参数资料
型号: TLV2548CPWLE
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
文件页数: 21/39页
文件大小: 648K
代理商: TLV2548CPWLE
TLV2544, TLV2548
2.7 V TO 5.5 V, 12-BIT, 200 KSPS, 4/8 CHANNEL, LOW POWER,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
SLAS198A –FEBRUARY 1999– REVISED AUGUST 1999
28
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 24
0.6
0.4
0.2
0
–40
25
Offset
Error
LSB
0.8
1
OFFSET ERROR
vs
TEMPERATURE
1.2
85
TA – Temperature – °C
VCC = 5 V, Internal Reference = 4 V,
External Oscillator = SCLK/4,
Single Shot, Long Sample,
Mode 00
P Mode
Figure 25
–1
–1.5
–2
–2.5
–40
25
Gain
Error
LSB
–0.5
0
GAIN ERROR
vs
TEMPERATURE
0.5
85
TA – Temperature – °C
VCC = 5 V, Internal Reference = 4 V,
External Oscillator = SCLK/4,
Single Shot, Long Sample,
Mode 00
P Mode
Figure 26
1
0.8
0.6
–40
25
Supply
Current
mA
1.2
SUPPLY CURRENT
vs
TEMPERATURE
1.4
85
TA – Temperature – °C
Long Sample
Short Sample
VCC = 5 V, External Reference = 4 V,
Internal Oscillator, Single Shot,
Short Sample, Mode 00
P Mode
Figure 27
–0.2
–0.6
–0.8
–1
–40
25
Powerdown
Current
0
0.2
POWER DOWN CURRENT
vs
TEMPERATURE
0.4
85
–0.4
A
TA – Temperature – °C
VCC = 2.7 V
VCC = 5 V
VCC = 5.5 V
External Reference = 4 V, Internal Oscillator,
Single Shot, Short Sample, Mode 00
P Mode
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