Datasheet

LTC2389-16
8
238916f
Supply Current
vs Sampling Frequency
Full-Scale Error vs Temperature
Power-Down Current
vs Temperature CMRR vs Input Frequency
Offset Error vs Temperature Supply Current vs Temperature
typical perFormance characteristics
T
A
= 25°C, V
DD
= 5V, OV
DD
= 2.5V, V
REF
= 4.096V
External Reference, Fully Differential Range (PD/FD = 0V), V
CM
= 2.048V, f
SMPL
= 2.5Msps, unless otherwise noted.
THD, Harmonics vs Temperature,
f
IN
= 2kHz
SNR, SINAD vs Temperature,
f
IN
= 2kHz INL/DNL vs Temperature
–55 –15
25
45 125
–35 5
65
85
105
TEMPERATURE (°C)
SNR, SINAD (dB)
96
98
94
95
93
97
238916 G10
SNR
SINAD
–55 –15
25
45 125
–35 5
65
85
105
TEMPERATURE (°C)
THD, HARMONICS (dB)
–120
–110
–130
–125
–135
–115
238916 G11
THD
2ND
3RD
–55 –15
25
45 125
–35 5
65
85
105
TEMPERATURE (°C)
INL/DNL ERROR (LSB)
0
1.0
–0.5
–1.0
0.5
238916 G12
MAX INL
MAX DNL
MIN DNL
MIN INL
–55 –15
25
45 125
–35 5
65
85
105
TEMPERATURE (°C)
OFFSET ERROR (LSB)
0
1.0
–0.5
–1.0
0.5
238916 G13
–55 –15
25
45 125
–35 5
65
85
105
TEMPERATURE (°C)
FULL-SCALE ERROR (LSB)
–10
15
20
25
–20
5
–15
10
–25
0
–5
238916 G14
–FS
+FS
–55 –15
25
45 125
–35 5
65
85
105
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
20
35
10
15
5
0
30
25
238916 G15
I
VDD
I
OVDD
–55 –15
25
45 125
–35 5
65
85
105
TEMPERATURE (°C)
POWER-DOWN CURRENT (µA)
40
80
20
70
30
10
0
60
50
238916 G16
I
VDD
+ I
OVDD
1 100 100010 10000
SAMPLING FREQUENCY (kHz)
15
SUPPLY CURRENT (mA)
25
0
5
35
20
30
10
I
OVDD
I
VDD
238916 G17
FREQUENCY (kHz)
0
CMRR (dB)
70
75
65
60
500 1000
250
750 1250
55
50
80
238916 G18