参数资料
型号: TLV2544QD
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16
封装: PLASTIC, SOIC-16
文件页数: 26/43页
文件大小: 989K
代理商: TLV2544QD
TLV2544Q, TLV2548Q, TLV2548M
3V TO 5.5V, 12BIT, 200KSPS, 4/8CHANNEL, LOW POWER
SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWERDOWN
SGLS119F FEBRUARY 2002 REVISED OCTOBER 2009
32
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 33
60
55
45
40
1
250
SINAD
Signal-to-Noise
+
Distortion
dB
70
75
f Frequency kHz
SIGNAL-TO-NOISE + DISTORTION
vs
INPUT FREQUENCY
80
500
65
50
VCC = 5 V, External Reference = 4 V,
Internal Oscillator, Single Shot,
Long Sample, Mode 00
P Mode
Figure 34
9.9
9.3
8.4
7.5
1
250
ENOB
Effective
Number
of
Bits
BITS
10.5
11.7
f Frequency kHz
EFFECTIVE NUMBER OF BITS
vs
INPUT FREQUENCY
12
500
11.4
11.1
10.8
10.2
9.6
9
8.7
8.1
7.8
VCC = 5 V, External Reference = 4 V,
Internal Oscillator, Single Shot,
Long Sample, Mode 00
P Mode
Figure 35
75
80
85
90
1
THD
T
otal
Harmonic
Distortion
dB
70
65
TOTAL HARMONIC DISTORTION
vs
INPUT FREQUENCY
60
100
f Frequency kHz
VCC = 5 V, External Reference = 4 V,
Internal Oscillator, Single Shot,
Long Sample, Mode 00
P Mode
50
Figure 36
40
60
80
100
150
Spurious
Free
Dynamic
Range
dB
20
f Frequency kHz
SPURIOUS FREE DYNAMIC RANGE
vs
INPUT FREQUENCY
0
100
VCC = 5 V, External Reference = 4 V,
Internal Oscillator, Single Shot,
Long Sample, Mode 00
P Mode
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