Datasheet

LTC2369-18
7
236918fa
SNR, SINAD vs Temperature,
f
IN
= 2kHz
THD, Harmonics vs Temperature,
f
IN
= 2kHz
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Temperature
Shutdown Current vs Temperature CMRR vs Input Frequency
Reference Current
vs Reference Voltage
INL/DNL vs Temperature
Full-Scale Error vs Temperature Offset Error vs Temperature
T
A
= 25°C, V
DD
= 2.5V, OV
DD
= 2.5V, REF = 5V,
f
SMPL
= 1.6Msps, unless otherwise noted.
TEMPERATURE (°C)
–55
SNR, SINAD (dBFS)
96.0
96.5
97.0
105
236918 G10
95.5
95.0
94.0
–15
25
65
–35 125
5
45
85
94.5
98.0
97.5
SNR
SINAD
TEMPERATURE (°C)
–55
–145
HARMONICS, THD (dBFS)
–140
–130
–125
–120
–110
THD
–35
45
85
236918 G11
–135
–115
25
125
–15
5
65 105
2ND
3RD
TEMPERATURE (°C)
–55
–1.0
INL/DNL ERROR (LSB)
–0.5
0
0.5
1.0
–35 –15 5 25
236918 G12
45 65 85 105 125
MAX INL
MAX DNL
MIN DNL
MIN INL
TEMPERATURE (°C)
–55
–20
FULL-SCALE ERROR (LSB)
–15
–5
5
20
0
10
15
–15
25
45 125
236918 G13
–10
–35 5
65
85
105
TEMPERATURE (°C)
–55
–10
OFFSET ERROR (LSB)
–8
0
–2
4
2
6
–15
25
45 125
236918 G14
–4
–6
–35 5
65
85
105
10
8
TEMPERATURE (°C)
–55
POWER SUPPLY CURRENT (mA)
4
5
6
105
236918 G15
3
2
0
–15
25
65
–35 125
5
45
85
1
8
7
I
VDD
I
REF
I
OVDD
TEMPERATURE (°C)
POWER-DOWN CURRENT (μA)
45
40
35
30
236918 G16
0
5
10
15
20
25
–55 –35 –15 5 25 45 65 85 105 125
I
VDD
+ I
OVDD
+ I
REF
FREQUENCY (kHz)
0 200100 400300 600500 700 800
70
CMRR (dB)
85
80
75
100
95
90
236918 G17
REFERENCE VOLTAGE (V)
2.5
0
REFERENCE CURRENT (mA)
0.1
0.3
0.4
0.5
3.5
4.5
5
0.9
236918 G18
0.2
34
0.6
0.7
0.8