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参数资料
| 型号： | TLC0838CN |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 8-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20 |
| 封装： | ROHS COMPLIANT, PLASTIC, DIP-20 |
| 文件页数： | 16/18页 |
| 文件大小： | 387K |
| 代理商： | TLC0838CN |
TLC0834C, TLC0834I, TLC0838C, TLC0838I
8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
SLAS094E – MARCH 1995 – REVISED OCTOBER 2000
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC
4.5
5
5.5
V
High-level input voltage, VIH
2
V
Low-level input voltage, VIL
0.8
V
Clock frequency, f(clock)
10
600
kHz
Clock duty cycle (see Note 2)
40%
60%
Pulse duration, CS high, tw
220
ns
Setup time, CS low, SE low, or data valid before CLK
↑, tsu (see Figures 1 and 2)
350
ns
Hold time, data valid after CLK
↑, th (see Figure 1)
90
ns
Operating free air temperature TA
C suffix
0
70
°C
Operating free-air temperature, TA
I suffix
–40
85
°C
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
s.
electrical characteristics over recommended range of operating free-air temperature, VCC = 5 V,
f(clock) = 250 kHz (unless otherwise noted)
digital section
PARAMETER
TEST CONDITIONS
C SUFFIX
I SUFFIX
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VOH
High level output voltage
VCC = 4.75 V, IOH = – 360 A
2.8
2.4
V
VOH
High-level output voltage
VCC = 4.75 V, IOH = – 10 A
4.6
4.5
V
VOL
Low-level output voltage
VCC = 5.25 V, IOL = 1.6 mA
0.34
0.4
V
IIH
High-level input current
VIH = 5 V,
VIH = 5 V
0.005
1
0.005
1
A
IIL
Low-level input current
VIL = 0,
VIL = 0
– 0.005
–1
– 0.005
–1
A
IOH
High-level output (source) current
VOH = 0,
TA = 25°C
– 6.5
–24
– 6.5
–24
mA
IOL
Low-level output (sink) current
VOL = VCC,
TA = 25°C
8
26
8
26
mA
IOZ
High-impedance-state output
VO = 5 V,
TA = 25°C
0.01
3
0.01
3
A
IOZ
g
current (DO or SARS)
VO = 0,
TA = 25°C
– 0.01
–3
– 0.01
–3
A
Ci
Input capacitance
5
pF
Co
Output capacitance
5
pF
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.
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