CC2541F256RHAR Datasheet, PDF (11/30 Pages) Texas Instruments – 2.4-GHz Bluetooth™ low energy and Proprietary System-on-Chip

CC2541
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SWRS110D – JANUARY 2012 – REVISED JUNE 2013
ADC CHARACTERISTICS
T_A = 25°C and VDD = 3 V
PARAMETER
TEST CONDITIONS
Input voltage
VDD is voltage on AVDD5 pin
External reference voltage
VDD is voltage on AVDD5 pin
External reference voltage differential VDD is voltage on AVDD5 pin
Input resistance, signal
Full-scale signal⁽¹⁾
Simulated using 4-MHz clock speed
Peak-to-peak, defines 0 dBFS
Single-ended input, 7-bit setting
Single-ended input, 9-bit setting
Single-ended input, 10-bit setting
Single-ended input, 12-bit setting
ENOB⁽¹⁾ Effective number of bits
Differential input, 7-bit setting
Differential input, 9-bit setting
Differential input, 10-bit setting
Differential input, 12-bit setting
10-bit setting, clocked by RCOSC
12-bit setting, clocked by RCOSC
THD
Useful power bandwidth
Total harmonic distortion
Signal to nonharmonic ratio
7-bit setting, both single and differential
Single ended input, 12-bit setting, –6 dBFS⁽¹⁾
Differential input, 12-bit setting, –6 dBFS⁽¹⁾
Single-ended input, 12-bit setting⁽¹⁾
Differential input, 12-bit setting⁽¹⁾
Single-ended input, 12-bit setting, –6 dBFS⁽¹⁾
Differential input, 12-bit setting, –6 dBFS⁽¹⁾
CMRR
Common-mode rejection ratio
Differential input, 12-bit setting, 1-kHz sine
(0 dBFS), limited by ADC resolution
Crosstalk
Single ended input, 12-bit setting, 1-kHz sine
(0 dBFS), limited by ADC resolution
Offset
Midscale
DNL
Gain error
Differential nonlinearity
INL
Integral nonlinearity
12-bit setting, mean⁽¹⁾
12-bit setting, maximum⁽¹⁾
12-bit setting, mean⁽¹⁾
12-bit setting, maximum⁽¹⁾
12-bit setting, mean, clocked by RCOSC
SINAD
(–THD+N)
Signal-to-noise-and-distortion
12-bit setting, max, clocked by RCOSC
Single ended input, 7-bit setting⁽¹⁾
Single ended input, 9-bit setting⁽¹⁾
Single ended input, 10-bit setting⁽¹⁾
Single ended input, 12-bit setting⁽¹⁾
Differential input, 7-bit setting⁽¹⁾
Differential input, 9-bit setting⁽¹⁾
Differential input, 10-bit setting⁽¹⁾
Differential input, 12-bit setting⁽¹⁾
7-bit setting
Conversion time
9-bit setting
10-bit setting
12-bit setting
MIN TYP
0
0
0
197
2.97
5.7
7.5
9.3
10.3
6.5
8.3
10
11.5
9.7
10.9
0–20
–75.2
–86.6
70.2
79.3
78.8
88.9
MAX
VDD
VDD
VDD
>84
UNIT
V
V
V
kΩ
V
bits
kHz
dB
dB
dB
>84
dB
–3
mV
0.68%
0.05
LSB
0.9
4.6
13.3
LSB
10
29
35.4
46.8
57.5
66.6
dB
40.7
51.6
61.8
70.8
20
36
μs
68
132
(1) Measured with 300-Hz sine-wave input and VDD as reference.
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