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| 型號(hào)： | 5962-9853801Q2A |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁(yè)數(shù)： | 9/37頁(yè) |
| 文件大小： | 693K |
| 代理商： | 5962-9853801Q2A |
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TLV1544C, TLV1544I, TLV1548C, TLV1548I, TLV1548M
LOW-VOLTAGE 10-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 4/8 ANALOG INPUTS
SLAS139C – DECEMBER 1996 – REVISED JANUARY 1999
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics over recommended operating free-air temperature range,
VCC = Vref+ = 2.7 V to 5.5 V, I/O CLK frequency = 2.2 MHz (unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
td(I/O-DATA) Delay time, I/O CLK low to DATA OUT valid
See Figure 11
50
ns
td(I/O-EOC)
Delay time, 10th I/O CLK
↓ to EOC low
See Figure 12
70
240
ns
tPZH, tPZL
Enable time, CS low to DATA OUT valid (MSB driven)
See Figure 8
0.7
1.3
s
tPHZ, tPLZ
Disable time, CS high to DATA OUT invalid (high impedance)
See Figure 8
70
150
ns
tf(EOC)
Fall time, EOC
See Figure 12
15
50
ns
tr(bus)
Rise time, output data bus at 2.2 MHz I/O CLK
See Figure 11
50
250
ns
tf(bus)
Fall time, output data bus at 2.2 MHz I/O CLK
See Figure 11
50
250
ns
All typical values are at TA = 25°C.
PARAMETER MEASUREMENT INFORMATION
_
+
C2
0.1
F
C1
10
F
15 V
– 15 V
VI
Ax
TLV1544/48
U1
C1
10
F
C2
0.1
F
LOCATION
U1
C1
C2
DESCRIPTION
OP27
10-
F 35-V tantalum capacitor
0.1-
F ceramic NPO SMD capacitor
PART NUMBER
—
AVX 12105C104KA105 or equivalent
EOC
D0
Figure 6. Analog Input Buffer to Analog Inputs
EOC
CL = 50 pF
12 k
DATA OUT
Test Point
VCC
RL = 2.18 k
CL = 100 pF
12 k
Test Point
VCC
RL = 2.18 k
Figure 7. Load Circuits
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