參數(shù)資料
型號: TLV1562CPW
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
封裝: 0.65 MM PITCH, GREEN, TSSOP-28
文件頁數(shù): 32/41頁
文件大?。?/td> 600K
代理商: TLV1562CPW
TLV1562
2.7 V TO 5.5 V, HIGH-SPEED LOW-POWER RECONFIGURABLE ANALOG-TO-DIGITAL
CONVERTER WITH 4-INPUT, DUAL S/H, PARALLEL INTERFACE, AND POWER DOWN
SLAS162 – SEPTEMBER 1998
38
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 36
AVDD = 3 V, VREF+ = 2 V, VREF = 1 V
57
56
54
53
50 100 200 300 400 500 600
SINAD
Magnitude
dB
59
60
Analog Input Frequency – kHz
SIGNAL TO NOISE HARMONIC DISTORTION
vs
INPUT FREQUENCY
61
700 800 900 1000
58
55
AVDD = 5 V, VREF+ = 4 V, VREF = 1 V
AVDD = 5 V, VREF+ = 3.5 V, VREF = 1.5 V
Figure 37
9
8.8
8.6
8.4
50 100 200 300 400 500 600
Effective
Number
of
Bits
9.4
9.6
Analog Input Frequency – kHz
EFFECTIVE NUMBER OF BITS
vs
INPUT FREQUENCY
9.8
700 800 900 1000
9.2
AVDD = 5 V, VREF+ = 3.5 V, VREF = 1.5 V
AVDD = 5 V, VREF+ = 4 V, VREF = 1 V
AVDD = 3 V, VREF+ = 2 V, VREF = 1 V
AVDD = 5 V, VREF+ = 3.5 V, VREF = 1.5 V
–69
–69.5
–70
–70.5
50 100 200 300 400 500 600
THD
Magnitude
dB
–68
–67.5
Analog Input Frequency – kHz
TOTAL HARMONIC DISTORTION
vs
INPUT FREQUENCY
–67
700 800 900 1000
–68.5
AVDD = 3 V, VREF+ = 2 V, VREF = 1 V
AVDD = 5 V, VREF+ = 4 V, VREF = 1 V
Figure 38
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