Datasheet

LTC6915
5
6915fb
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C.
CMRR Common Mode Rejection Ratio A
V
= 1024, V
CM
= –5V to 5V, LTC6915C
A
V
= 1024, V
CM
= –4.9V to 4.9V, LTC6915I
A
V
= 1024, V
CM
= –5V to 5V, LTC6915I
A
V
= 1024, V
CM
= –4.9V to 4.9V, LTC6915H
A
V
= 1024, V
CM
= –5V to 4.97V, LTC6915H
l
l
l
l
l
105
105
100
100
90
123
123
123
dB
dB
dB
dB
dB
PSRR Power Supply Rejection Ratio (Note 5) V
S
= 2.7V to 11V
l
110 116 dB
Output Voltage Swing High Sourcing 200µA
Sourcing 2mA
l
l
4.97
4.90
4.99
4.96
V
V
Output Voltage Swing Low Sinking 200µA
Sinking 2mA
l
l
–4.98
–4.90
–4.92
–4.70
V
V
Supply Current, Parallel Mode No Load, V
CM
= 0mV
l
1.1 1.6 mA
Supply Current, Serial Mode (Note 6) No Load at OUT, Capacitive Load at
D
OUT
(C
L
) = 15pF, Continuous CLK
Frequency = 4MHz, CS = LOW,
Gain Control Code = 0001
l
1.73 2.48 mA
Supply Current, Shutdown V
SHDN
= 4V (Hardware Shutdown)
V
SHDN
= 1V, Gain Control Code = 0000
(Software Shutdown)
l
l
160
25
240
µA
µA
SHDN Input High
l
4 V
SHDN Input Low
l
1 V
V
+
= 5V, V
–
= –5V, V
REF
= 0V
SHDN and HOLD_THRU Input Current (Note 2)
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
V
IH
Digital Input High Voltage
l
2.0 V
V
IL
Digital Input Low Voltage
l
0.8 V
V
OH
Digital Output High Voltage Sourcing 500µA
l
V
+
– 0.3 V
V
OL
Digital Output Low Voltage Sinking 500µA
l
0.3 V
Digital Input Leakage V
+
= 5V, V
–
= –5V, V
IN
= 0V to 5V
l
±2 µA
Timing, V
+
= 2.7V to 4.5V, V
–
= 0V (Note 7)
t
1
D
IN
Valid to CLK Setup
l
60 ns
t
2
D
IN
Valid to CLK Hold
l
0 ns
t
3
CLK Low
l
100 ns
t
4
CLK High
l
100 ns
t
5
CS/LD Pulse Width
l
60 ns
t
6
LSB CLK to CS/LD
l
60 ns
t
7
CS/LD Low to CLK
l
30 ns
t
8
D
OUT
Output Delay C
L
= 15pF
l
125 ns
t
9
CLK Low to CS/LD Low
l
0 ns