Performance 48.5dB/45.3dB SINAD at f 69dBc/53.5dBc SFDR at f ...

Page 2

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs ABSOLUTE MAXIMUM RATINGS GND ...............................................-0.3V to +3. OGND to GND.......................................................-0.3V to +0.3V INA+, INA-, INB+, INB- to GND ...............................-0. REFIN, ...

Page 3

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs ELECTRICAL CHARACTERISTICS (continued 3V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10kΩ ...

Page 4

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs ELECTRICAL CHARACTERISTICS (continued 3V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10kΩ ...

Page 5

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs ELECTRICAL CHARACTERISTICS (continued 3V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10kΩ ...

Page 6

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs ELECTRICAL CHARACTERISTICS (continued 3V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10kΩ ...

Page 7

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs ( 2.048V, differential input at -1dB FS REFIN noted.) FFT PLOT CHA (DIFFERENTIAL INPUT, 8192-POINT DATA RECORD) 0 ...

Page 8

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs ( 2.048V, differential input at -1dB FS REFIN noted.) SNR/SINAD, THD/SFDR vs. TEMPERATURE 19.9333995MHz IN ...

Page 9

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs ( 2.048V, differential input at -1dB FS REFIN noted.) GAIN ERROR vs. TEMPERATURE, EXTERNAL REFERENCE V = 2.048V ...

Page 10

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs PIN NAME Common-Mode Voltage I/O. Bypass to GND with a ≥ 0.1µF capacitor. 1 COM Analog Supply Voltage. Bypass to GND with a capacitor combination of 2.2µF in ...

Page 11

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs PIN NAME 42 D5A Three-State Digital Output, Bit 5, Channel A 43 D6A Three-State Digital Output, Bit 6, Channel A 44 D7A Three-State Digital Output, Bit 7 (MSB), ...

Page 12

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs S4a INA+ INA- S4b S4a INB+ INB- S4b Figure 2. MAX1197 T/H Amplifiers are closed. The fully differential circuits sample the input signals onto the two capacitors (C2a ...

Page 13

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs ANALOG INPUT t AD CLOCK INPUT t DO DATA OUTPUT D7A–D0A DATA OUTPUT D7B–D0B Figure 3. System Timing Diagram Match the impedance ...

Page 14

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs DISABLE ENABLE OUTPUT HIGH-Z VALID DATA D7A–D0A OUTPUT HIGH-Z VALID DATA D7B–D0B Figure 4. Output Timing Diagram = × SNR 20 log × π × ...

Page 15

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs 300Ω 300Ω +5V 0.1µF INPUT MAX4108 0.1µF -5V 300Ω 300Ω 300Ω +5V 300Ω 0.1µF 0.1µF INPUT MAX4108 0.1µF -5V 300Ω 300Ω Figure 5. Typical Application for Single-Ended-to-Differential Conversion ...

Page 16

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs 25Ω 22pF 0.1µ N.C. 2.2µF 0.1µ MINICIRCUITS TT1–6-KK81 25Ω 22pF 25Ω 22pF 0.1µ ...

Page 17

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs 3.3V 0.1µF 0.1µF 1 16.2kΩ 2 MAX6062 1µF 3 10Hz LOWPASS FILTER NOTE: ONE FRONT-END REFERENCE CIRCUIT DESIGN MAY BE USED WITH UP TO 1000 ADCs. Figure 8. ...

Page 18

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs 3.3V 0.1µF 1 2.0V 21.5kΩ 2 MAX6066 3 21.5kΩ 1.5V 1µF 21.5kΩ 3.3V 1.0V 0.1µF 21.5kΩ MAX4254 POWER SUPPLY BYPASSING. PLACE CAPACITOR 21.5kΩ AS CLOSE AS POSSIBLE TO ...

Page 19

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs Figure 10. Typical QAM Application Using the MAX1197 CLK ANALOG INPUT SAMPLED DATA (T/H) HOLD TRACK T/H Figure 11. T/H Aperture Timing inductance. Bypass ...

Page 20

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs Signal-to-Noise Ratio For a waveform perfectly reconstructed from digital samples, the theoretical maximum SNR is the ratio of the full-scale analog input (RMS value) to the RMS quantization ...

Page 21

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs V DD GND INA+ T/H INA- CLK INB+ T/H INB- REFOUT Pin-Compatible Upgrades (Sampling Speed and Resolution) 8-BIT PART 10-BIT PART SAMPLING SPEED (Msps) MAX1195 MAX1183 40 MAX1197 ...

Page 22

... 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. 22 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2002 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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