TLC0834C Datasheet, PDF (7/15 Pages) Texas Instruments – 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL

TLC0834C, TLC0834I, TLC0838C, TLC0838I
8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
SLAS094C – MARCH 1995 – REVISED APRIL 1997
recommended operating conditions
MIN NOM MAX UNIT
Supply voltage, VCC
High-level input voltage, VIH
Low-level input voltage, VIL
Clock frequency, fclock
Clock duty cycle (see Note 2)
4.5
2
10
40%
5 5.5 V
V
0.8 V
600 kHz
60%
Pulse duration, CS high, twH(CS)
Setup time, CS low, SE low, or data valid before CLK↑, tsu (see Figures 1 and 2)
Hold time, data valid after CLK↑, th (see Figure 1)
Operating free-air temperature, TA
C suffix
I suffix
220
ns
350
ns
90
ns
0
70
°C
– 40
85
NOTE 2: The clock-duty-cycle range ensures proper operation at all clock frequencies. When a clock frequency is used outside the
recommended duty-cycle range, the minimum pulse duration (high or low) is 1 µs.
electrical characteristics over recommended range of operating free-air temperature, V_CC = 5 V,
f_clock = 250 kHz (unless otherwise noted)
digital section
PARAMETER
TEST CONDITIONS†
C SUFFIX
MIN TYP‡ MAX
I SUFFIX
MIN TYP‡ MAX
VOH High-level output voltage
VCC = 4.75 V, IOH = – 360 µA 2.8
VCC = 4.75 V, IOH = – 10 µA
4.6
2.4
4.5
VOL Low-level output voltage
VCC = 5.25 V, IOL = 1.6 mA
0.34
0.4
IIH High-level input current
VIH = 5 V
VIH = 5 V
0.005
1
0.005
1
IIL
Low-level input current
VIL = 0
VIL = 0
– 0.005 – 1
– 0.005
–1
IOH High-level output (source) current VOH = 0,
TA = 25°C
– 6.5 – 24
– 6.5 – 24
IOL Low-level output (sink) current
VOL = VCC, TA = 25°C
8
26
8
26
IOZ
High-impedance-state output
current (DO or SARS)
VO = 5 V,
VO = 0,
TA = 25°C
TA = 25°C
0.01
3
– 0.01 – 3
0.01
3
– 0.01 – 3
Ci
Input capacitance
5
Co Output capacitance
5
† _{All parameters are measured under open-loop conditions with zero common-mode input voltage (unless otherwise specified).}
‡ _{All typical values are at VCC = 5 V, TA = 25°C.}
UNIT
V
V
µA
µA
mA
mA
µA
pF
pF
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