参数资料
型号: TLV0838CPWR
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 8-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封装: GREEN, TSSOP-20
文件页数: 3/26页
文件大小: 710K
代理商: TLV0838CPWR
TLV0834C, TLV0834I, TLV0838C, TLV0838I
3-VOLT 8-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL
SLAS147B – SEPTEMBER 1996 – REVISED OCTOBER 2000
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Vref – Reference Voltage – V
10
1
0.1
0.01
VI(+) = VI(–) = 0 V
0
2
4
6
8
10
12
14
16
UNADJUSTED OFFSET ERROR
vs
REFERENCE VOLTAGE
E
O(unadj)
Unadjusted
Offset
Error
LSB
Figure 4
Figure 5
Vref – Reference Voltage – V
VCC = 3.3 V
f(CLK) = 250 kHz
TA = 25°C
4
3
2
1
0
0.25
0.5
0.75
1.0
1.25
0
1.5
LINEARITY ERROR
vs
REFERENCE VOLTAGE
Linearity
Error
LSB
E
L
Figure 6
TA – Free-Air Temperature – °C
Vref = 3.3 V
f(CLK) = 250 kHz
100
75
50
25
0
–25
0.5
0.45
0.4
0.35
0.3
–50
0.25
LINEARITY ERROR
vs
FREE-AIR TEMPERATURE
Linearity
Error
LSB
E
L
Figure 7
f(CLK) – Clock Frequency – kHz
LINEARITY ERROR
vs
CLOCK FREQUENCY
Linearity
Error
LSB
E
L
600
500
400
300
200
100
2.0
1.8
1.2
1
0.8
0.2
0
85
°C
25
°C
–40
°C
Vref = 3.3 V
VCC = 3.3 V
1.6
1.4
0.6
0.4
700
800
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