LTC1400 LINER [Linear Technology], LTC1400 Datasheet - Page 5

• Manufacturer Part Number: LTC1400
• Description: Complete SO-8, 12-Bit, 400ksps ADC with Shutdown
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
2.435
2,430
2.425
2.420
2.415
2.410
2.405
2.400
2.395
2.390
–0.25
–0.50
–0.75
–1.00
1.00
0.75
0.50
0.25
80
70
60
50
40
30
20
10
0
0
–8
10
0
Differential Nonlinearity vs
Output Code
Signal-to-Noise Ratio (Without
Harmonics) vs Input Frequency
Reference Voltage vs
Load Current
f
f
SAMPLE
SAMPLE
–7
512
–6
1024
= 400kHz
= 400kHz
INPUT FREQUENCY (kHz)
LOAD CURRENT (mA)
–5
1536
OUTPUT CODE
–4
2048
100
–3
–2
2560
–1
W
3072
LTC1400 • TPC01
LTC1400 • TPC03
LTC1400 • TPC07
0
3584
1
U
1000
4096
2
–0.25
–0.50
–0.75
–100
–1.00
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
1.00
0.75
0.50
0.25
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
10
Integral Nonlinearity vs
Output Code
0
Peak Harmonic or Spurious Noise
vs Input Frequency
Power Supply Feedthrough vs
Ripple Frequency
1
f
f
SAMPLE
f
SAMPLE
SAMPLE
512
V
SS
1024
= 400kHz
= 400kHz
RIPPLE FREQUENCY (kHz)
INPUT FREQUENCY (kHz)
= 400kHz
(V
RIPPLE
10
1536
OUTPUT CODE
V
= 10mV)
CC
2048
100
(V
RIPPLE
2560
100
= 1mV)
3072
LTC1400 • TPC02
LTC1400 • TPC07.5
LTC1400 • TPC08
3584
1000
4096
1M
4500
4000
3500
3000
2500
2000
1500
1000
500
20
15
10
80
70
60
50
40
30
20
10
5
0
0
0
–50
10
10
Acquisition Time vs
Source Impedance
Supply Current vs Temperature
S/(N + D) vs Input Frequency
and Amplitude
T
f
V
V
V
SAMPLE
A
IN
IN
IN
–25
= 25 C
= 0dB
= –20dB
= – 60dB
= 400kHz
INPUT FREQUENCY (kHz)
0
TEMPERATURE ( C)
100
R
SOURCE
25
100
50
LTC1400
( )
f
SAMPLE
1000
75
= 400kHz
LTC1400 • TPC04
LTC1400 • TPC05
LTC1400 • TPC06
100
5
10000
1000
125