TLC32071 Datasheet, PDF (8/15 Pages) Texas Instruments – HIGH-SPEED 8-BIT A/D AND D/A CONVERTER WITH 8-CHANNEL MULTIPLEXER

TLC32071
HIGHĆSPEED 8ĆBIT A/D AND D/A CONVERTER
WITH 8ĆCHANNEL MULTIPLEXER
SLAS051−D3973, DECEMBER 1991
recommended operating conditions
MIN NOM MAX UNIT
Supply voltage, VCC
Supply voltage, VDD
High-level input voltage, VIH (digital inputs)
Low-level input voltage, VIL (digital inputs)
Reference voltage input at ANLG COM† input, Vref
Setup time, CSCNTRL low before WE low, tsu(CS)
Hold time, CSCNTRL high after WE high, th(CS)
Setup time, data bus before CSCNTRL high, tsu(D)
Hold time, data bus after CSCNTRL high, th(D)
Pulse duration, DEN, tw(DEN)
Setup time, CSAN low before DEN low, tsu(CS)
Hold time, CSAN high after DEN high, th(CS)
Setup time, CSAN low before WE low, tsu(CS)
Hold time, CSAN high after WE high, th(CS)
9
10
12 V
4.5
5 5.5 V
2.4
V
0.5 V
3.5
5
6V
0
ns
0
ns
15
ns
15
ns
ta‡
ns
0
ns
0
ns
0
ns
0
ns
Pulse duration, RESET, tw(RE)
25
ns
Pulse duration, WE, tw(WE)
30
ns
Operating free-air temperature, TA
0
70 °C
† _{For a DAC range of R = (1, 1/2, 1/4), ANLG COM should be chosen so that ANLG COM ± 4R is greater than 0.5 V and less then VCC − 0.5 V}
or the DAC output may not be able to deliver the specified maximum current without voltage limiting occurring.
‡ _{Access time}
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
VOH
High-level output voltage
VDD at 4.5 V,
IOH = − 360 µA
2.4
VOL
Vref
RO(ref)
IIH
Low-level output voltage
Reference voltage output (see Note 3)
Reference output resistance
High-level input current
VDD at 4.5 V,
IOL = 1.6 mA
ANLG COM = 5 V
2.42
ANLG COM = 5 V
VIH = 5 V
IIL
Low-level input current
VIL = 0
IDD
Supply current, digital
D0−D7 at VIH or VIL
ICC
Supply current, analog
IOZ
Off-state output current (high-impedance state)
VO = 5 V
VO = 0
IOS
Short-circuit output current
VO = 5 V
VO = 0
25
− 45
Co
Output capacitance (digital outputs)
§ _{All typical values are at TA = 25°C.}
NOTE 3: This voltage is an internal reference voltage (2.5 V) that is available at the output-multiplexer output.
TYP§
2.5
0.8
40
− 60
MAX
0.4
2.58
1.2
10
− 10
20
22
3
−3
5
UNIT
V
V
V
kΩ
µA
µA
mA
mA
µA
mA
pF
8
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