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Maxim Integrated Semiconductor Electronic Components Datasheet


MAX1114

8-Bit / 150Msps Flash ADC



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MAX1114 pdf
19-1101; Rev 0; 6/96
EVAALVUAAILTAIOBNLEKIT
8-Bit, 150Msps Flash ADC
_______________General Description
The MAX1114 is a monolithic, flash analog-to-digital
converter (ADC) that can digitize a 2V analog input
signal into 8-bit digital words at a typical 150Msps
update rate.
For most applications, no external sample-and-hold is
required for accurate conversion due to the device's
narrow aperture time, wide bandwidth, and low input
capacitance. A single standard -5.2V power supply is
required to operate the MAX1114, with nominal 2.2W
power dissipation. A special decoding scheme reduces
metastable errors to 1LSB.
The part is packaged in a 42-pin ceramic sidebraze
that is pin-compatible with the CX20116 and
CXA1396D. The surface-mount 44-pin CERQUAD
allows access to additional reference ladder taps, an
overrange bit, and a data-ready output. For higher con-
version rates, the pin-compatible 300Msps MAX1125 is
available.
________________________Applications
Digital Oscilloscopes
Transient Capture
Radar, EW, ECM
Direct RF Down-Conversion
Medical Electronics
Ultrasound, CAT Instrumentation
_________________Pin Configurations
TOP VIEW
DGND 1
AGND 2
VEE 3
MINV 4
CLK 5
CLK 6
VEE 7
AGND 8
AGND 9
VRBS 10
VRBF 11
MAX1114
33 AGND
32 VEE
31 LINV
30 N.C.
29 DRINV
28 N.C.
27 VEE
26 AGND
25 AGND
24 VRTS
23 VRTF
CERQUAD
____________________________Features
o Metastable Errors Reduced to 1LSB
o 10pF Input Capacitance
o 210MHz Input Bandwidth
o 150Msps Conversion Rate
o 2.2W Typical Power Dissipation
o Single -5.2V Supply
______________Ordering Information
PART
TEMP. RANGE PIN-PACKAGE INL (LSBs)
MAX1114AIDO -20°C to +85°C 42 Ceramic SB ±0.75
MAX1114BIDO -20°C to +85°C 42 Ceramic SB
±1
MAX1114AIBH -20°C to +85°C 44 CERQUAD ±0.75
MAX1114BIBH -20°C to +85°C 44 CERQUAD
±1
Functional Diagram appears at end of data sheet.
____Pin Configurations (continued)
TOP VIEW
VEE 1
N.C. 2
LINV 3
VEE 4
AGND 5
DGND 6
DO (LSB) 7
D1 8
D2 9
D3 10
D4 11
D5 12
D6 13
D7 (MSB) 14
DGND 15
AGND 16
VEE 17
MINV 18
N.C. 19
CLK 20
CLK 21
MAX1114
Ceramic SB
42 N.C.
41 VRTF
40 N.C.
39 VEE
38 VEE
37 N.C.
36 N.C.
35 AGND
34 VIN
33 AGND
32 VR2
31 AGND
30 VIN
29 AGND
28 N.C.
27 N.C.
26 VEE
25 VEE
24 N.C.
23 VRBF
22 N.C.
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800



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MAX1114 pdf
8-Bit, 150Msps Flash ADC
ABSOLUTE MAXIMUM RATINGS
Negative Supply Voltage (VEE TO GND) ..............-7.0V to +0.5V
Ground Voltage Differential ...................................-0.5V to +0.5V
Analog Input Voltage ...............................................VEE to +0.5V
Reference Input Voltage ..........................................VEE to +0.5V
Digital Input Voltage.................................................VEE to +0.5V
Reference Current VRTF to VRBF.........................................25mA
Digital Output Current ...........................................0mA to -30mA
Operating Temperature Range ...........................-25°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10sec). ............................+300°C
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.
ELECTRICAL CHARACTERISTICS
(VEE = -5.2V, RSOURCE = 50, VRBF = -2.00V, VR2 = -1.00V, VRTF = 0.00V, fCLK = 150MHz, 50% Duty Cycle, TA = TMIN to TMAX,
unless otherwise noted.)
PARAMETER
CONDITIONS
DC ACCURACY
Integral Linearity
fCLK = 100 kHz
Differential Linearity
fCLK = 100 kHz
No missing codes
ANALOG INPUT
Offset Error VRT
Offset Error VRB
Input Voltage Range
Input Capacitance
Over full input range
Input Resistance
Input Current
Input Slew Rate
Large-Signal Bandwidth
VIN = full scale
Small-Signal Bandwidth
IN = 500mVp-p
REFERENCE INPUT
Ladder Resistance
Reference Bandwidth
TIMING CHARACTERISTICS
Maximum Sample Rate
Clock to Data Delay
Output Delay Tempco
CLK-to-Data Ready Delay (tD)
Aperture Jitter
Acquisition Time
TEST
MAX1114A
LEVEL MIN TYP MAX
MAX1114B
MIN TYP MAX
UNITS
VI -0.75 ±0.60 +0.75 -0.95 ±0.80 +0.95 LSB
VI -0.75
+0.75 -0.95
+0.95 LSB
Guaranteed
Guaranteed
IV -30
+30 -30
+30 mV
IV -30
+30 -30
+30 mV
VI -2.0
0.0 -2.0
0.0 V
V 10
10 pF
V 15
15 k
VI
250 500
250 500
µA
V 1,000
1,000
V/µs
V 210
210 MHz
V 335
335 MHz
VI 100 200 300 100 200 300
V 10
10 MHz
VI 125 150
V 2.4
V2
V 2.0
V5
V 1.5
125 150
2.4
2
2.0
5
1.5
Msps
ns
ps/°C
ns
ps
ns
2 _______________________________________________________________________________________



Part Number MAX1114
Description 8-Bit / 150Msps Flash ADC
Maker Maxim - Maxim
Total Page 12 Pages
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