Datasheet

LTC2370 -16
7
237016fa
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
= 2Msps, unless otherwise noted.
TEMPERATURE (°C)
POWER-DOWN CURRENT (µA)
45
40
35
30
237016 G16
0
5
10
15
20
25
–55 –35 –15 5 25 45 65 85 105 125
I
VDD
+ I
OVDD
+ I
REF
TEMPERATURE (°C)
–55
SNR, SINAD (dBFS)
93.0
93.5
94.0
105
237016 G10
92.5
92.0
–15
25
65
–35 125
5
45
85
95.0
94.5
SNR
SINAD
TEMPERATURE (°C)
–55
–140
HARMONICS, THD (dBFS)
–130
–135
–120
–115
–110
–100
THD
–35
45
85
237016 G11
–125
–105
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
237016 G12
45 65 85 105 125
MAX INL
MAX DNL
MIN DNL
MIN INL
TEMPERATURE (°C)
–55
POWER SUPPLY CURRENT (mA)
4
5
6
105
237016 G15
3
2
0
–15
25
65
–35 125
5
45
85
1
8
7
I
VDD
I
REF
I
OVDD
FREQUENCY (kHz)
0 200 400 600 1000800
70
CMRR (dB)
85
80
75
100
95
90
237016 G17
REFERENCE VOLTAGE (V)
2.5
0
REFERENCE CURRENT (mA)
0.4
3.5
4.5
5
1.2
237016 G18
0.2
3 4
0.6
0.8
1.0
TEMPERATURE (°C)
–55
–15
FULL-SCALE ERROR (LSB)
–10
0
5
10
15
–15
25
45 125
237016 G13
–5
–35 5
65
85
105
TEMPERATURE (°C)
–55
OFFSET ERROR (LSB)
–4
–2
2
0
–15
25
45 125
237016 G14
–35 5
65
85
105
4
–3
1
–1
3