LTC6912 データシートの表示（PDF） - Linear Technology
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LTC6912 Datasheet PDF : 24 Pages
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LTC6912
ELECTRICAL CHARACTERISTICS The ● denotes the specifications that apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VS = 5V, AGND = 2.5V, Gain = 1, RL = 10k to midsupply point, unless
otherwise noted.
PARAMETER
CONDITIONS
Specifications for Both the LTC6912-1 and the LTC6912-2
Total Supply Voltage (VS)
●
Supply Current per Channel
Both Amplifiers Active (Gain = 1)
VS = 2.7V, VINA = VINB = VAGND
●
VS = 5V, VINA = VINB = VAGND
●
VS = ±5V, VINA = VINB = 0V
●
Supply Current per Channel
(Software Shutdown)
Both Amplifiers Inactive (State 1000)
VS = 2.7V, VINA = VINB = VAGND
●
VS = 5V, VINA = VINB = VAGND
●
VS = ±5V, VINA = VINB = 0V
●
Total-Supply Current
VS = 2.7V, VSHDN = 2.43V
●
(Hardware Shutdown,
VS = 5V, VSHDN = 4.5V
●
GN-16 Package Only)
VS = ±5V, VSHDN = 4.5V
●
Output Voltage Swing LOW
(Note 4)
VS = 2.7V, RL = 10k Tied to Midsupply Point ●
VS = 2.7V, RL = 500Ω Tied to Midsupply Point ●
VS = 5V, RL = 10k Tied to Midsupply Point ●
VS = 5V, RL = 500Ω Tied to Midsupply Point ●
VS = ±5V, RL = 10k Tied to 0V
●
VS = ±5V, RL = 500Ω Tied to 0V
●
Output Voltage Swing HIGH
(Note 4)
VS = 2.7V, RL = 10k Tied to Midsupply Point ●
VS = 2.7V, RL = 500Ω Tied to Midsupply Point ●
VS = 5V, RL = 10k Tied to Midsupply Point ●
VS = 5V, RL = 500Ω Tied to Midsupply Point ●
VS = ±5V, RL = 10k Tied to 0V
●
VS = ±5V, RL = 500Ω Tied to 0V
●
Output Short-Circuit Current
VS = 2.7V
●
(Note 5)
VS = ±5V
●
AGND Open-Circuit Voltage
(GN-16 Package Only)
VS = Single 5V Supply, VSHDN = 0.5V
●
VS = Single 5V Supply, VSHDN = 4.5V
AGND (Common Mode)
VS = Single 2.7V Supply
●
Input Voltage Range
VS = Single 5V Supply
●
VS = ±5V
●
AGND Rejection (i.e., Common
VS = 2.7V, VAGND = 1.1V to 1.6V
●
Mode Rejection or CMRR)
VS = ±5V, VAGND = –2.5V to 2.5V
●
Power Supply Rejection Ratio (PSRR) VS =2.7V to ±5V
●
Slew Rate
Gain = 1
VS = 5V, VOUTA = VOUTB = 1.1V to 3.9V
VS = ±5V, VOUTA = VOUTB = ±1.4V
Gain = 10 (–1), Gain = 8 (–2)
VS = 5V, VOUTA = VOUTB = 1.1V to 3.9V
VS = ±5V, VOUTA = VOUTB = ±1.4V
Signal Attenuation at Gain = 0 Setting Gain = 0 (Digital Inputs 0000),
●
f = 200kHz
Signal Attenuation in Software
(State = 1000)
●
Shutdown
C, I GRADES
MIN TYP MAX
2.7
10.5
1.75 2.75
2.0 3.0
2.25 3.5
150 255
200 325
265 750
0.3 2
3.6 10
20 50
12 30
60 110
20 40
100 170
30 50
190 260
10 20
50 80
15 30
90 160
20 40
180 250
±27
±35
2.45 2.5 2.55
2.65
0.55
1.6
0.75
3.65
– 4.3
3.2
55 80
55 75
60 80
12
16
20
26
–120
–120
H GRADE
MIN TYP MAX
2.7
10.5
1.75 3.0
2.0 3.25
2.25 3.75
150 280
200 350
265 750
0.3
5
3.6
10
20
50
12
35
50 125
20
45
90 190
30
60
80 290
10
25
50
90
15
35
80 175
20
45
180 270
±27
±35
2.45 2.5 2.55
2.65
0.55
1.6
0.75
3.65
– 4.3
3.2
50 80
50 75
57 80
12
16
20
26
–120
–120
UNITS
V
mA
mA
mA
µA
µA
µA
µA
µA
µA
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
V
V
V
V
V
dB
dB
dB
V/µs
V/µs
V/µs
V/µs
dB
dB
6912fa
4
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