MAX1205 Datasheet, PDF (6/12 Pages) Maxim Integrated Products – +5v sINGLE-sUPPLY, 1mSPS, 14-bIT sELF-cALIBRATING adc

+5V Single-Supply, 1Msps, 14-Bit
Self-Calibrating ADC
Typical Operating Characteristics (continued)
(AV_DD = +5V ±5%, DV_DD = DRV_DD = +3.3V, V_RFPS = +4.096V, V_RFNS = AGND, V_CM = +2.048V, differential input, f_CLK= 2.048MHz,
calibrated, T_A = +25°C, unless otherwise noted.)
TYPICAL FFT
(f_IN = 504.5kHz, 2048 VALUE RECORD)
-15
-30
-45
-60
-75
-90
-105
-120
-135
0
0
100 200 300 400 500 600
FREQUENCY (kHz)
EFFECTIVE NUMBER OF BITS
vs. INPUT FREQUENCY
14.0
13.5
A_IN = -0.5dBFS
13.0
12.5
A_IN = -6dBFS
12.0
11.5
11.0
10.5
A_IN = -20dBFS
10.0
1
10
100
1000
INPUT FREQUENCY (kHz)
PIN
NAME
1
ST_CAL
2, 4, 5
3, 6
7
8
9
10
11
12
13
14
15
16
17, 28, 29
18
19
20
21
22
23
24
AGND
AV_DD
DOR
D13
D12
D11
D10
D9
D8
D7
D6
DRV_DD
DGND
D5
D4
D3
D2
D1
D0
TEST3
Pin Description
FUNCTION
Digital Input to Start Calibration.
ST_CAL = 0: Normal conversion mode.
ST_CAL = 1: Start self-calibration.
Analog Ground
Analog Power Supply, +5V ±5%
Data Out-of-Range Bit
Bit 13 (MSB)
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Bit 7
Bit 6
Digital Power Supply for the Output Drivers, +3V to +5.25V, DRV_DD ≤ DV_DD
Digital Ground
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (LSB)
Test Pin 3. Leave unconnected.
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