Datasheet

LTC2315-12
7
231512fa
For more information www.linear.com/LTC2315-12
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Temperature
Shutdown Current vs Temperature
Supply Current vs SCK Frequency
Reference Current
vs Reference Voltage
Full-Scale Error vs Temperature Offset Error vs Temperature
SNR, SINAD vs Reference Voltage
f
IN
= 500kHz
THD, Harmonics vs Temperature,
f
IN
= 500kHz
T
A
= 25°C, V
DD
= 5V, OV
DD
= 2.5V, f
SMPL
= 5Msps,
unless otherwise noted.
REFERENCE VOLTAGE (V)
2
70
SNR, SINAD (dBFS)
71
72
73
74
2.5 3 3.5 4 4.5
231512 G10
SNR
SNR
SINAD
SINAD
V
DD
= 3.6V
OPERATION
NOT ALLOWED
V
DD
= 5V
REFERENCE VOLTAGE (V)
2
0
REFERENCE CURRENT (µA)
200
100
300
400
500
600
2.5 3 3.5 4 4.5
231512 G11
V
DD
= 3.6V
f
S
= 5Msps
f
S
= 5Msps
f
S
= 3Msps
f
S
= 3Msps
OPERATION
NOT ALLOWED
V
DD
= 5V
TEMPERATURE (°C)
–55
–4
FULL-SCALE ERROR (LSB)
–1
0
–3
–2
1
2
3
4
–35 –15 5 4525 8565 105 125
231512 G12
TEMPERATURE (°C)
–55
–1
OFFSET ERROR (LSB)
0
–0.5
0.5
1
–35 –15 5 4525 8565 105 125
231512 G13
TEMPERATURE (°C)
–55
5
SUPPLY CURRENT (mA)
5.75
5.5
5.25
6
6.5
6.25
–35 –15 5 4525 8565 105 125
231512 G14
V
DD
= 5V
V
DD
= 3V
TEMPERATURE (°C)
–55
0
SHUTDOWN CURRENT (µA)
0.25
0.5
1
0.75
–35 –15 5 4525 8565 105 125
231512 G15
V
DD
= 5V
V
DD
= 3V
I
VDD
+ I
OVDD
SCK FREQUENCY (MHz)
10
0
SUPPLY CURRENT (mA)
2
4
7
5
3
1
6
20 30 5040 7060 80 90
231512 G16
I
TOT
I
VDD
V
DD
= 3V
OV
DD
= 1.8V
I
OVDD
TEMPERATURE (°C)
–55 –35
–100
–95
THD, HARMONICS (dB)
–90
–85
–80
–75
–15 5 25 45 65 85 105 125
231512 G08a
THD
3RD
2ND
V
DD
= 5V