ISL26102_14 Datasheet, PDF (8/21 Pages) Intersil Corporation – Low-Noise 24-bit Delta Sigma ADC

ISL26102, ISL26104
Typical Characteristics
1000
100
100
10
10
1
0.1
1
10
100
1000
FREQUENCY (Hz)
FIGURE 5. NOISE SPECTRAL DENSITY, 4kSPS, PGA GAIN = 1
1 _0.1
1
10
100
1000
FREQUENCY (Hz)
FIGURE 6. NOISE SPECTRAL DENSITY, 4kSPS, PGA GAIN = 128
A IN 1 +
A IN 2 +
A IN 1 -
A IN 2 -
AVDD
TEMP
SENSOR
1x
+
-
390
2x, 4x, 8x, 16x
32x, 64x, 128x
CAP
100nF
CAP
3^RD ORDER
ΔΣ
MODULATOR
PROGRAMMABLE
DIGITAL FILTER
S E R IA L
PORT
-
390
+
1x
FIGURE 7. ISL26102 (2 CHANNEL) BLOCK DIAGRAM
8
FN7608.0
October 12, 2012