
LTC1400
5
1400fa
Differential Nonlinearity vs
Output Code
Integral Nonlinearity vs
Output Code
S/(N + D) vs Input Frequency
and Amplitude
Signal-to-Noise Ratio (Without
Harmonics) vs Input Frequency
Peak Harmonic or Spurious Noise
vs Input Frequency
Acquisition Time vs
Source Impedance
Reference Voltage vs
Load Current
Power Supply Feedthrough vs
Ripple Frequency
Supply Current vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
U
W
OUTPUT CODE
0
DIFFERENTIAL
NONLINEARITY
(LSBs)
4096
1400 TPC01
1024
2048
3072
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
512
1536
2560
3584
fSAMPLE = 400kHz
OUTPUT CODE
0
INTEGRAL
NONLINEARITY
(LSBs)
4096
1400 TPC02
1024
2048
3072
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
512
1536
2560
3584
fSAMPLE = 400kHz
LOAD CURRENT (mA)
–8
REFERENCE
VOLTAGE
(V)
–4
0
2
2.435
2,430
2.425
2.420
2.415
2.410
2.405
2.400
2.395
2.390
1400 TPC03
–6
–2
–5
–1
1
–7
–3
INPUT FREQUENCY (kHz)
80
70
60
50
40
30
20
10
0
100
1400 TPC06
10
1000
SIGNAL/(NOISE
+
DISTORTION)
(dB)
VIN = 0dB
VIN = –20dB
VIN = –60dB
fSAMPLE = 400kHz
INPUT FREQUENCY (kHz)
80
70
60
50
40
30
20
10
0
100
1400 TPC07
10
1000
SIGNAL-TO-NOISE
RATIO
(dB)
fSAMPLE = 400kHz
INPUT FREQUENCY (kHz)
10
SPURIOUS-FREE
DYNAMIC
RANGE
(dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
100
1000
1400 TPC08
fSAMPLE = 400kHz
RSOURCE ()
10
ACQUISITION
TIME
(ns)
4500
4000
3500
3000
2500
2000
1500
1000
500
0
100
1000
10000
1400 TPC05
TA = 25°C
RIPPLE FREQUENCY (kHz)
1
AMPLITUDE
OF
POWER
SUPPLY
FEEDTHROUGH
(dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
10
100
1000
1400 TPC07.5
fSAMPLE = 400kHz
VCC (VRIPPLE = 1mV)
VSS (VRIPPLE = 10mV)
TEMPERATURE (
°C)
–50
SUPPLY
CURRENT
(mA)
20
15
10
5
0
–25
0
25
1400 TPC04
50
75
100 125
fSAMPLE = 400kHz