ISL26134AVZ-T7A Intersil, ISL26134AVZ-T7A Datasheet - Page 10

• 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
-120
-160
-200
-100
160
120
100
-40
-80
-50
80
40
10
50
8
6
4
2
0
0
0
-40
0
0
FIGURE 18. ANALOG CURRENT vs TEMPERATURE
GAIN = 128
RATE = 80Sps
GAIN = 64
RATE = 80Sps
FIGURE 16. NOISE AT GAIN = 128, 80Sps
FIGURE 14. NOISE AT GAIN = 64, 80Sps
200
200
-10
NORMAL MODE, PGA = 64.128
NORMAL MODE, PGA = 1, 2
TEMPERATURE (°C)
TIME (SAMPLES)
TIME (SAMPLES)
400
400
20
10
600
600
50
(Continued)
ISL26132, ISL26134
800
800
80
1000
1000
110
10000
1000
100
30
25
20
15
10
10
50
40
30
20
10
FIGURE 17. NOISE HISTOGRAM AT GAIN = 128, 80Sps
5
0
FIGURE 15. NOISE HISTOGRAM AT GAIN = 64, 80Sps
1
0
-80
-40 -35 -30 -25 -20 -15 -10 -5
-40
FIGURE 19. DIGITAL CURRENT vs TEMPERATURE
GAIN = 128, N = 1024
RATE = 80Sps
STD DEV = 23.215 LSB
VREF = 2.5V
GAIN = 64, N = 1024
RATE = 80Sps
STD DEV = 12.15 LSB
VREF = 2.5V
-60
-10
NORMAL MODE, ALL PGA GAINS
-40
OUTPUT CODE (LSB)
OUTPUT CODE (LSB)
POWERDOWN MODE
TEMPERATURE (°C)
-20
20
0
0
5 10 15 20 25 30 35 40
50
20
40
September 9, 2011
80
60
FN6954.1
80
110