AMC7836_15 Datasheet, PDF (12/87 Pages) Texas Instruments – AMC7836 High-Density, 12-Bit Analog Monitor and Control Solution With Multichannel ADC, Bipolar DACs, Temperature Sensor, and GPIO Ports

AMC7836
SLAS986B – NOVEMBER 2014 – REVISED FEBRUARY 2015
www.ti.com
6.8 Timing Requirements
AV_DD = DV_DD = 4.5 to 5.5 V, AV_CC = 12 V, AV_EE = –12 V, AGND = DGND = AV_SSB = AV_SSC = AV_SSD = 0 V, DAC output range
= 0 to 10 V for all groups, no load on the DACs, T_A = –40°C to 105°C (unless otherwise noted)
MIN
NOM
MAX UNIT
SERIAL INTERFACE⁽¹⁾
ƒ_(SCLK)
SCLK frequency
t_p
SCLK period⁽²⁾
t_PH
SCLK pulse width high⁽²⁾
t_PL
SCLK pulse width low⁽²⁾
t_su
SDI setup⁽²⁾
t_h
t_(ODZ)
t_(OZD)
t_(OD)
SDI hold⁽²⁾
SDO driven to tri-
state ^{(3) (4)}
SDO tri-state to
driven ^{(3) (4)}
SDO output delay⁽³⁾⁽⁴⁾
t_su(CS)
CS setup⁽²⁾
t_h(CS)
CS hold⁽²⁾
t_(IAG)
Inter-access gap⁽²⁾
DIGITAL LOGIC
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
IOV_DD = 1.8 to 2.7 V
IOV_DD = 2.7 to 5.5 V
66.67
50
30
23
30
23
10
10
10
10
0
0
0
0
0
0
5
5
20
20
10
10
15
MHz
20
ns
ns
ns
ns
ns
15
ns
9
23
ns
15
23
ns
15
ns
ns
ns
Reset delay; delay-to-normal operation from reset
100
250
µs
Power-down recovery time
70
µs
Clamp shutdown delay
100
µs
Convert pulse width
20
ns
Reset pulse width
20
ns
ADC WAIT state⁽⁵⁾; the wait time from when the ADC enters the IDLE state
to when the ADC is ready for trigger
2
µs
(1) Specified by design and characterization. Not tested during production.
(2) See Figure 1 and Figure 2.
(3) SDO loaded with 10 pF load capacitance for SDO timing specifications.
(4) See Figure 2.
(5) Specified by design; not subject to production testing. See the ADC Sequencing section for more details.
12
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