參數(shù)資料
型號(hào): LTC1966MPMS8#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 模擬專用變換器
英文描述: RMS TO DC CONVERTER, PDSO8
封裝: LEAD FREE, PLASTIC, MSOP-8
文件頁數(shù): 23/38頁
文件大?。?/td> 387K
代理商: LTC1966MPMS8#TRPBF
LTC1966
3
1966fb
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDD = 5V, VSS = –5V, VOUTRTN = 0V, CAVE = 10F, VIN = 200mVRMS,
VENABLE = 0.5V unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PSRR
Power Supply Rejection
(Note 9)
LTC1966C, LTC1966I
LTC1966H, LTC1966MP
l
0.02
0.15
0.20
0.3
%V
VIOS
Input Offset Voltage
(Notes 6, 7, 10)
l
0.02
0.8
1.0
mV
Accuracy vs Crest Factor (CF)
CF = 4
60Hz Fundamental, 200mVRMS (Note 11)
l
–1
2
mV
CF = 5
60Hz Fundamental, 200mVRMS (Note 11)
l
–20
30
mV
Input Characteristics
IVR
Input Voltage Range
(Note 14)
l
VSS
VDD
V
ZIN
Input Impedance
Average, Differential (Note 12)
Average, Common Mode (Note 12)
8
100
CMRRI
Input Common Mode Rejection
(Note 13)
l
7
200
V/V
VIMAX
Maximum Input Swing
Accuracy = 1% (Note 14)
l
1
1.05
V
VIMIN
Minimum RMS Input
l
5
mV
PSRRI
Power Supply Rejection
VDD Supply (Note 9)
VSS Supply (Note 9)
l
250
120
600
300
V/V
Output Characteristics
OVR
Output Voltage Range
l
VSS
VDD
V
ZOUT
Output Impedance
VENABLE = 0.5V (Note 12)
VENABLE = 4.5V
l
75
85
30
95
CMRRO
Output Common Mode Rejection
(Note 13)
l
16
200
V/V
VOMAX
Maximum Differential Output Swing
Accuracy = 2%, DC Input (Note 14)
l
1.0
0.9
1.05
V
PSRRO
Power Supply Rejection
VDD Supply (Note 9)
VSS Supply (Note 9)
l
250
50
1000
500
V/V
Frequency Response
f1P
1% Additional Error (Note 15)
CAVE = 10F
6
kHz
f10P
10% Additional Error (Note 15)
CAVE = 10F
20
kHz
f–3dB
±3dB Frequency (Note 15)
800
kHz
Power Supplies
VDD
Positive Supply Voltage
l
2.7
5.5
V
VSS
Negative Supply Voltage
(Note 16)
l
–5.5
0
V
IDD
Positive Supply Current
IN1 = 20mV, IN2 = 0V
IN1 = 200mV, IN2 = 0V
l
155
158
170
A
ISS
Negative Supply Current
IN1 = 20mV, IN2 = 0V
l
12
20
A
Shutdown Characteristics
IDDS
Supply Currents
VENABLE = 4.5V
l
0.5
10
A
ISSS
Supply Currents
VENABLE = 4.5V
LTC1966H, LTC1966MP
l
–1
–2
–0.1
A
IIH
ENABLE Pin Current High
VENABLE = 4.5V
l
–0.3
–0.05
A
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