參數(shù)資料
型號: LTC6102IMS#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO8
封裝: PLASTIC, MSOP-8
文件頁數(shù): 18/20頁
文件大?。?/td> 257K
代理商: LTC6102IMS#TR
LTC6102/LTC6102HV
7
6102fa
Step Response Rising Edge
Step Response Falling Edge
PSRR vs Frequency
Input Referred Noise
0.1Hz to 10Hz
Noise Spectral Density
–INS (Pin 1): Amplier Inverting Input. When tied to –INF,
the internal sense amplier will drive –INS to the same
potential as +IN.
–INF (Pin 2): Force Input. This pin carries the input
current from RIN and must be tied to –INS near RIN. A
resistor (RIN) tied from V+ to –INF sets the output current
IOUT = VSENSE/RIN. VSENSE is the voltage across the ex-
ternal RSENSE.
V(Pins 3, 5):
Negative Supply.
OUT (Pin 4): Open-Drain Current output. OUT will source a
current that is proportional to the sense voltage into an ex-
ternal resistor. IOUT is the same current that enters –INF.
VREG (Pin 6): Internal Regulated Supply. A 0.1μF (or
larger) capacitor should be tied from VREG to V+. VREG is
not designed to drive external circuits.
V+ (Pin 7):
Positive Supply. Supply current is drawn
through this pin.
+IN (Pin 8): Amplier Non-Inverting Input. Must be tied
to the system load end of the sense resistor.
Exposed Pad (Pin 9, DFN Only): V. The Exposed Pad
must be soldered to PCB.
PIN FUNCTIONS
TYPICAL PERFORMANCE CHARACTERISTICS
5.5V
5V
0.5V
0V
TIME (500ns/DIV)
6102 G17
VOUT
VSENSE
= 100mV
IOUT = 100μA
IOUT = 0
TA = 25°C
V+ = 12V
RIN = 100Ω
ROUT = 4.99k
VSENSE
+ = V+
5.5V
5V
0.5V
0V
6102 G18
VOUT
VSENSE
= 100mV
IOUT = 100μA
IOUT = 0
TIME (500ns/DIV)
TA = 25°C
V+ = 12V
RIN = 100Ω
ROUT = 4.99k
VSENSE
+ = V+
FREQUENCY (Hz)
PSRR
(dB)
0.1
1
10
100
1k
10k
100k
1M
6102 G19
160
140
120
100
80
60
40
20
V+ = 12V
RIN = 100Ω
ROUT = 4.99k
AV = 49.9
IOUT = 500μA
6102 G20
TA = 25°C
V+ = 12V
RIN = 10Ω
ROUT = 1k
VSENSE = 2mV
TIME (s)
NOISE
(
μ
V)
0123456789
10
5
4
3
2
1
0
–5
–4
–3
–2
–1
VOL
TAGE
NOISE
DENSIT
Y
(
μ
V/
Hz)
FREQUENCY (Hz)
100
2
1
0
1k
10k
1M
100k
6102 G21
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