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參數資料
| 型號： | TLV0838IPWRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 8-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | GREEN, TSSOP-20 |
| 文件頁數： | 24/26頁 |
| 文件大小： | 710K |
| 代理商： | TLV0838IPWRG4 |
TLV0834C, TLV0834I, TLV0838C, TLV0838I
3-VOLT 8-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL
SLAS147B – SEPTEMBER 1996 – REVISED OCTOBER 2000
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC (see clock frequency operating conditions)
2.7
3.3
3.6
V
High-level input voltage, VIH
2
V
Low-level input voltage, VIL
0.8
V
Clock frequency, f(CLK)
VCC = 2.7 V
10
250
kHz
Clock frequency, f(CLK)
VCC = 3.3 V
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
350
ns
Hold time, data valid after CLK
↑, th
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 = 3.3 V,
f(CLK) = 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 = 3 V,
IOH = – 360 A
2.8
2.4
V
VOH
High-level output voltage
VCC = 3 V,
IOH = – 10 A
2.9
2.8
V
VOL
Low-level output voltage
VCC = 3 V,
IOL = 1.6 mA
0.34
0.4
V
IIH
High-level input current
VIH = 3.6 V
0.005
1
0.005
1
A
IIL
Low-level input current
VIL = 0
– 0.005
–1
– 0.005
–1
A
IOH
High-level output (source) current
At VOH, DO = 0 V, TA = 25°C
– 6.5
–15
– 6.5
–15
mA
IOL
Low-level output (sink) current
A t VOL, DO = VCC, TA = 25°C
8
16
8
16
mA
IOZ
High-impedance-state output
VO = 3.3 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 = 3.3 V, TA = 25°C.
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