參數(shù)資料
型號(hào)： TLV1548QDBRG4Q1
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝： GREEN, PLASTIC, SSOP-20
文件頁數(shù)： 9/34頁
文件大?。?/td> 532K
代理商： TLV1548QDBRG4Q1
TLV1548Q1
LOW VOLTAGE 10BIT ANALOGTODIGITAL CONVERTER
WITH SERIAL CONTROL AND 8 ANALOG INPUTS
SGLS172B JUNE 2003 REVISED APRIL 2008
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
60
ns
td(I/O-EOC)
Delay time, 10th I/O CLK
↓ to EOC low
See Figure 13
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 13
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
TLV1548
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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TLV1549 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
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