参数资料
型号: TLV2556IDW
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封装: GREEN, PLASTIC, SOIC-20
文件页数: 9/37页
文件大小: 729K
代理商: TLV2556IDW
TLV2556
SLAS355A – DECEMBER 2001 – REVISED SEPTEMBER 2002
17
www.ti.com
TYPICAL CHARACTERISTICS
Figure 25
–40
25
85
SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
TA – Free-Air Temperature – °C
0.82
0.84
0.86
0.88
0.9
0.92
0.94
0.96
Supply
Current
mA
I CC
VCC = 5.5 V
VREF+ = 2.048 V
VREF– = 0 V
I/O CLOCK = 15 MHz
200 KSPS,
TA = 25°C
Figure 26
0
0.1
0.2
0.3
0.4
0.5
–40
25
85
Current
SOFTWARE POWER DOWN
vs
FREE-AIR TEMPERATURE
A
TA – Free-Air Temperature – °C
VCC = 5.5 V
VREF+ = 2.048 V
VREF– = 0 V
I/O CLOCK = 15 MHz
200 KSPS,
TA = 25°C
Figure 27
–40
25
85
AUTO POWER DOWN
vs
FREE-AIR TEMPERATURE
TA – Free-Air Temperature – °C
Current
A
985
990
995
1000
1005
1010
VCC = 5.5 V
VREF+ = 2.048 V
VREF– = 0 V
I/O CLOCK = 15 MHz
200 KSPS,
TA = 25°C
Figure 28
0.95
1
1.05
1.1
1.15
1.2
1.25
–40
25
85
2-V INTERNAL REFERENCE CURRENT
vs
FREE-AIR TEMPERATURE
TA – Free-Air Temperature – °C
Current
mA
VCC = 5.5 V
VREF+ = 2.048 V
VREF– = 0 V
I/O CLOCK = 15 MHz
200 KSPS,
TA = 25°C
NOTE: All typical curves are with internal reference unless specified otherwise. Refer to the TLV2553 data sheet (SLAS354) for typical curves
using an external reference.
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