TLC1551IDW;TLC1550IDW;TLC1551IDWR;TLC1551IDWRG4;TLC1550IDWR;中文规格书,Datasheet资料
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TLC1550I, TLC1550M, TLC1551I
10ĆBIT ANALOGĆTOĆDIGITAL CONVERTERS
WITH PARALLEL OUTPUTS
SLAS043G − MAY 1991 − REVISED NOVEMBER 2003
1POST OFFICE BOX 655303 • DALLAS, TEXAS 75265DPower Dissipation...40 mW Max
DAdvanced LinEPIC Single-Poly Process
Provides Close Capacitor Matching for
Better Accuracy
DFast Parallel Processing for DSP and µP
Interface
DEither External or Internal Clock Can Be
Used
DConversion Time...6 µs
DTotal Unadjusted Error...±1 LSB Max
DCMOS Technology
description
The TLC1550x and TLC1551 are data acquisition
analog-to-digital converters (ADCs) usinga 10-bit,
switched-capacitor, successive-approximation net-
work. Ahigh-speed, 3-state parallel port directly
interfaces to a digital signal processor (DSP) or
microprocessor (µP) system data bus. D0 through
D9 are the digital output terminals with D0 being
the least significant bit (LSB). Separate power
terminals for the analog and digital portions
minimize noise pickup in the supply leads.
Additionally, the digital power is divided into two
parts to separate the lower current logic from the
higher current bus drivers. An external clock can be
applied to CLKIN to override the internal system
clock if desired.
The TLC1550I and TLC1551I are characterized for
operation from −40°C to 85°C. The TLC1550M is
characterized over the full military range of −55°C
to 125°C.
AVAILABLE OPTIONS
PACKAGE
TACERAMIC CHIP CARRIER
(FK)PLASTIC CHIP CARRIER
(FN)CERAMIC DIP
(J)SOIC
(DW)
−40°C to 85°C—TLC1550IFN
TLC1551IFN—TLC1550IDW
TLC1551IDW
−55°C to 125°CTLC1550MFK—TLC1550MJ—
This device contains circuits to protect its inputs and outputs against damage due to high static voltages or electrostatic fields. These
circuits have been qualified to protect this device against electrostatic discharges (ESD) of up to 2 kV according to MIL-STD-883C,
Method 3015; however, it is advised that precautions be taken to avoid application of any voltage higher than maximum-rated
voltages to these high-impedance circuits. 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.
Copyright 2003, Texas Instruments IncorporatedOn products compliant to MILĆPRFĆ38535, all parameters are testedunless otherwise noted. On all other products, productionprocessing does not necessarily include testing of all parameters.PRODUCTION DATA information is current as of publication date.Products conform to specifications per the terms of Texas Instrumentsstandard warranty. Production processing does not necessarily includetesting of all parameters.Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
TexasInstruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Advanced LinEPIC is a trademark of Texas Instruments.1
2
3
4
5
6
7
8
9
10
11
1224
23
22
21
20
19
18
17
16
15
14
13REF+
REF−
ANLG GND
AIN
ANLG VDD
DGTL GND1
DGTL GND2
DGTL VDD1DGTL VDD2
EOC
D0
D1RD
WR
CLKIN
CS
D9
D8
D7
D6
D5
D4
D3
D2J† OR DW PACKAGE
(TOP VIEW)
321
13145
6
7
8
9
10
11CS
D9
D8
NC
D7
D6
D5AIN
ANLG VDD
DGTL GND1
NC
DGTL GND2
DGTL VDD1
DGTL VDD24
15161718
D0D1NCD2D3D4ANLG GND
REF−
REF+
NC
28272625
24
23
22
21
20
19
12
EOCRDWRCLKIN
NC − No internal connectionFK OR FN PACKAGE
(TOP VIEW)†Refer to the mechanical data for the JW
package.
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10ĆBIT ANALOGĆTOĆDIGITAL CONVERTERS
WITH PARALLEL OUTPUTS
SLAS043G − MAY 1991 − REVISED NOVEMBER 2003
2POST OFFICE BOX 655303 • DALLAS, TEXAS 75265functional block diagram
Control
LogicSuccessive-
Approximation
Register
Frequency
Divided by 2Internal
Clock10
10D0−D9
Comp10-Bit
Capacitor
DAC and S/H
Clock DetectorDGTL
VDD1
CLKIN
REF+
REF−
AINCS
WR
RDEOC
100 kΩ
NOM
typical equivalent inputs
INPUT CIRCUIT IMPEDANCE DURING SAMPLING MODEINPUT CIRCUIT IMPEDANCE DURING HOLD MODE
1 kΩ TYP
Ci = 60 pF TYP
(equivalent input
capacitance)5 MΩ TYPAINAIN
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