LT1787 データシートの表示（PDF） - Linear Technology
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LT1787 Datasheet PDF : 16 Pages
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LT1787/LT1787HV
ELECTRICAL CHARACTERISTICS (Note 5)
The ● denotes the specifications which apply over the temperature range 0°C ≤ TA ≤ 70°C, otherwise specifications are at TA = 25°C.
Total supply = (VS– – VEE) = 2.5V to 36V (LT1787C), 2.5V to 60V (LT1787HVC) unless otherwise specified.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Input Offset Voltage (MS8)
IOUT = 0, VS Supply = 5V
0°C ≤ TA ≤ 70°C
●
IOUT = 0 (LT1787)
0°C ≤ TA ≤ 70°C
●
IOUT = 0 (LT1787HV)
0°C ≤ TA ≤ 70°C
●
VOS TC Temperature Coefficient of VOS VS Supply = 5V (Note 6)
●
IOUT(O) No-Load Output Current Error VSENSE = 0V
VOUT(O) No-Load Output Voltage Error VSENSE = 0V, VS Supply = 5V
(S8)
0°C ≤ TA ≤ 70°C
●
No-Load Output Voltage Error VSENSE = 0V, VS Supply = 5V
(MS8)
0°C ≤ TA ≤ 70°C
●
gm
Tranconductance, IOUT/ VSENSE ±VSENSE = 10mV, 50mV, 100mV, 150mV, 250mV,
VS Supply = Total Supply + |VSENSE|
AV
Gain, VOUT/ VSENSE
±VSENSE = 100mV, VS Supply = 5V
●
Output Voltage Gain Error
±VSENSE = 100mV, VS Supply = 5V
●
VS PSRR VS Supply Rejection Ratio
VSENSE = 0V, VS Supply = 2.5V to 36V (LT1787)
●
VSENSE = 0V, VS Supply = 2.5V to 60V (LT1787HV)
●
VEE PSRR Negative Supply Rejection Ratio VSENSE = 0V, VS Supply = 15V, VBIAS = 0V,
●
VEE = – 1V to – 15V (LT1787)
VSENSE = 0V, VS Supply = 40V, VBIAS = 0V,
●
VEE = – 1V to – 15V (LT1787HV)
∆VOS
∆VBIAS
IS+(O)
IS–(O)
Change in Input Offset Voltage
with Change in VBIAS Voltage
Positive Input Sense Current
Negative Input Sense Current
VSENSE = 0V, VS Supply = 36V, VBIAS = 0.5V to 25V (LT1787) ●
VSENSE = 0V, VS Supply = 60V, VBIAS = 0.5V to 25V (LT1787HV) ●
VSENSE = 0V
●
VSENSE = 0V
●
IEE(O)
Negative Supply Current
VSENSE = 0V
●
IOUT
Output Current
VSENSE = ±128mV
VOUT
Output Voltage
VSENSE = ±128mV, VS+ ≥ 3.3V
Ripple Rejection
VS+ = VS– = 20V, ∆VS Supply = 1V, f = 1kHz
●
VOMIN
Minimum Output Voltage
VSENSE = 0V, VBIAS = 0V
VSENSE = VS+ – VS– = –128mV, VBIAS = 0V
VSENSE = 0V, VBIAS = 0V
●
VSENSE = VS+ – VS– = –128mV, VBIAS = 0V
Unipolar Output
Saturation Voltage
VSENSE = 2mV, VBIAS = 0V
VSENSE = 4mV, VBIAS = 0V
VSENSE = 5mV, VBIAS = 0V
VSENSE = 6mV, VBIAS = 0V
VSENSE = 2mV, VBIAS = 0V
●
VSENSE = 4mV, VBIAS = 0V
●
VSENSE = 5mV, VBIAS = 0V
●
VSENSE = 6mV, VBIAS = 0V
●
VOMAX Maximum Output Voltage
RG1A, RG2A Input Gain-Setting Resistor
Pin 1 to Pin 2, Pin 7 to Pin 8
ROUT
Output Resistor
Pin 5 to Pin 6
– 125 ±40 125
– 230
230
– 150
150
– 250
250
– 150
150
– 250
250
0.5
2
4
– 600
600
– 1080
1080
– 1000
1000
– 1840
1840
400
7.76
8
8.24
–3
1
3
120 135
120 135
100 130
100 130
100 130
100 130
10
20
50 100
60 120
± 50
VBIAS ±1.024
80
88
30
45
10
30
49
10
32
50
38
55
43
60
49
65
32
54
38
59
43
64
49
69
VS+ – 0.75
1.25
20
µV
µV
µV
µV
µV
µV
µV/°C
nA
µV
µV
µV
µV
µA/V
V/V
%
dB
dB
dB
dB
dB
dB
µA
µA
µA
µA
V
dB
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
V
kΩ
kΩ
1787fc
3
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