LTC6652AHMS8-1.25-PBF LINER [Linear Technology], LTC6652AHMS8-1.25-PBF Datasheet - Page 9

• Manufacturer Part Number: LTC6652AHMS8-1.25-PBF
• Description: Precision Low Drift Low Noise Buffered Reference
• Manufacturer: LINER [Linear Technology]

pin Functions
DNC (Pin 1): Do Not Connect.
V
V
supply is 13.2V. Bypassing V
GND will improve PSRR.
SHDN (Pin 3): Shutdown Input. This active low input
powers down the device to <2µA. For normal operation
tie this pin to V
LTC6652s. Curves from the LTC6652-1.25, LTC6652-2.5 and the LTC6652-5 represent the extremes and typical of the voltage options.
Characteristic curves for other output voltages fall between these curves and can be estimated based on their output.
typical perForMance characteristics
IN
OUT
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
(Pin 2): Power Supply. The minimum supply input is
0
0.01
+ 300mV or 2.7V; whichever is higher. The maximum
Power Supply Rejection Ratio
vs Frequency
0.1
FREQUENCY (kHz)
IN
.
1
C
OUT
10
C
= 0µF
OUT
C
OUT
= 10µF
100
IN
= 1µF
with a 0.1µF capacitor to
6652 G07
1000
100
0.1
10
1
0.01
Output Impedance vs Frequency
0.1
FREQUENCY (kHz)
C
OUT
C
OUT
= 1µF
1
GND (Pin 4): Device Ground.
V
required. For some applications, a capacitor between 0.1µF
to 10µF can be beneficial. See the graphs in the Typical
Performance Characteristics section for further details.
GND (Pins 5,7,8): Internal Function. Ground these pins.
OUT
= 10µF
C
OUT
= 0µF
(Pin 6): Output Voltage. An output capacitor is not
10
Characteristic curves are similar for most
6652 G08
100
2.5
2.0
1.0
1.5
0.5
0
2
SHDN Input Voltage Thresholds
vs V
IN
4
6
V
IN
LTC6652
8
(V)
V
10
TH(UP)
V
TH(DN)
12
6652 G13
6652fd
9
14