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PDF MAX1172 Data sheet ( Hoja de datos )
| Número de pieza | MAX1172 | |
| Descripción | 12-Bit / 30Msps / TTL-Output ADC | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX1172 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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19-1134; Rev 0; 10/96
EVAALVUAAILTAIOBNLEKIT
12-Bit, 30Msps, TTL-Output ADC
_________________General Description
The MAX1172 analog-to-digital converter (ADC) is a
12-bit monolithic ADC capable of sample rates greater
than 30Msps. An on-board input buffer and track/hold
function ensure excellent dynamic performance without
the need for external components. A 5pF input capaci-
tance minimizes development problems.
Logic inputs and outputs are TTL compatible. An over-
range output signal is provided to indicate overflow
conditions. Output data format is straight binary. Power
dissipation is a very low 1.1W with power-supply volt-
ages of +5.0V and -5.2V. The MAX1172 also provides a
wide input voltage range of ±2.0V.
The MAX1172 is available in a 32-lead ceramic side-
brazed package and a 44-lead surface-mount CERQUAD
package.
_________________________Applications
Radar Receivers
Professional Video
Instrumentation
Imaging
Digital Communications
Digital Spectrum Analyzers
_____________________________Features
o Monolithic, 12-Bit, 30Msps Converter
o On-Chip Track/Hold
o ±2.0V Analog Input Range
o High Input Impedance
o 66dB SNR at 1MHz Input
o Low Power: 1.1W
o 5pF Input Capacitance
o TTL-Compatible Outputs
________________Ordering Information
PART
MAX1172CDJ
MAX1172CBH
TEMP. RANGE
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
32 Ceramic SB
44 CERQUAD
___________________Pin Configurations
TOP VIEW
________________Functional Diagram
VIN
INPUT
BUFFER
ANALOG GAIN
COMPRESSION
PROCESSOR
4-BIT FLASH CONVERTER
4
TRACK/
HOLD
AMPLIFIERS
ASYNCHRONOUS
8-BIT SAR 8
ERROR
CORRECTION,
DIGITAL
OUTPUT
DECODING
AND 12
OUTPUT TLL
DRIVERS
D2 1
D3 2
D4 3
D5 4
D6 5
D7 6
D8 7
D9 8
D10 9
D11 10
N.C. 11
MAX1172
33 N.C.
32 VFB
31 VSB
30 VRT1
29 VRT2
28 VIN
27 VRT3
26 VST
25 VFT
24 N.C.
23 VCC
CERQUAD
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
For the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
1 page  
12-Bit, 30Msps, TTL-Output ADC
__________________________________________Typical Operating Characteristics
(fS = 30Msps, fIN = 1MHz, TA = +25°C, unless otherwise noted.)
80
70
60
50
40
30
20
1
SIGNAL-TO-NOISE RATIO
vs. INPUT FREQUENCY
10
INPUT FREQUENCY (MHz)
100
TOTAL HARMONIC DISTORTION
vs. INPUT FREQUENCY
80
70
60
50
40
30
20
1
10
INPUT FREQUENCY (MHz)
100
SNR, THD, SINAD vs. SAMPLE RATE
80
70 SNR, THD
60 SINAD
50
40
30
20
1
10
SAMPLE RATE (Msps)
100
SIGNAL-TO-NOISE AND DISTORTION
vs. INPUT FREQUENCY
80
70
60
50
40
30
20
1
10
0INPUT FREQUENCY (MHz)
100
SPECTRAL RESPONSE
0
-30
-60
-90
-120
0
12 3 4
FREQUENCY (MHz)
5
SNR, THD, SINAD vs. TEMPERATURE
75
70
SNR
65
THD
60 SINAD
55
50
-25
0 25
50
TEMPERATURE (°C)
75
_______________________________________________________________________________________ 5
5 Page 
12-Bit, 30Msps, TTL-Output ADC
N
CLK IN
2.4V
DATA OUT
(ACTUAL)
3.5V
2.4V
0.8V
0.5V
DATA OUT
(EQUIVALENT)
6ns
typ
(N - 2)
INVALID
DATA
tPD1
14ns typ
(N - 2)
INVALID
DATA
Figure 5. Digital Output Characteristics
N+1
(N - 1)
tRISE
6ns
INVALID
DATA
(N)
(N - 1)
INVALID
DATA
(N - 1)
____Pin Configurations (continued)
TOP VIEW
DGND 1
D0 2
D1 3
D2 4
D3 5
D4 6
D5 7
D6 8
D7 9
D8 10
D9 11
D10 12
D11 13
D12 14
DGND 15
DVCC 16
MAX1172
32 DVCC
31 VEE
30 AGND
29 VCC
28 VFB
27 VSB
26 VRT1
25 VRT2
24 VIN
23 VRT3
22 VST
21 VFT
20 VCC
19 AGND
18 VEE
17 CLK
Ceramic SB
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MAX1172.PDF ] | |
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