LTC2379-18
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V,
REF = 5V, fSMPꢀ = 1.6Msps, unless otherwise noted.
SNR, SINAD vs Temperature,
fIN = 2kHz
THD, Harmonics vs Temperature,
fIN = 2kHz
INꢀ/DNꢀ vs Temperature
103
102
101
100
99
–110
–115
–120
–125
–130
–135
2
1
SIR
SꢁIAD
MAX ꢁIL
THD
MAX DIL
3RD
0
MꢁI DIL
MꢁI ꢁIL
98
2ID
–1
–2
97
96
–55 –35 –15
5
25 45 65 85 105 125
–55 –35 –15
5
25 45 65 85 105 125
–55 –35 –15
5
25 45 65 85 105 125
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
237918 G08
237918 G09
237918 G10
Full-Scale Error vs Temperature
Offset Error vs Temperature
Supply Current vs Temperature
2.0
1.5
8
7
6
5
4
3
2
1
0
8
6
ꢁ
VDD
–FS
1.0
4
0.5
2
0
0
–0.5
–1.0
–1.5
–2.0
–2
–4
–6
–8
ꢁ
REF
+FS
ꢁ
OVDD
–55 –35 –15
5
25 45 65 85 105 125
–55 –35 –15
5
25 45 65 85 105 125
–55 –35 –15
5
25 45 65 85 105 125
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
237918 G12
237918 G13
237918 G11
Reference Current vs
Reference Voltage
Shutdown Current vs Temperature
CMRR vs Input Frequency
45
40
35
30
25
20
15
10
5
100
95
90
85
80
75
70
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
ꢁ
+ ꢁ
+ ꢁ
VDD OVDD REF
0
2.5
3.0
3.5
4.0
4.5
5.0
0
200
400
600
800
–55 –35 –15
5
25 45 65 85 105 125
REFEREICE VOLTAGE (V)
FREQUEICY (kHz)
TEMPERATURE (°C)
237918 G14
237918 G15
237918 G18
237918fa
7
Linear Systems [ Linear Systems ]
