TLC5502-5M Datasheet, PDF (4/11 Pages) Texas Instruments – 8-BIT ANALOG-TO-DIGITAL CONVERTER

TLC5502Ć5M
8ĆBIT ANALOGĆTOĆDIGITAL CONVERTER
SGLS067 − MARCH 1992
STEP
0
FUNCTION TABLE
ANALOG INPUT
VOLTAGE†
DIGITAL OUTPUT
CODE
0.000 V
L L LLL L LL
1
0.019 V
L L LLL L LH
.
.
.
.
.
.
.
.
.
127
2.413 V
L H HHH H HH
128
2.432 V
HL LLL L LL
129
2.451 V
HL LLL L LH
.
.
.
.
.
.
.
.
.
254
4.826 V
H H HHH H HL
255
4.845 V
H H HHH H HH
† _{These values are based on the assumption that VrefB and VrefT have}
been adjusted so that the voltage at the transition from digital 0 to 1
(VZT) is 0 V and the transition to full scale (VFT) is 4.8545 V. 1 LSB
= 19 mV.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, ANLG V_DD (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Supply voltage range, DGTL V_DD (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Input voltage range at CLK, V_I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to DGTL V_DD + 0.3 V
Input voltage range at analog input, V_I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to ANLG V_DD + 0.5 V
Analog reference voltage range, V_ref . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to ANLG V_DD + 0.5 V
Operating free-air temperature range, T_A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 125°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
NOTE 1: Voltages at analog inputs and ANLG VDD are with respect to the ANLG GND terminals. Voltages at the digital outputs and DGTL VDD
are with respect to the DGTL GND terminals.
recommended operating conditions
Supply voltage, ANLG VDD
Supply voltage, DGTL VDD
High-level input voltage, VIH, CLK
Low-level input voltage VIL, CLK
Input voltage at analog input, VI
Analog reference voltage (top side), VrefT
Analog reference voltage (midpoint), VrefM
Analog reference voltage (bottom side), VrefB
Differential reference voltage, VrefT − VrefB
High-level output current, IOH
Low-level output current, IOL
Clock pulse duration, high or low, twH or twL
Operating free-air temperature, TA
MIN NOM MAX
4.75
5 5.25
4.75
5 5.25
2
0.8
0
5
ANLG
VDD
VrefT * VrefB
2
0
5
− 400
4
50
− 55
125
UNIT
V
V
V
V
V
V
V
V
V
µA
mA
ns
°C
4−182
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