TL5501 Datasheet, PDF (3/7 Pages) Texas Instruments – 6-BIT ANALOG-TO-DIGITAL CONVERTER

TL5501
6-BIT ANALOG-TO-DIGITAL CONVERTER
SLAS026 – OCTOBER 1989 – REVISED APRIL 1990
FUNCTION TABLE
STEP
ANALOG INPUT
VOLTAGE
DIGITAL OUTPUT CODE
0
3.992 V
LLL
LLL
1
4.008 V
LLL
LLH
|
|
|
31
4.488 V
LHH
HHH
32
4.508 V
HL L
LLL
33
4.520 V
HL L
LLH
|
|
|
62
4.984 V
HHH
HH L
63
5.000 V
HHH
HHH
† _{Thesevalues are based on the assumption that VrefB and Vref T have been}
adjusted so that the voltage at the transition from digital 0 to 1 (VZT) is
4.000 V and the transition to full scale (VFT) is 4.992 V. 1 LSB = 16 mV.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, ANLG V_CC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 7 V
Supply voltage range, DGTL V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 7 V
Input voltage range at digital input, V_I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 7 V
Input voltage range at analog input, V_I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to ANLG V_CC + 0.5 V
Analog reference voltage range, V_ref . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to ANLG V_CC + 0.5 V
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 55°C to 150°C
Operating free-air temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
NOTE 1: All voltage values are with respect to the network ground terminal.
recommended operating conditions
Supply voltage, ANLG VCC
Supply voltage, DGTL VCC
High-level input voltage, VIH
Low-level input voltage, VIL
Input voltage at analog input, VI (see Note 2)
Analog reference voltage (top side), VrefT (see Note 2)
Analog reference voltage (bottom side), VrefB (see Note 2)
High-level output current, IOH
Low-level output current, IOL
Clock pulse duration, high-level or low-level, tw
Operating free-air temperature, TA
NOTE 2: VrefB < VI < Vref _T, Vref _T – VrefB = 1 V ± 0.1 V.
MIN
4.75
4.75
2
4
4
3
– 400
25
0
NOM
5
5
5
4
MAX
5.25
5.25
0.8
5
5.1
4.1
4
70
UNIT
V
V
V
V
V
V
V
µA
mA
ns
°C
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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