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參數(shù)資料
| 型號： | LTC1966CMS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 模擬專用變換器 |
| 英文描述： | Precision Micropower, SIGMA RMS-to-DC Converter |
| 中文描述： | RMS TO DC CONVERTER, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 3/32頁 |
| 文件大?。?/td> | 444K |
| 代理商： | LTC1966CMS8 |
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3
LTC1966
sn1966 1966fas
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specifications are T
A
= 25
°
C. V
DD
= 5V, V
SS
= –5V, V
OUTRTN
= 0V, C
AVE
= 10
μ
F, V
IN
= 200mV
RMS
,
V
ENABLE
= 0.5V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
Output Characteristics
OVR
Output Voltage Range
Z
OUT
Output Impedance
(Note 12)
CMRRO
Output Common Mode Rejection
(Note 13)
V
OMAX
Maximum Differential Output Swing
Accuracy = 2%, DC Input (Note 14)
ELECTRICAL CHARACTERISTICS
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The inputs (IN1, IN2) are protected by shunt diodes to V
SS
and
V
DD
. If the inputs are driven beyond the rails, the current should be limited
to less than 10mA.
Note 3:
The LTC1966 output (V
OUT
) is high impedance and can be
overdriven, either sinking or sourcing current, to the limits stated.
Note 4:
The LTC1966C/LTC1966I are guaranteed functional over the
operating temperature range of –40
°
C to 85
°
C.
Note 5:
The LTC1966C is guaranteed to meet specified performance from
0
°
C to 70
°
C. The LTC1966C is designed, characterized and expected to
meet specified performance from –40
°
C to 85
°
C but is not tested nor QA
sampled at these temperatures. The LTC1966I is guaranteed to meet
specified performance from –40
°
C to 85
°
C.
Note 6:
High speed automatic testing cannot be performed with
C
AVE
= 10
μ
F. The LTC1966 is 100% tested with C
AVE
= 22nF. Correlation
tests have shown that the performance limits above can be guaranteed
with the additional testing being performed to guarantee proper operation
of all the internal circuitry.
Note 7:
High speed automatic testing cannot be performed with 60Hz
inputs. The LTC1966 is 100% tested with DC and 10kHz input signals.
Measurements with DC inputs from 50mV to 350mV are used to calculate
the four parameters: G
ERR
, V
OOS
, V
IOS
and linearity error. Correlation tests
have shown that the performance limits above can be guaranteed with the
additional testing being performed to guarantee proper operation of all
internal circuitry.
Note 8:
The LTC1966 is inherently very linear. Unlike older log/antilog
circuits, its behavior is the same with DC and AC inputs, and DC inputs are
used for high speed testing.
Note 9:
The power supply rejections of the LTC1966 are measured with
DC inputs from 50mV to 350mV. The change in accuracy from V
DD
= 2.7V
to V
DD
= 5.5V with V
SS
= 0V is divided by 2.8V. The change in accuracy
from V
SS
= 0V to V
SS
= –5.5V with V
DD
= 5.5V is divided by 5.5V.
Note 10:
Previous generation RMS-to-DC converters required nonlinear
input stages as well as a nonlinear core. Some parts specify a “DC reversal
error,” combining the effects of input nonlinearity and input offset voltage.
The LTC1966 behavior is simpler to characterize and the input offset
voltage is the only significant source of “DC reversal error.”
MIN
TYP
MAX
UNITS
G
V
SS
75
V
DD
95
200
V
G
85
16
1.05
k
G
μ
V/V
1.0
0.9
V
V
G
PSRRO
Power Supply Rejection
V
DD
Supply (Note 9)
V
SS
Supply (Note 9)
G
G
250
50
1000
500
μ
V/V
μ
V/V
Frequency Response
f
1P
f
10P
f
–3dB
Power Supplies
V
DD
V
SS
I
DD
1% Additional Error (Note 15)
10% Additional Error (Note 15)
±
3dB Frequency (Note 15)
C
AVE
= 10
μ
F
C
AVE
= 10
μ
F
6
kHz
kHz
kHz
20
800
Positive Supply Voltage
Negative Supply Voltage
Positive Supply Current
G
2.7
–5.5
5.5
0
170
V
V
(Note 16)
IN1 = 20mV, IN2 = 0V
IN1 = 200mV, IN2 = 0V
IN1 = 20mV, IN2 = 0V
G
G
155
158
12
μ
A
μ
A
μ
A
I
SS
Shutdown Characteristics
I
DDS
I
SSS
I
IH
I
IL
V
TH
Negative Supply Current
G
20
Supply Currents
Supply Currents
ENABLE Pin Current High
ENABLE Pin Current Low
ENABLE Threshold Voltage
V
ENABLE
= 4.5V
V
ENABLE
= 4.5V
V
ENABLE
= 4.5V
V
ENABLE
= 0.5V
V
DD
= 5V, V
SS
= –5V
V
DD
= 5V, V
SS
= GND
V
DD
= 2.7V, V
SS
= GND
G
0.5
–0.1
–0.05
–1
2.4
2.1
1.3
0.1
10
μ
A
μ
A
μ
A
μ
A
V
V
V
V
G
–1
–0.3
–2
G
G
–0.1
V
HYS
ENABLE Threshold Hysteresis
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1967 | Precision Extended Bandwidth, RMS-to-DC Converter |
| LTC1967CMS8 | Precision Extended Bandwidth, RMS-to-DC Converter |
| LTC1967IMS8 | Precision Extended Bandwidth, RMS-to-DC Converter |
| LTTJ | Precision Extended Bandwidth, RMS-to-DC Converter |
| LTC1968 | Precision Wide Bandwidth, RMS-to-DC Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1966CMS8#PBF | 功能描述:IC PREC RMS/DC CONV MCRPWR 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:46 系列:- 電流 - 電源:1.2mA 電源電壓:±18 V，36 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件 |
| LTC1966CMS8#TR | 功能描述:IC PREC RMS/DC CONV MCRPWR 8MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:46 系列:- 電流 - 電源:1.2mA 電源電壓:±18 V，36 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件 |
| LTC1966CMS8#TRPBF | 功能描述:IC PREC RMS/DC CONV MCRPWR 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:46 系列:- 電流 - 電源:1.2mA 電源電壓:±18 V，36 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件 |
| LTC1966CMS8PBF | 制造商:Linear Technology 功能描述:RMS-to-DC Converter Prec. uPower MSOP8 |
| LTC1966HMS8#PBF | 功能描述:IC RMS/DC CONV MICROPWR 8-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:46 系列:- 電流 - 電源:1.2mA 電源電壓:±18 V，36 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件 |
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