Datasheet

4
LTC1590
TYPICAL PERFORMANCE CHARACTERISTICS
UW
Differential Nonlinearity (DNL)
DIGITAL INPUT CODE
0
DIFFERENTIAL NONLINEARITY (LSB)
1024 2048
3072
4095
1590 G03
1.0
0.5
0
–0.5
–1.0
512 1536
2560
3584
Differential Nonlinearity vs
Reference Voltage
SUPPLY VOLTAGE (V)
DIFFERENTIAL NONLINEARITY (LSB)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1590 G09

234567
8910
V
REF
= 10V
V
REF
= 2V
Integral Nonlinearity (INL)
Integral Nonlinearity vs
Reference Voltage
REFERENCE VOLTAGE (V)
2
INTEGRAL NONLINEARITY (LSB)
10
1590 G05
4
6
8
0.20
0.15
0.10
0.05
0

357
9
V
DD
= 5V
Differential Nonlinearity vs
Supply Voltage
DIGITAL INPUT CODE
0
INTEGRAL NONLINEARITY (LSB)
1024 2048
3072
4095
1590 G02
1.0
0.5
0
–0.5
–1.0
512 1536
2560
3584
FREQUENCY (Hz)
100
ATTENUATION (dB)
0
10
20
30
40
50
60
70
80
90
100
1M
1590 G07
1k
10k
100k
10M
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
ALL BITS
OFF
ALL BITS
ON
Multiplying Mode Frequency
Response vs Digital Code
SUPPLY VOLTAGE (V)
INTEGRAL NONLINEARITY (LSB)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1590 G08

234567
8910
V
REF
= 10V
V
REF
= 2V
Integral Nonlinearity vs
Supply Voltage
REFERENCE VOLTAGE (V)
DIFFERENTIAL NONLINEARITY (LSB)

1590 G06
234567
8910
V
DD
= 5V
0.20
0.15
0.10
0.05
0

FREQUENCY (kHz)
1
SIGNAL-TO-(NOISE + DISTORTION) (dB)
–50
–60
–70
–80
–90
–100
–110
10 50
1590 G10
V
DD
= 5V
USING AN
LT1363 WITH
500kHz FILTER
USING AN LT1007
WITH 22kHz FILTER
Multiplying Mode Signal-to-
(Noise + Distortion) vs Frequency
TIME (500ns/DIV)
OUTPUT VOLTAGE (1V/DIV)
1590 G12
V
DD
= 5V
0V TO 5V OUTPUT RANGE
LT1363 OP AMP
C
FB
30pF
Full-Scale Settling Waveform