ISL26134AVZ-T7A Intersil, ISL26134AVZ-T7A Datasheet - Page 3

• 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

Pin Descriptions
XTALIN/CLOCK
XTALOUT
VREF+
AIN1+
AIN3+
AIN4+
AIN2+
GAIN0
GAIN1
NAME
DVDD
DGND
VREF-
AGND
TEMP
AIN1-
AIN3-
AIN4-
AIN2-
AVDD
CAP
A1
A0
ISL26132
2, 5, 6
9, 10
11
12
13
14
15
16
18
19
20
17
1
3
4
7
8
-
-
-
-
-
3
PIN NUMBER
ISL26134
2, 5, 6
9, 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
3
4
7
8
-
ISL26132, ISL26134
Digital/Digital Input
ANALOG/DIGITAL
INPUT/OUTPUT
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Digital Input
Digital Input
Digital Input
Analog
Analog
Analog
Digital
Digital
Digital
Digital Power Supply (2.7V to 5.25V)
Digital Ground
External Clock Input: typically 4.9152MHz. Tie low to activate
internal oscillator. Can also use external crystal across
XTALIN/CLOCK and XTALOUT pins.
External Crystal connection
On-chip Temperature Diode Enable
PGA Filter Capacitor
Positive Analog Input Channel 1
Negative Analog Input Channel 1
Positive Analog Input Channel 3
Negative Analog Input Channel 3
Negative Analog Input Channel 4
Positive Analog Input Channel 4
Negative Analog Input Channel 2
Positive Analog Input Channel 2
Negative Reference Input
Positive Reference Input
Analog Ground
Analog Power Supply 4.75V to 5.25V
ISL26134
GAIN1
A1
0
0
1
1
0
0
1
1
TABLE 2. INPUT MULTIPLEXER SELECT
TABLE 3. GAIN SELECT
DESCRIPTION
GAIN0
A0
0
1
0
1
0
1
0
1
ISL26132
September 9, 2011
CHANNEL
GAIN
AIN1
AIN2
AIN3
AIN4
128
64
1
2
FN6954.1