參數(shù)資料
型號: LTC2990IMS#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝: LEAD FREE, PLASTIC, MSOP-10
文件頁數(shù): 18/24頁
文件大?。?/td> 236K
代理商: LTC2990IMS#PBF
LTC2990
3
2990fa
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 3.3V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Res
Resolution (No Missing Codes)
(Note 2)
l
14
Bits
INL
Integral Nonlinearity
2.9V ≤ VCC ≤ 5.5V, VIN(CM) = 1.5V
(Note 2)
Single-Ended
Differential
l
–2
2
LSB
CIN
V1 Through V4 Input Sampling
Capacitance
(Note 2)
0.35
pF
IIN(AVG)
V1 Through V4 Input Average Sampling
Current
0V ≤ VN ≤ 3V (Note 2)
0.6
A
IDC_LEAK(VIN)
V1 Through V4 Input Leakage Current
0V ≤ VN ≤ VCC
l
–10
10
nA
Measurement Delay
TINT, TR1, TR2
Per Configured Temperature Measurement (Note 2)
l
37
46
55
ms
V1, V2, V3, V4
Single-Ended Voltage Measurement
(Note 2) Per Voltage, Two Minimum l
1.2
1.5
1.8
ms
V1 – V2, V3 – V4
Differential Voltage Measurement
(Note 2)
l
1.2
1.5
1.8
ms
VCC
VCC Measurement
(Note 2)
l
1.2
1.5
1.8
ms
Max Delay
Mode[4:0] = 11101, TINT, TR1, TR2, VCC
(Note 2)
l
167
ms
V1, V3 Output (Remote Diode Mode Only)
IOUT
Output Current
Remote Diode Mode
l
260
350
A
VOUT
Output Voltage
l
0
VCC
V
I2C Interface
VADR(L)
ADR0, ADR1 Input Low Threshold Voltage Falling
l
0.3 VCC
V
VADR(H)
ADR0, ADR1 Input High Threshold Voltage Rising
l
0.7 VCC
V
VOL1
SDA Low Level Maximum Voltage
IO = –3mA, VCC = 2.9V to 5.5V
l
0.4
V
VIL
Maximum Low Level Input Voltage
SDA and SCL Pins
l
0.3 VCC
V
VIH
Minimum High Level Input Voltage
SDA and SCL Pins
l
0.7 VCC
V
ISDAI,SCLI
SDA, SCL Input Current
0 < VSDA,SCL < VCC
l
±1
A
IADR(MAX)
Maximum ADR0, ADR1 Input Current
ADR0 or ADR1 Tied to VCC or GND l
±1
A
I2C Timing (Note 2)
fSCL(MAX)
Maximum SCL Clock Frequency
400
kHz
tLOW
Minimum SCL Low Period
1.3
s
tHIGH
Minimum SCL High Period
600
ns
tBUF(MIN)
Minimum Bus Free Time Between Stop/
Start Condition
1.3
s
tHD,STA(MIN)
Minimum Hold Time After (Repeated)
Start Condition
600
ns
tSU,STA(MIN)
Minimum Repeated Start Condition Set-Up
Time
600
ns
tSU,STO(MIN)
Minimum Stop Condition Set-Up Time
600
ns
tHD,DATI(MIN)
Minimum Data Hold Time Input
0
ns
tHD,DATO(MIN)
Minimum Data Hold Time Output
300
900
ns
tSU,DAT(MIN)
Minimum Data Set-Up Time Input
100
ns
tSP(MAX)
Maximum Suppressed Spike Pulse Width
50
250
ns
CX
SCL, SDA Input Capacitance
10
pF
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: Guaranteed by design and not subject to test.
Note 3: Integral nonlinearity is defined as the deviation of a code from a
straight line passing through the actual endpoints of the transfer curve.
The deviation is measured from the center of the quantization band.
Note 4: Trimmed to an ideality factor of 1.004 at 25°C. Remote diode
temperature drift (TUE) verified at diode voltages corresponding to
the temperature extremes with the LTC2990 at 25°C. Remote diode
temperature drift (TUE) guaranteed by characterization over the LTC2990
operating temperature range.
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