AMC1304L05-Q1 Datasheet, PDF (19/39 Pages) Texas Instruments – High-Precision, Reinforced Isolated Delta-Sigma Modulators with LDO

www.ti.com
AMC1304L05-Q1, AMC1304L25-Q1, AMC1304M05-Q1, AMC1304M25-Q1
SBAS799 – FEBRUARY 2017
Typical Characteristics (continued)
At LDOIN = 15.0 V, DVDD = 3.3 V, AINP = –50 mV to 50 mV (AMC1304x05-Q1) or –250 mV to 250 mV (AMC1304x25-Q1),
AINN = 0 V, f_CLKIN = 20 MHz, and sinc³ filter with OSR = 256, unless otherwise noted.
110
0
105
-20
100
95
-40
90
-60
85
80
-80
75
-100
70
-120
65
60
-140
0
50
100
150
0
5 10 15 20 25 30 35 40
V_IN (mVpp)
D031
Frequency (kHz)
D032
AMC1304x05-Q1
AMC1304x05-Q1, 4096-point FFT, V_IN = 100 mV_PP
Figure 36. Spurious-Free Dynamic Range vs
Input Signal Amplitude
0
Figure 37. Frequency Spectrum with 1-kHz Input Signal
0
-20
-20
-40
-40
-60
-60
-80
-80
-100
-100
-120
-120
-140
0
5 10 15 20 25 30 35
Frequency (kHz)
AMC1304x05-Q1, 4096-point FFT, V_IN = 100 mV_PP
40
D033
Figure 38. Frequency Spectrum with 5-kHz Input Signal
0
-140
0
5 10 15 20 25 30 35
Frequency (kHz)
AMC1304x25-Q1, 4096-point FFT, V_IN = 500 mV_PP
40
D034
Figure 39. Frequency Spectrum with 1-kHz Input Signal
10
-20
9
-40
8
-60
7
-80
6
-100
5
-120
4
-140
0
5 10 15 20 25 30 35 40
Frequency (kHz)
D035
AMC1304x25-Q1, 4096-point FFT, V_IN = 500 mV_PP
Figure 40. Frequency Spectrum with 5-kHz Input Signal
3
4
6
8
10
12
14
16
18
V_LDOIN (V)
D036
Figure 41. LDO Input Supply Current vs
LDO Input Supply Voltage
Copyright © 2017, Texas Instruments Incorporated
Submit Documentation Feedback
19
Product Folder Links: AMC1304L05-Q1 AMC1304L25-Q1 AMC1304M05-Q1 AMC1304M25-Q1