
Maxim Integrated Products 8
MAX11101
14-Bit, +5V, 200ksps ADC with 10A Shutdown
Pin Configurations
Pin Description
PIN
NAME
FUNCTION
WLP
MAX
A1, B2
6
REF
External Reference Voltage Input. Sets the analog voltage range. Bypass to AGND with a 4.7FF
capacitor.
A2
7
AVDD
Analog +5V Supply Voltage. Bypass to AGND with a 0.1FF capacitor.
A3, B1,
C2
4, 8
AGND
Analog Ground
A4
10
SCLK
Serial Clock Input. SCLK drives the conversion process and clocks out data at data rates up to
4.8MHz.
B3
2
DGND
Digital Ground
B4
9
CS
Active Low Chip Select Input. Forcing CS high places the MAX11101 in shutdown with a typical
current of 0.1FA. A high-to-low transition on CS activates normal operating mode and initiates a
conversion.
C1
5
AIN
Analog Input
C3
3
DVDD
Digital Supply Voltage. Bypass to DGND with a 0.1FF capacitor.
C4
1
DOUT
Serial Data Output. Data changes state on SCLK’s falling edge. DOUT is high impedance when
CS is high.
MAX11101
TOP VIEW
+
MAX
2
DGND
1
DOUT
DVDD
3
AGND
AIN
CS
SCLK
AGND
AVDD
REF
4
5
9
10
8
7
6
TOP VIEW
(BUMP SIDE DOWN)
WLP
+
1
2
34
A
B
C
DOUT
AIN
CS
AGND
SCLK
REF
AGND
DVDD
REFDGND
AVDD
AGND