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參數資料
型號: TLV2548IPWRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝: GREEN, PLASTIC, TSSOP-20
文件頁數: 26/46頁
文件大小: 1078K
代理商: TLV2548IPWRG4
TLV2544, TLV2548
2.7V TO 5.5V, 12BIT, 200KSPS, 4/8CHANNEL, LOW POWER
SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWERDOWN
SLAS198E FEBRUARY 1999 REVISED JUNE 2003
32
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 33
71
70.50
70
69.50
69
68.50
68
67.50
67
0
50
100
150
SINAD
Signal-to-Noise
+
Distortion
dB
f Frequency kHz
SIGNAL-TO-NOISE + DISTORTION
vs
INPUT FREQUENCY
VCC = 5 V,
External Reference = 4 V,
Internal Oscillator,
Single Shot, Long Sample,
Mode 00
P Mode
Figure 34
10.80
10.90
11
11.10
11.20
11.30
11.40
11.50
0
50
100
150
ENOB
Effective
Number
of
Bits
BITS
f Frequency kHz
EFFECTIVE NUMBER OF BITS
vs
INPUT FREQUENCY
VCC = 5 V,
External Reference = 4 V,
Internal Oscillator,
Single Shot, Long Sample,
Mode 00
P Mode
Figure 35
79
78
77
76
75
74
73
72
71
70
69
0
50
100
150
THD
T
otal
Harmonic
Distortion
dB
TOTAL HARMONIC DISTORTION
vs
INPUT FREQUENCY
f Frequency kHz
VCC = 5 V,
External Reference = 4 V,
Internal Oscillator,
Single Shot, Long Sample,
Mode 00
P Mode
Figure 36
82
81
80
79
78
77
76
75
74
73
0
50
100
150
Spurious
Free
Dynamic
Range
dB
f Frequency kHz
SPURIOUS FREE DYNAMIC RANGE
vs
INPUT FREQUENCY
VCC = 5 V,
External Reference = 4 V,
Internal Oscillator,
Single Shot, Long Sample,
Mode 00
P Mode
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TLV2544CDR 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16
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TLV2548QDW 功能描述:模數轉換器 - ADC 12 Bit 200 kSPS Lo Pwr RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
TLV2548QDWG4 功能描述:模數轉換器 - ADC Auto Cat 12B 200 kSPS ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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