MAX11202 Maxim Integrated Products, MAX11202 Datasheet - Page 7

• Manufacturer Part Number: MAX11202
• Description: Delta- Sigma ADC with 2-Wire Serial Interface
• Manufacturer: Maxim Integrated Products

(V
are at T
AVDD
24-Bit, Single-Channel, Ultra-Low-Power, Delta
-100
-120
-140
-10
-20
-40
-60
-80
10
-2
-4
-6
-8
8
6
4
2
0
0
-2.5
A
1
= 3.6V, V
VOLTAGE (MAX11202A/MAX11202B)
INTEGRAL NONLINEARITY vs. INPUT
= +25NC.)
V
V
V
V
-2.0
AVDD
DVDD
REF
IN(CM)
V
DVDD
V
AVDD
= 2.5V
-1.5 -1.0 -0.5 0
10
= 3.0V
= 1.8V
= 1.5V
-100
-120
-140
PSRR vs. FREQUENCY
-20
-40
-60
-80
DVDD
0
INPUT VOLTAGE (V)
T
(MAX11202B)
FREQUENCY (Hz)
A
NORMAL-MODE FREQUENCY RESPONSE
1
_______________________________________________________________________________________
100
= +85°C
Sigma ADC with 2-Wire Serial Interface
= 1.8V, V
0.5 1.0
1k
T
T
A
A
10
(MAX11202B)
= +25°C
= -45°C
FREQUENCY (Hz)
REFP
1.5
10k
2.0
- V
100k
2.5
REFN
100
= AVDD; internal clock; T
-100
-120
-140
-10
-20
-40
-60
-80
Typical Operating Characteristics (continued)
10
-2
-4
-6
-8
8
6
4
2
0
0
-45
1
FULL-SCALE ERROR vs. TEMPERATURE
1k
-25
(MAX11202A/MAX11202B)
(MAX11202A/MAX11202B)
10
CMRR vs. FREQUENCY
-5
TEMPERATURE (°C)
FREQUENCY (Hz)
100
MAX11202A
MAX11202B
+FS ERROR
15
1k
A
35
-FS ERROR
= T
-100
-120
-140
-20
-40
-60
-80
V
NORMAL MODE REJECTION OF 50Hz TO 60Hz
0
REF
55
MIN
10k
40
= 2.5V
to T
75
100k
45
MAX
50
, unless otherwise specified. Typical values
(MAX11202B)
FREQUENCY (Hz)
-100
-120
-140
-100
-120
-140
-20
-40
-60
-80
-20
-40
-60
-80
0
0
55
NORMAL-MODE FREQUENCY RESPONSE
1
1
60
V
V
AVDD
DVDD
10
PSRR vs. FREQUENCY
65
10
(MAX11202A)
FREQUENCY (Hz)
(MAX11202A)
FREQUENCY (Hz)
100
70
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1k
100
10k
100k
1k
7