ISL26134AVZ-T7A Intersil, ISL26134AVZ-T7A Datasheet - Page 8

• 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
-10
10
-10
-15
10
-5
-5
20
15
10
-5
5
0
5
0
5
0
0
0
0
GAIN = 2
RATE = 10Sps
GAIN = 64
RATE = 10Sps
GAIN = 1
RATE = 10Sps
FIGURE 6. NOISE AT GAIN = 64, 10Sps
FIGURE 2. NOISE AT GAIN = 1, 10Sps
FIGURE 4. NOISE AT GAIN = 2, 10Sps
200
200
200
TIME (SAMPLES)
TIME (SAMPLES)
TIME (SAMPLES)
400
400
400
8
600
600
600
ISL26132, ISL26134
800
800
800
1000
1000
1000
120
100
300
250
200
150
100
250
200
150
100
80
60
40
20
50
50
0
-20
0
0
FIGURE 7. NOISE HISTOGRAM AT GAIN = 64, 10Sps
FIGURE 3. NOISE HISTOGRAM AT GAIN = 1, 10Sps
FIGURE 5. NOISE HISTOGRAM AT GAIN = 2, 10Sps
-8
-7
GAIN = 64, N = 1024
RATE = 10Sps
STD DEV = 4.627 LSB
VREF = 2.5V
GAIN = 2, N = 1024
RATE = 10Sps
STD DEV = 1.989 LSB
VREF = 2.5V
GAIN = 1, N = 1024
RATE = 10Sps
STD DEV = 1.635 LSB
VREF = 2.5V
-6
-15
-6
-5
-4
-10
-4
-3
OUTPUT CODE (LSB)
OUTPUT CODE (LSB)
OUTPUT CODE (LSB)
-5
-2
-2
-1
0
0
0
1
5
2
2
3
10
4
September 9, 2011
4
15
5
6
FN6954.1
6
20
8
7