參數(shù)資料
型號(hào): LTC1966MPMS8#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 模擬專(zhuān)用變換器
英文描述: RMS TO DC CONVERTER, PDSO8
封裝: LEAD FREE, PLASTIC, MSOP-8
文件頁(yè)數(shù): 35/38頁(yè)
文件大?。?/td> 387K
代理商: LTC1966MPMS8#TRPBF
LTC1966
6
1966fb
Typical perForMance characTerisTics
Gain and Offsets vs VSS Supply
VSS (V)
–6
–0.5
GAIN
ERROR
(%)
OFFSET
VOLTAGE
(mV)
–0.4
–0.2
–0.1
0
0.5
0.2
–5
–4
0
1966 G11
–0.3
0.3
0.4
0.1
–0.5
–0.4
–0.2
–0.1
0
0.5
0.2
–0.3
0.3
0.4
0.1
–2
–3
–1
VDD = 5V
VIOS
VOOS
GAIN ERROR
NOMINAL SPECIFIED
CONDITIONS
VDD (V)
2.5
–0.5
GAIN
ERROR
(%)
OFFSET
VOLTAGE
(mV)
–0.4
–0.2
–0.1
0
0.5
0.2
3.0
3.5
5.5
1966 G10
–0.3
0.3
0.4
0.1
–1.0
–0.8
–0.4
–0.2
0
1
0.4
–0.6
0.6
0.8
0.2
4.5
4.0
5.0
VSS = GND
VIOS
VOOS
GAIN ERROR
AC Linearity
Performance vs Crest Factor
Gain and Offsets vs VDD Supply
VIN1 (VRMS)
0
–20
V OUT
(mV
DC)
V
IN
(mV
RMS
)
–15
–10
–5
0
5
10
0.5
1
1.5
2
1966 G24
2.5
1% ERROR
AC INPUTS = 60Hz
SINEWAVES
VIN2 = GND
–1% ERROR
AC INPUT
VDD = 3V
AC INPUT
VDD = 5V
DC INPUT
VDD = 5V
Output Accuracy vs Signal
Amplitude
CREST FACTOR
1.0
199.8
OUTPUT
VOLTAGE
(mV
DC)
200.0
200.2
200.4
200.6
2.0
3.0
4.0
5.0
1966 G15
200.8
201.0
1.5
2.5
3.5
4.5
20Hz
60Hz
100Hz
200mVRMS SCR WAVEFORMS
CAVE = 10F
VDD = 5V
O.1%/DIV
Performance vs Large Crest Factors
CREST FACTOR
1
OUTPUT
VOLTAGE
(mV
DC)
220
4
1966 G12
190
170
2
3
5
160
150
230
210
200
180
6
7
8
200mVRMS SCR WAVEFORMS
CAVE = 4.7F
VDD = 5V
5%/DIV
20Hz
100Hz
60Hz
250Hz
FUNDAMENTAL
FREQUENCY
DC Linearity
VIN1 (mV)
–500
V OUTDC
|V
INDC
|(mV) 0.02
0.06
0.10
300
1966 G14
–0.02
–0.06
0
0.04
0.08
–0.04
–0.08
–0.10
–300
–100
100
500
EFFECT OF OFFSETS
MAY BE POSITIVE
OR NEGATIVE
CAVE = 1F
VIN2 = GND
Quiescent Supply Currents
vs Supply Voltage
VDD SUPPLY VOLTAGE (V)
0
–25
SUPPLY
CURRENT
(A)
0
50
75
100
4
200
1966 G16
25
2
6
3
1
5
125
150
175
VSS = GND
IDD
ISS
Shutdown Currents
vs ENABLE Voltage
ENABLE PIN VOLTAGE (V)
0
250
200
IDD
IEN
150
100
50
0
–50
–100
500
250
0
–250
–500
3
5
1966 G18
1
2
4
6
SUPPLY
CURRENT
(A)
ENABLE
PIN
CURRENT
(nA)
VDD = 5V
ISS
VIN1 (mV ACRMS)
0
V OUT
(mV
DC)
V
IN
(mV
AC
RMS
)
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
400
1966 G13
100
200
300
500
350
50
150
250
450
60Hz SINEWAVES
CAVE = 1F
VIN2 = GND
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