LTC6915I 查看數據表（PDF） - Linear Technology
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LTC6915I
Linear Technology
LTC6915I Datasheet PDF : 18 Pages
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LTC6915
Electrical Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C.
CMRR
Common Mode Rejection Ratio
AV = 1024, VCM = –5V to 5V, LTC6915C
l 105 123
dB
AV = 1024, VCM = –4.9V to 4.9V, LTC6915I l 105
123
dB
AV = 1024, VCM = –5V to 5V, LTC6915I
l 100 123
dB
AV = 1024, VCM = –4.9V to 4.9V, LTC6915H l 100
dB
AV = 1024, VCM = –5V to 4.97V, LTC6915H l 90
dB
PSRR
Power Supply Rejection Ratio (Note 5)
VS = 2.7V to 11V
l 110 116
dB
Output Voltage Swing High
Sourcing 200µA
Sourcing 2mA
l 4.97 4.99
V
l 4.90 4.96
V
Output Voltage Swing Low
Sinking 200µA
Sinking 2mA
l
–4.98 –4.92
V
l
–4.90 –4.70
V
Supply Current, Parallel Mode
Supply Current, Serial Mode (Note 6)
No Load, VCM = 0mV
l
No Load at OUT, Capacitive Load at
l
DOUT (CL) = 15pF, Continuous CLK
Frequency = 4MHz, CS = LOW,
Gain Control Code = 0001
1.1
1.6
mA
1.73 2.48
mA
Supply Current, Shutdown
VSHDN = 4V (Hardware Shutdown)
l
VSHDN = 1V, Gain Control Code = 0000
l
(Software Shutdown)
25
µA
160 240
µA
SHDN Input High
l4
V
SHDN Input Low
V+ = 5V, V– = –5V, VREF = 0V
SHDN and HOLD_THRU Input Current (Note 2)
l
1
V
l
5
µA
Internal Op Amp Gain Bandwidth
200
kHz
Slew Rate
0.2
V/µs
Internal Sampling Frequency
3
kHz
Digital I/O, All Digital I/O Voltage Referenced to DGND
VIH
Digital Input High Voltage
VIL
Digital Input Low Voltage
VOH
Digital Output High Voltage
VOL
Digital Output Low Voltage
Digital Input Leakage
Timing, V+ = 2.7V to 4.5V, V– = 0V (Note 7)
Sourcing 500µA
Sinking 500µA
V+ = 5V, V– = –5V, VIN = 0V to 5V
l 2.0
l
l V+ – 0.3
l
l
V
0.8
V
V
0.3
V
±2
µA
t1
DIN Valid to CLK Setup
t2
DIN Valid to CLK Hold
t3
CLK Low
t4
CLK High
t5
CS/LD Pulse Width
t6
LSB CLK to CS/LD
t7
CS/LD Low to CLK
t8
DOUT Output Delay
t9
CLK Low to CS/LD Low
CL = 15pF
l 60
l0
l 100
l 100
l 60
l 60
l 30
l
l0
ns
ns
ns
ns
ns
ns
ns
125
ns
ns
6915fb
5
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