Converter. TLC5502-5M Datasheet

TLC5502-5M Datasheet PDF


Part

TLC5502-5M

Description

8-Bit Analog-to-Digital Converter

Manufacture

etcTI

Page 11 Pages
Datasheet
Download TLC5502-5M Datasheet


TLC5502-5M Datasheet
TLC5502Ć5M
8ĆBIT ANALOGĆTOĆDIGITAL CONVERTER
SGLS067 − MARCH 1992
LinEPIC1-µm CMOS Process
8-Bit Resolution
J PACKAGE
(TOP VIEW)
Differential Linearity Error . . . ±0.2% Max
Maximum Conversion Rate . . . 20 MHz Typ
. . . 10 MHz Min
Analog Input Voltage Range . . . 0 V to VDD
TTL Digital I/O Level
DGTL GND1
(LSB) D0
D1
D2
D3
1
2
3
4
5
24 ANLG GND
23 DGTL VDD1
22 ANLG VDD
21 REFB
20 ANLG INPUT
Low Power Consumption . . . 150 mW Typ
5-V Single-Supply Operation
D4 6
D5 7
D6 8
19 ANLG INPUT
18 REFM
17 REFT
description
(MSB) D7 9
CLK 10
16 ANLG VDD
15 DGTL VDD2
The TLC5502-5M is a low-power ultra-high-speed
DGTL GND2 11 14 ANLG GND
8-bit analog-to-digital converter that uses the
NC 12 13 NC
LinEPICCMOS process. It utilizes the full parallel comparison (flash method) for high-speed conversion.
Because of such high-speed capability, the TLC5502-5M is suNitCablNeofoinrtemrnaoltocroncnoencttioronl, high-speed signal
processing, and video or radar signal processing.
Separate analog and digital supply pins are provided to reduce coupling between the high-speed digital
switching sections and the lower-frequency analog signal comparators. This pin partitioning minimizes crosstalk
and unwanted spurious signals.
The TLC5502-5M is characterized for operation from − 55°C to 125°C.
During storage or handling, the device leads should be shorted together or the device should be placed in conductive foam. In a circuit,
unused inputs should always be connected to an appropriated logic voltage level, preferably either VCC or ground. Specific guidelines
for handling devices of this type are contained in the publication Guidelines for Handling Electrostatic-Discharge-Sensitive (ESDS)
Devices and Assemblies available from Texas Instruments.
LinEPIC is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard
warranty. Production processing does not necessarily include testing of all
parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright 1992, Texas Instruments Incorporated
4−179

TLC5502-5M Datasheet
TLC5502Ć5M
8ĆBIT ANALOGĆTOĆDIGITAL CONVERTER
SGLS067 − MARCH 1992
functional block diagram
10
CLK
19, 20
ANLG INPUT
REFT 17
R1
1
2
R
R
R/2
18
REFM
R/2
127
255-to-8
Encoder
128
R
R
R2
21
REFB
254
255
EN
Latch
and
Buffer
9
D7 (MSB)
8
D6
7
D5
6
D4
5
D3
4
D2
3
D1
2
D0 (LSB)
operating sequence
CLK
ANALOG
INPUT
D0−D7
Sample
N
Data
N−1
Sample
N+1
td
Data
N
Sample
N+2
Data
N+1
Following the operating sequence above, the rising edge of the clock samples the analog input (sample N) at
time tN and latches sample N−1 at the output. Sample N is encoded to eight digital lines on the next falling edge
of the clock and then the following high clock level latches these eight bits to the outputs (with a delay td) and
acquires sample N + 1. Conversion is completed in one clock cycle and continues the sequence for the next
cycle.
4−180
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Features Datasheet pdf TLC5502Ć5M 8ĆBIT ANALOGĆTOĆDIGITAL C ONVERTER SGLS067 − MARCH 1992 • L inEPIC 1-µm CMOS Process • 8-Bit Resolution J PACKAGE (TOP VIEW) • D ifferential Linearity Error . . . ±0.2 % Max • Maximum Conversion Rate . . . 20 MHz Typ . . . 10 MHz Min • Analog Input Voltage Range . . . 0 V to VDD TTL Digital I/O Level DGTL GND1 (LS B) D0 D1 D2 D3 1 2 3 4 5 24 ANLG GND 23 DGTL VDD1 22 ANLG VDD 21 REFB 20 ANL G INPUT • Low Power Consumption . . . 150 mW Typ • 5-V Single-Supply Oper ation D4 6 D5 7 D6 8 19 ANLG INPUT 18 REFM 17 REFT description (MSB) D7 9 CLK 10 16 ANLG VDD 15 DGTL VDD2 The T LC5502-5M is a low-power ultra-high-spe ed DGTL GND2 11 14 ANLG GND 8-bit ana log-to-digital converter that uses the NC 12 13 NC LinEPIC CMOS process. It utilizes the full parallel compariso n (flash method) for high-speed convers ion. Because of such high-speed capabi lity, the TLC5502-5M is suNitCab−lNeo foinrtemrnaoltocroncnoencttioronl, high-speed signal processing, and video or radar signal pr.
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