Electrical characteristics—max5157 – Rainbow Electronics MAX5157 User Manual
Page 4
MAX5156/MAX5157
Low-Power, Dual, 12-Bit Voltage-Output DACs
with Configurable Outputs
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS—MAX5157
(V
DD
= +2.7V to +3.6V, V
REFA
= V
REFB
= 1.25V, R
L
= 10k
Ω
, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A
= +25°C, output buffer connected in unity-gain configuration (Figure 9).)
V
IN
= 0V to V
DD
CL, PDL, CS, DIN, SCLK
CL, PDL, CS, DIN, SCLK
Input code = 1FFE hex,
V
REF
= 1Vp-p at 1.25V
DC
, f = 15kHz
Input code = 0000 hex,
V
REF
= (V
DD
- 1.4V) at 1kHz
2.7V
≤
V
DD
≤
3.6V
Input code = 1FFE hex,
V
REF(AC)
= 0.67Vp-p at 1.25V
DC
Normalized to 1.25V
(Note 5)
Guaranteed monotonic
Code = 20
Minimum with code 1554 hex
Normalized to 1.25V
CONDITIONS
pF
8
C
IN
Input Capacitance
µA
0
±0.1
I
IN
Input Leakage Current
mV
200
V
HYS
Input Hysteresis
V
0.8
V
IL
Input Low Voltage
V
2.2
V
IH
Input High Voltage
dB
73
SINAD
Signal-to-Noise plus Distortion
Ratio
dB
-92
Reference Feedthrough
kHz
600
Reference 3dB Bandwidth
k
Ω
14
20
R
REF
Reference Input Resistance
V
0
V
DD
- 1.4
REF
Reference Input Range
±1
Bits
12
N
Resolution
µV/V
20
320
PSRR
V
DD
Power-Supply Rejection Ratio
ppm/°C
6
Gain-Error Tempco
LSB
-0.5
±4
Gain Error
LSB
±2
INL
Integral Nonlinearity
LSB
±1
DNL
Differential Nonlinearity
mV
±6
V
OS
Offset Error
ppm/°C
6
TCV
OS
Offset Tempco
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
MAX5157A
MAX5157B
I
SINK
= 2mA
I
SOURCE
= 2mA
V
0.13
0.4
V
OL
Output Low Voltage
V
V
DD
- 0.5
V
OH
Output High Voltage
V/µs
0.75
SR
Voltage Output Slew Rate
Rail-to-rail (Note 6)
To 1/2LSB of full-scale, V
STEP
= 1.25V
V
0 to V
DD
Output Voltage Swing
µs
18
Output Settling Time
µs
25
Time Required to Exit Shutdown
µA
0
±0.1
I
FB
Current into FBA or FBB
CS = V
DD
, f
DIN
= 100kHz, V
SCLK
= 3Vp-p
nV-s
5
Digital Feedthrough
nV-s
5
Digital Crosstalk
STATIC PERFORMANCE
REFERENCE INPUT (V
REF
)
MULTIPLYING-MODE PERFORMANCE
DIGITAL INPUTS
DIGITAL OUTPUTS (DOUT, UPO)
DYNAMIC PERFORMANCE