ISL26134AVZ-T7A Intersil, ISL26134AVZ-T7A Datasheet - Page 9

• Manufacturer Part Number: ISL26134AVZ-T7A
• Description: Analog to Digital Converters - ADC ISL26134AVZ LW-NOISE 24BIT DELTASIGMA ADC
• Manufacturer: Intersil

Specifications of ISL26134AVZ-T7A

• Product Category: Analog to Digital Converters - ADC
• Rohs: yes
• Number Of Channels: 4
• Architecture: Sigma-Delta
• Conversion Rate: 80 sps
• Resolution: 24 bit
• Input Type: Differential
• Snr: No
• Interface Type: Serial (2-Wire)
• Operating Supply Voltage: 5 V
• Maximum Operating Temperature: + 105 C
• Package / Case: TSSOP-28
• Maximum Power Dissipation: 68 mW
• Minimum Operating Temperature: - 40 C
• Number Of Converters: 1
• Voltage Reference: External

Typical Characteristics
-10
-30
-50
-15
-25
-10
-15
-20
-25
50
30
10
25
15
25
20
15
10
-5
-5
5
5
0
0
0
0
GAIN = 128
RATE = 10Sps
GAIN = 1
RATE = 80Sps
GAIN = 2
RATE = 80Sps
FIGURE 8. NOISE AT GAIN = 128, 10Sps
FIGURE 10. NOISE AT GAIN = 1, 80Sps
FIGURE 12. NOISE AT GAIN = 2, 80Sps
200
200
200
TIME (SAMPLES)
TIME (SAMPLES)
TIME (SAMPLES)
400
400
400
9
600
600
600
(Continued)
ISL26132, ISL26134
800
800
800
1000
1000
1000
120
100
120
100
60
50
40
30
20
10
80
60
40
20
80
60
40
20
0
FIGURE 9. NOISE HISTOGRAM AT GAIN = 128, 10Sps
0
0
FIGURE 11. NOISE HISTOGRAM AT GAIN = 1, 80Sps
FIGURE 13. NOISE HISTOGRAM AT GAIN = 2, 80Sps
-15
-30 -25 -20 -15 -10
-15
GAIN = 1, N = 1024
RATE = 80Sps
STD DEV = 3.791 LSB
VREF = 2.5V
GAIN = 128, N = 1024
RATE = 10Sps
STD DEV = 8.757 LSB
VREF = 2.5V
GAIN = 2, N = 1024
RATE = 80Sps
STD DEV = 3.831 LSB
VREF = 2.5V
-10
-10
-5
OUTPUT CODE (LSB)
OUTPUT CODE (LSB)
OUTPUT CODE (LSB)
-5
-5
0
0
0
5
10
5
5
15
September 9, 2011
10
20
10
25
FN6954.1
15
30
15